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District map: past elections, early vote and census data
Choose a layer, then select a precinct to see past results and census data for that precinct. GOTV poll results are published as statewide and district totals only.
Choose a layer above. Hover a precinct for its values.
Past results: certified precinct results from the state election office (Iowa Secretary of State, Election Night Reporting), on current precinct shapes. Census: U.S. Census Bureau American Community Survey, ACS 2020-2024 5-year.
Top Line Poll Results LiveIA-03 U.S. House: Sarah Trone Garriott 50.3%, Zach Nunn 48.2% (Garriott +2.1), n = 350350 respondents · MOE ±5.2 pts · weightedExpand to see more
U.S. House (IA-03) #IA03
n = 350, weighted. Undecided 1.6%
Methodology LiveIA-03: 350 respondents · MOE ±5.2 ptsFielding since October 30, 2026 · data as of Nov 3, 2026, 6:59 PM PTExpand to see more
- One poll covers all six races; this methodology is the same on every race page. Respondents and margin of error by race: IA-SEN (#IASEN): 994 respondents, MOE ±3.1 pts; IA-GOV (#IAGOV): 993 respondents, MOE ±3.1 pts; IA-01 (#IA01): 245 respondents, MOE ±6.3 pts; IA-02 (#IA02): 215 respondents, MOE ±6.7 pts; IA-03 (#IA03): 350 respondents, MOE ±5.2 pts; IA-04 (#IA04): 180 respondents, MOE ±7.3 pts.
- Margin of error: plus or minus 3.1 points for the full sample (95% confidence); 3.3 with the design effect from weighting.
- Mode: Text-to-web. Registered Iowa voters, matched to the voter file. Collection has closed.
- Weighting: Weighted to the recalled 2024 presidential vote targets shown on this page (Trump, Harris, other). Region targets are not applied yet because respondents are placed by county only. Unweighted results and respondent counts are shown alongside.
- Official release as of November 4, 2026, 9:12 AM PT.
- Responses are still coming in. Results are published live on the GOTVPolling.com and ResultsPAC.com poll pages, and updated results, crosstabs, methodology and an expanded universe may be published from time to time.
Crosstabs LiveParty registration: Democratic Garriott 95%; Republican Nunn 87%Age: 65+ Garriott 75%; 50-64 Garriott 62%; 35-49 Garriott 79%Expand to see more
U.S. House (IA-03) vote, unweighted, IA-03 respondents. Groups under 30 respondents are not shown.
| Party registration | n | Sarah Trone Garriott | Zach Nunn | Undecided |
|---|---|---|---|---|
| Democratic | 258 | 95.0% | 3.9% | 1.2% |
| Republican | 90 | 12.2% | 86.7% | 1.1% |
| Non-Partisan | n too small | |||
| Age | n | Sarah Trone Garriott | Zach Nunn | Undecided |
|---|---|---|---|---|
| 65+ | 248 | 75.4% | 23.4% | 1.2% |
| 50-64 | 58 | 62.1% | 37.9% | 0.0% |
| 35-49 | 42 | 78.6% | 19.0% | 2.4% |
| 18-34 | n too small | |||
| Sex | n | Sarah Trone Garriott | Zach Nunn | Undecided |
|---|---|---|---|---|
| Men | 178 | 66.3% | 32.0% | 1.7% |
| Women | 172 | 81.4% | 18.0% | 0.6% |
Graphics downloads for IA-03 #IA03
- IA-03 U.S. House: PNG 1200x675 · PNG 1080x1080 · SVG
- House margin by district (map): PNG 1200x675 · PNG 1080x1080 · SVG
- Governor by district: PNG 1200x675 · PNG 1080x1080 · SVG
- Senate by district: PNG 1200x675 · PNG 1080x1080 · SVG
Poll results
Respondents (completed): 354. Last updated: Nov 3, 8:17 AM PT. Reload the page for the latest numbers while responses come in.
