Iowa's 3rd Congressional District
Iowa · Latest: 2024
Competitive — flipped 6 times in 25 elections
Race & ancestry
| Group | % |
|---|---|
▶White (Non-Hispanic)(13) | 78.2% |
▶Hispanic / Latino(17) | 8.7% |
▶Black / African American(12) | 5.3% |
▶Asian(6) | 3.9% |
▶Middle Eastern / North African(9) | 0.5% |
▶Native American / Alaska Native(1) | 0.3% |
Multiracial / Other | 3.7% |
Key demographics
| Metric | Value |
|---|---|
| Median household income | $81K |
| Bachelor's or higher | 36.7% |
| English only at home | 81.9% |
| Other language at home | 11.8% |
| Foreign-born | 8.4% |
Presidential results
| Year | Result |
|---|---|
| 2024 | R+4.1 |
| 2020 | D+0.2 |
| 2016 | R+3.3 |
| 2012 | D+5.1 |
| 2008 | D+6.8 |
Iowa's 3rd Congressional District is a congressional district that has a population of 816,359. In the 2024 presidential election, it voted Republican with a margin of R+4.1. Akashic Edge tracks 5 presidential elections here, dating back to 2008.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 47.2% | 51.3% | R+4.1 | R+4.3 |
| 2020 | 49.1% | 49.0% | D+0.2 | D+3.4 |
| 2016 | 44.6% | 47.9% | R+3.3 | R+8.4 |
| 2012 | 52.6% | 47.4% | D+5.1 | R+1.6 |
| 2008 | 52.2% | 45.5% | D+6.8 | — |
What defines IA-03?
IA-03 is a competitive, slightly Republican-leaning urban geography with a R+4.1 margin in 2024. It shifted 4.3pp toward Republicans between 2020 and 2024. Its 816K residents are highly educated (