Toplines are weighted; unweighted shares and respondent counts are shown with each question. Margin of error for the full sample: plus or minus 5.2 points (unweighted, 95% confidence). Crosstab groups with fewer than 30 respondents are not shown.
U.S. House vote
Weighted shares among completed respondents who answered. n = 350.
Unweighted: Sarah Trone Garriott 73.7%, Zach Nunn 25.1%, Undecided 1.1%.
Crosstabs (unweighted)
| Party registration | n | Sarah Trone Garriott | Zach Nunn | Undecided |
|---|---|---|---|---|
| Democratic | 258 | 95.0% | 3.9% | 1.2% |
| Republican | 90 | 12.2% | 86.7% | 1.1% |
| Non-Partisan | n too small | |||
| Age | n | Sarah Trone Garriott | Zach Nunn | Undecided |
|---|---|---|---|---|
| 65+ | 248 | 75.4% | 23.4% | 1.2% |
| 50-64 | 58 | 62.1% | 37.9% | 0.0% |
| 35-49 | 42 | 78.6% | 19.0% | 2.4% |
| 18-34 | n too small | |||
| Sex | n | Sarah Trone Garriott | Zach Nunn | Undecided |
|---|---|---|---|---|
| Men | 178 | 66.3% | 32.0% | 1.7% |
| Women | 172 | 81.4% | 18.0% | 0.6% |
| Ethnicity | n | Sarah Trone Garriott | Zach Nunn | Undecided |
|---|---|---|---|---|
| European | 298 | 74.5% | 24.2% | 1.3% |
| Not on file | 40 | 70.0% | 30.0% | 0.0% |
| Hispanic and Portuguese | n too small | |||
| East and South Asian | n too small | |||
| Other | n too small | |||
| Likely African-American | n too small | |||
Weighting: Weighted to the recalled 2024 presidential vote targets shown on this page (Trump, Harris, other). Region targets are not applied yet because respondents are placed by county only. Unweighted results and respondent counts are shown alongside.
Candidates on the ballot
- Sarah Trone Garriott (D)
- Zachary Nunn (R)
Past results in this area
Areas
| Area | Weighting cell | Weighting share | 2024 President R two-party | 2024 U.S. House R two-party | 2022 Governor R two-party | 2020 President R two-party | Spanish at home (adults) |
|---|---|---|---|---|---|---|---|
| Polk County: most Democratic third of precincts | C1 | 20.2% | 31.3% | 30.6% | 31.0% | 29.7% | 6.3% |
| Polk County: middle third of precincts | C1 | 20.0% | 45.5% | 45.8% | 48.6% | 44.2% | 6.3% |
| Polk County: most Republican third of precincts | C2 | 20.0% | 54.4% | 54.4% | 56.1% | 51.8% | 6.3% |
| Dallas County: most Democratic third of precincts | C1 | 4.8% | 45.1% | 46.1% | 48.9% | 45.9% | 4.8% |
| Dallas County: middle third of precincts | C2 | 4.5% | 50.6% | 51.6% | 53.9% | 48.9% | 4.8% |
| Dallas County: most Republican third of precincts | C2 | 4.6% | 61.9% | 62.2% | 64.8% | 61.0% | 4.8% |
| Other counties: most Democratic third | C2 | 8.5% | 66.3% | 64.8% | 68.9% | 67.8% | 4.8% |
| Other counties: middle third | C2 | 8.5% | 70.3% | 70.1% | 74.4% | 68.0% | 1.9% |
| Other counties: most Republican third | C2 | 8.9% | 75.1% | 72.8% | 77.4% | 72.5% | 2.1% |
Areas are counties; large counties are split into thirds of precincts by 2024 presidential lean, and small counties are pooled. Past results are certified results. Spanish at home is the county figure (within this district for House races) from the ACS 2020-2024 5-year estimates, so the three thirds of one county show the same value.
Weighting cells
- C1: Polk County: most Democratic third of precincts; Polk County: middle third of precincts; Dallas County: most Democratic third of precincts
- C2: Polk County: most Republican third of precincts; Dallas County: middle third of precincts; Dallas County: most Republican third of precincts; Other counties: most Democratic third; Other counties: middle third; Other counties: most Republican third
Weighting targets
| Variable | Category | Target |
|---|---|---|
| Region | Polk County: most Democratic third of precincts | 20.2% |
| Region | Polk County: middle third of precincts | 20.0% |
| Region | Polk County: most Republican third of precincts | 20.0% |
| Region | Dallas County: most Democratic third of precincts | 4.8% |
| Region | Dallas County: middle third of precincts | 4.5% |
| Region | Dallas County: most Republican third of precincts | 4.6% |
| Region | Other counties: most Democratic third | 8.5% |
| Region | Other counties: middle third | 8.5% |
| Region | Other counties: most Republican third | 8.9% |
| Recalled 2024 vote | Trump | 51.0% |
| Recalled 2024 vote | Harris | 47.3% |
| Recalled 2024 vote | Other | 1.7% |
| Age x gender (adults) | M_18_29 | 10.3% |
| Age x gender (adults) | M_30_44 | 14.1% |
| Age x gender (adults) | M_45_64 | 15.8% |
| Age x gender (adults) | M_65p | 9.3% |
| Age x gender (adults) | F_18_29 | 9.9% |
| Age x gender (adults) | F_30_44 | 13.6% |
| Age x gender (adults) | F_45_64 | 15.6% |
| Age x gender (adults) | F_65p | 11.4% |
ZIP code key
Show 186 ZIP codes and their areas
| ZIP | Area | Also in |
|---|---|---|
| 50002 | Other counties: most Democratic third | S09 48% |
| 50003 | Dallas County: most Republican third of precincts | S05 20% |
| 50007 | Polk County: most Republican third of precincts | |
| 50008 | Other counties: most Democratic third | S02 28% |
| 50009 | Polk County: most Republican third of precincts | S02 16%; S01 7% |
| 50020 | Other counties: middle third | S09 10% |
| 50021 | Polk County: most Republican third of precincts | S02 28% |
| 50022 | Other counties: middle third | |
| 50023 | Polk County: most Republican third of precincts | S02 19% |
| 50025 | Other counties: most Democratic third | |
| 50026 | Other counties: most Democratic third | |
| 50029 | Other counties: most Democratic third | |
| 50032 | Polk County: most Republican third of precincts | |
| 50033 | Other counties: middle third | |
| 50035 | Polk County: most Republican third of precincts | S01 5% |
| 50038 | Dallas County: middle third of precincts | S06 20% |
| 50039 | Dallas County: most Republican third of precincts | |
| 50042 | Other counties: middle third | |
| 50044 | Other counties: most Republican third | |
| 50047 | Polk County: middle third of precincts | S03 43% |
| 50048 | Other counties: most Democratic third | S09 46% |
| 50049 | Other counties: most Republican third | |
| 50050 | Other counties: most Democratic third | |
| 50052 | Other counties: most Democratic third | S02 27% |
| 50058 | Other counties: most Democratic third | |
| 50060 | Other counties: most Democratic third | S02 37%; S01 7% |
| 50061 | Dallas County: middle third of precincts | S08 32%; S02 24% |
| 50063 | Dallas County: most Republican third of precincts | |
| 50064 | Other counties: most Democratic third | |
| 50065 | Other counties: most Republican third | |
| 50066 | Dallas County: most Republican third of precincts | |
| 50067 | Other counties: most Republican third | |
| 50068 | Other counties: most Republican third | S07 17%; S01 7% |
| 50069 | Dallas County: most Republican third of precincts | |
| 50070 | Other counties: most Democratic third | S08 31%; S06 24%; S09 9% |
| 50072 | Other counties: middle third | S06 30% |
| 50073 | Polk County: most Republican third of precincts | |
| 50074 | Other counties: most Republican third | S07 11% |
| 50076 | Other counties: most Democratic third | |
| 50103 | Other counties: most Republican third | |
| 50107 | Other counties: most Democratic third | |
| 50108 | Other counties: most Republican third | S08 10% |
| 50109 | Polk County: most Republican third of precincts | S06 36% |
| 50111 | Polk County: most Republican third of precincts | S02 18% |
| 50115 | Other counties: most Democratic third | |
| 50123 | Other counties: most Democratic third | S01 26%; S09 7% |
| 50128 | Other counties: most Democratic third | S06 11% |
| 50129 | Other counties: most Democratic third | |
| 50131 | Polk County: middle third of precincts | S01 13%; S03 5% |
| 50133 | Other counties: most Republican third | |
| 50139 | Other counties: most Republican third | |
| 50140 | Other counties: most Republican third | |
| 50144 | Other counties: most Republican third | |
| 50146 | Other counties: most Democratic third | S06 48% |
| 50147 | Other counties: most Democratic third | S02 23%; S09 16% |
| 50149 | Other counties: middle third | S07 45% |
| 50150 | Other counties: most Republican third | |
| 50151 | Other counties: most Republican third | |
| 50155 | Other counties: middle third | S09 10% |
| 50156 | Dallas County: most Republican third of precincts | |
| 50164 | Other counties: most Democratic third | S09 24% |
| 50165 | Other counties: most Democratic third | S01 29% |
| 50167 | Dallas County: most Republican third of precincts | |
| 50174 | Other counties: middle third | S07 7% |
| 50210 | Other counties: middle third | |
| 50211 | Other counties: middle third | |
| 50213 | Other counties: middle third | |
| 50216 | Other counties: most Democratic third | |
| 50217 | Other counties: most Democratic third | |
| 50218 | Other counties: middle third | |
| 50220 | Dallas County: most Democratic third of precincts | S05 27%; S06 14% |
| 50222 | Other counties: middle third | |
| 50226 | Polk County: most Republican third of precincts | |
| 50229 | Other counties: middle third | |
| 50233 | Dallas County: most Republican third of precincts | S07 30% |
| 50235 | Other counties: most Democratic third | |
| 50237 | Polk County: most Republican third of precincts | |
| 50238 | Other counties: most Republican third | S07 29%; S01 7% |
| 50240 | Other counties: middle third | |
| 50250 | Other counties: most Democratic third | S09 27% |
| 50254 | Other counties: most Democratic third | |
| 50257 | Other counties: middle third | |
| 50261 | Dallas County: most Republican third of precincts | S08 33%; S05 16% |
| 50262 | Other counties: most Republican third | |
| 50263 | Dallas County: middle third of precincts | S04 25% |
| 50264 | Other counties: middle third | S09 48% |
| 50265 | Polk County: middle third of precincts | S01 41% |
| 50266 | Dallas County: most Democratic third of precincts | S02 21%; S01 14%; S05 6% |
| 50272 | Other counties: most Republican third | |
| 50273 | Other counties: middle third | |
| 50274 | Other counties: middle third | |
| 50275 | Other counties: middle third | S09 6% |
| 50276 | Dallas County: most Republican third of precincts | |
| 50277 | Other counties: most Democratic third | S06 10% |
| 50309 | Polk County: most Democratic third of precincts | |
| 50310 | Polk County: most Democratic third of precincts | |
| 50311 | Polk County: most Democratic third of precincts | |
| 50312 | Polk County: most Democratic third of precincts | |
| 50313 | Polk County: most Democratic third of precincts | S03 42%; S02 14% |
| 50314 | Polk County: most Democratic third of precincts | |
| 50315 | Polk County: most Democratic third of precincts | S02 42% |
| 50316 | Polk County: most Democratic third of precincts | |
| 50317 | Polk County: middle third of precincts | S03 42%; S01 7% |
| 50319 | Polk County: most Democratic third of precincts | |
| 50320 | Polk County: middle third of precincts | S01 38% |
| 50321 | Polk County: most Democratic third of precincts | S02 21% |
| 50322 | Polk County: middle third of precincts | S01 21% |
| 50323 | Dallas County: most Republican third of precincts | S05 25%; S02 23%; S04 15%; S01 7% |
| 50324 | Polk County: most Democratic third of precincts | |
| 50325 | Polk County: middle third of precincts | S04 31%; S06 18% |
| 50327 | Polk County: most Republican third of precincts | |
| 50801 | Other counties: most Democratic third | S09 7% |
| 50830 | Other counties: most Democratic third | |
| 50833 | Other counties: most Republican third | |
| 50835 | Other counties: most Republican third | |
| 50836 | Other counties: most Republican third | |
| 50837 | Other counties: most Republican third | S08 7% |
| 50839 | Other counties: most Republican third | |
| 50840 | Other counties: most Republican third | |
| 50841 | Other counties: most Republican third | |
| 50842 | Other counties: most Democratic third | |
| 50843 | Other counties: middle third | |
| 50845 | Other counties: most Republican third | S07 22% |
| 50846 | Other counties: most Republican third | |
| 50848 | Other counties: most Republican third | |
| 50849 | Other counties: most Republican third | |
| 50851 | Other counties: most Republican third | S07 32% |
| 50853 | Other counties: middle third | |
| 50854 | Other counties: most Republican third | |
| 50857 | Other counties: most Republican third | |
| 50858 | Other counties: most Republican third | |
| 50859 | Other counties: most Republican third | |
| 50860 | Other counties: most Republican third | |
| 50861 | Other counties: most Democratic third | S09 28% |
| 50862 | Other counties: most Republican third | |
| 50863 | Other counties: most Republican third | |
| 50864 | Other counties: middle third | S09 10% |
| 51453 | Other counties: most Democratic third | |
| 51462 | Other counties: most Democratic third | |
| 51532 | Other counties: middle third | |
| 51533 | Other counties: middle third | |
| 51535 | Other counties: middle third | |
| 51541 | Other counties: middle third | |
| 51544 | Other counties: middle third | |
| 51552 | Other counties: middle third | |
| 51566 | Other counties: middle third | |
| 51573 | Other counties: middle third | |
| 51577 | Other counties: middle third | |
| 51601 | Other counties: middle third | |
| 51630 | Other counties: middle third | |
| 51631 | Other counties: middle third | |
| 51632 | Other counties: middle third | |
| 51636 | Other counties: middle third | |
| 51637 | Other counties: middle third | |
| 51638 | Other counties: middle third | |
| 51645 | Other counties: middle third | |
| 51646 | Other counties: most Republican third | |
| 51656 | Other counties: middle third | |
| 52501 | Other counties: most Democratic third | |
| 52530 | Other counties: most Democratic third | |
| 52531 | Other counties: most Republican third | |
| 52533 | Other counties: most Democratic third | |
| 52536 | Other counties: most Democratic third | S09 20% |
| 52537 | Other counties: most Republican third | S07 8% |
| 52544 | Other counties: most Republican third | |
| 52549 | Other counties: most Republican third | |
| 52551 | Other counties: most Republican third | |
| 52552 | Other counties: most Republican third | S07 12% |
| 52553 | Other counties: most Republican third | |
| 52554 | Other counties: most Democratic third | S09 45% |
| 52555 | Other counties: most Republican third | |
| 52560 | Other counties: most Republican third | |
| 52563 | Other counties: most Democratic third | |
| 52569 | Other counties: most Republican third | S07 15%; S03 5% |
| 52570 | Other counties: most Republican third | |
| 52571 | Other counties: most Republican third | |
| 52572 | Other counties: most Republican third | |
| 52574 | Other counties: most Republican third | |
| 52581 | Other counties: most Republican third | S07 9% |
| 52583 | Other counties: most Democratic third | S03 25% |
| 52584 | Other counties: most Republican third | |
| 52588 | Other counties: most Republican third | |
| 52590 | Other counties: most Democratic third | S03 22%; S09 8% |
| 52593 | Other counties: most Republican third | |
| 52594 | Other counties: most Republican third | |
| 63565 | Other counties: most Republican third |
Respondents give a ZIP code, which places each response in an area. No names or addresses are collected.
Voting history of respondents: U.S. House IA-03 (#IA03)
Aggregate results only. Groups under 30 respondents are held back. All respondents are high-turnout voters who voted in each of the last four general elections.
Sample: 332 completed respondents answered the U.S. House IA-03 question (published topline n). Margin of error plus or minus 6.3 points at 95% confidence (including the weighting design effect). Weighted to recalled 2024 presidential vote, the same method as the published toplines. Voting history comes from the voter file record matched to each respondent (335 of 335 matched). All numbers are polling aggregates. Any group with fewer than 30 respondents is held back. Subgroup margins of error are larger than the topline.
Published topline: Sarah Trone Garriott 49.7%, Zach Nunn 48.6%, Undecided 1.7%.
Who answered: voting history profile
- Every respondent voted in the 2018, 2020, 2022 and 2024 general elections (all of the last four). These are high-turnout voters, not all registered voters, so these results describe the most reliable part of the electorate.
- New vs habitual: voters who did not vote in the 2016 general (newer voters) number under 30 and are held back; everyone else is a long-run habitual voter. A new-voter comparison is not possible from this sample.
Primary participation, 2018 to 2026 (of 5):
| Group | Respondents | Share |
|---|---|---|
| All 5 primaries | 215 | 64% |
| 4 of 5 primaries | 83 | 25% |
| 2 or 3 of 5 primaries | 37 | 11% |
2024 general, how they voted:
| Group | Respondents | Share |
|---|---|---|
| Early, 2+ weeks out | 80 | 24% |
| Early, final 2 weeks | 164 | 49% |
| Election Day (no early record) | 91 | 27% |
Voter-file vote frequency score:
| Group | Respondents | Share |
|---|---|---|
| Vote frequency 8 (highest) | 215 | 64% |
| Vote frequency 7 | 83 | 25% |
| Vote frequency 5 to 6 | 37 | 11% |
Support by voting history
Primary history:
| Group | n | Sarah Trone Garriott | Zach Nunn | Undecided |
|---|---|---|---|---|
| All 5 primaries | 214 | 65.5% | 31.4% | 3.0% |
| 4 of 5 primaries | 83 | 33.9% | 66.1% | 0.0% |
| 2 or 3 of 5 primaries | 35 | 22.1% | 77.9% | 0.0% |
2024 voting method:
| Group | n | Sarah Trone Garriott | Zach Nunn | Undecided |
|---|---|---|---|---|
| Early, 2+ weeks out | 80 | 60.8% | 39.2% | 0.0% |
| Early, final 2 weeks | 162 | 50.6% | 46.7% | 2.6% |
| Election Day (no early record) | 90 | 39.8% | 58.8% | 1.3% |
Vote frequency score:
| Group | n | Sarah Trone Garriott | Zach Nunn | Undecided |
|---|---|---|---|---|
| Vote frequency 8 (highest) | 214 | 65.5% | 31.4% | 3.0% |
| Vote frequency 7 | 83 | 33.9% | 66.1% | 0.0% |
| Vote frequency 5 to 6 | 35 | 22.1% | 77.9% | 0.0% |
Party registration by primary history:
| Group | n | Sarah Trone Garriott | Zach Nunn | Undecided |
|---|---|---|---|---|
| Republican, all 5 primaries | 32 | 11.9% | 87.0% | 1.1% |
| Republican, fewer than 5 primaries | 54 | 3.2% | 96.8% | 0.0% |
| Democratic, all 5 primaries | 180 | 90.4% | 5.6% | 4.0% |
| Democratic, fewer than 5 primaries | 64 | 88.6% | 11.4% | 0.0% |
| Other / no party, all 5 primaries | under 30 | held back | held back | held back |
What it means
- Margin among voters in all 5 primaries: Trone Garriott +34.1; among those in 2 or 3 of 5: Nunn +55.8.
- Margin among voters who voted early 2+ weeks out in 2024: Trone Garriott +21.6; among Election Day voters: Nunn +19.0.
- Within each party support barely moves (Republicans 87% and 97% Nunn, Democrats 90% and 89% Trone Garriott), so the gap is mostly party mix.
- Because every respondent is a high-turnout voter, read differences between voting-history groups as differences within the most reliable part of the electorate, not as a turnout model.
- Party and primary history overlap strongly; differences by history group are largely party composition.
Caveats
- Held back (under 30): Other / no party, all 5 primaries.
- Early-vote timing is from the voter file's 2024 record, not a 2026 early-vote measure.
Race profile: Iowa's 3rd Congressional District
U.S. House · Iowa · District 3 · General election: Tuesday, November 3, 2026
Candidates on the November 3 ballot
Zachary NunnRepublicanIncumbentPhoto: U.S. Congress
Sarah Trone GarriottDemocraticPhoto: sarahforiowa.com
Source: Certified November 3, 2026 general-election ballot list (GOTV Polling 2026 Battlegrounds file, compiled from state certified candidate lists). Write-in candidates are not shown.. Order of names does not reflect ballot order. Incumbent tags appear only where the official list marks incumbents. Photos come from the Candidate Alerts database where one is on file; otherwise initials are shown.
Federal campaign finance filings for this seat: FEC election page (FEC registration is not the same as ballot qualification).
Certified candidates
- Zachary Nunn RepublicanIncumbent @ZachNunn
- Sarah Trone Garriott Democratic @SarahforIowa Website
Certified candidate list from Candidate Alerts, as of 2026-09-24, based on Iowa Secretary of State. Includes candidates the database marks as on the November 3 ballot. Incumbent tags here follow the database.
Past election results
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Zach Nunn | Republican | 213,746 | 51.8% |
| Lanon Baccam | Democratic | 197,962 | 47.9% |
| Write-in | 1,197 | 0.3% | |
| Total | 412,905 |
Source: Iowa Secretary of State, Election Night Reporting / Precinct Results by County (electionresults.iowa.gov). Status: Certified, Iowa county canvass results as published by the Iowa Secretary of State (Clarity ENR final county uploads; county totals reconcile exactly to the State Board of Canvassers canvass summary)
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Zach Nunn | Republican | 156,262 | 50.3% |
| Cindy Axne | Democratic | 154,117 | 49.6% |
| Write-in | 534 | 0.2% | |
| Total | 310,913 |
Source: Iowa Secretary of State, Election Night Reporting / Precinct Results by County (electionresults.iowa.gov). Status: Certified, Iowa county canvass results as published by the Iowa Secretary of State (Clarity ENR final county uploads; county totals reconcile exactly to the State Board of Canvassers canvass summary)
Held under the district lines in effect at the time. Those boundaries differ from the 2026 district.
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Cindy Axne | Democratic | 219,205 | 48.9% |
| David Young | Republican | 212,997 | 47.5% |
| Bryan Jack Holder | Libertarian | 15,361 | 3.4% |
| Write-in | 384 | 0.1% | |
| Total | 447,947 |
Source: Iowa Secretary of State, Election Night Reporting / Precinct Results by County (electionresults.iowa.gov). Status: Certified, Iowa county canvass results as published by the Iowa Secretary of State (Clarity ENR final county uploads; county totals reconcile exactly to the State Board of Canvassers canvass summary)
Certified results from state or county election authorities, as compiled in the Candidate Alerts precinct results database (public API candidatealerts.com/api/district-results). Totals are sums of certified precinct and county-level rows.
Demographics
2020 Census demographics by district are not yet published in this data set.
0 of 387 precincts are above 50%, and 8 are above 25%. Source: Census American Community Survey 2020-2024 5-year block groups, allocated to current precinct shapes by area.
Early vote layer: 2026 general (IA-03, counties in district)
Unofficial. Source: civicAPI and Call the Map (callthemap.com/early-vote), republishing Iowa Secretary of State counts. Official data: sos.iowa.gov.
Data as of October 30, 2026. 100,647 early ballots cast in the 21 counties touching this district: D 50.6%, R 30.6%, No Party / Other 18.8% by registration (D+20.0). Party is registration, not vote. Early vote is published by county only; counties split by the district are counted in full, so this is approximate. Full Iowa early vote page.
Shading: registered Democrats minus registered Republicans among early ballots cast (mail returned plus in person), by county. County shapes: U.S. Census Bureau cartographic boundary file cb_2023_us_county_20m.
Early vote by county (21)
| County | Mail requested | Mail returned | Return rate | In person | Total cast | D / Other / R share of cast |
|---|---|---|---|---|---|---|
| Polk | 26,477 | 22,976 | 86.8% | 39,922 | 62,898 | 58.0% / 19.0% / 23.0% |
| Dallas | 7,411 | 6,311 | 85.2% | 8,503 | 14,814 | 44.1% / 21.6% / 34.3% |
| Wapello | 1,213 | 1,092 | 90.0% | 2,160 | 3,252 | 47.3% / 16.3% / 36.4% |
| Madison | 718 | 586 | 81.6% | 1,717 | 2,303 | 32.8% / 19.1% / 48.1% |
| Union | 701 | 629 | 89.7% | 909 | 1,538 | 36.5% / 17.9% / 45.6% |
| Cass | 486 | 397 | 81.7% | 1,074 | 1,471 | 30.1% / 16.7% / 53.2% |
| Page | 707 | 612 | 86.6% | 850 | 1,462 | 26.3% / 13.1% / 60.5% |
| Guthrie | 627 | 523 | 83.4% | 922 | 1,445 | 31.2% / 18.7% / 50.1% |
| Appanoose | 700 | 609 | 87.0% | 830 | 1,439 | 36.9% / 14.8% / 48.3% |
| Greene | 326 | 287 | 88.0% | 1,004 | 1,291 | 36.3% / 19.7% / 44.1% |
| Lucas | 339 | 306 | 90.3% | 738 | 1,044 | 30.8% / 20.0% / 49.1% |
| Monroe | 304 | 257 | 84.5% | 729 | 986 | 35.0% / 17.0% / 48.0% |
| Montgomery | 480 | 406 | 84.6% | 560 | 966 | 32.3% / 11.8% / 55.9% |
| Clarke | 317 | 279 | 88.0% | 685 | 964 | 38.3% / 17.7% / 44.0% |
| Adair | 302 | 266 | 88.1% | 658 | 924 | 27.8% / 18.7% / 53.5% |
| Davis | 309 | 261 | 84.5% | 548 | 809 | 36.7% / 10.9% / 52.4% |
| Decatur | 259 | 220 | 84.9% | 502 | 722 | 33.9% / 16.1% / 50.0% |
| Ringgold | 244 | 209 | 85.7% | 435 | 644 | 29.3% / 11.3% / 59.3% |
| Wayne | 235 | 206 | 87.7% | 417 | 623 | 29.7% / 14.4% / 55.9% |
| Taylor | 276 | 236 | 85.5% | 299 | 535 | 21.1% / 14.6% / 64.3% |
| Adams | 168 | 149 | 88.7% | 368 | 517 | 28.4% / 19.3% / 52.2% |
Nonpartisan voter information. GOTV Polling does not endorse any candidate.



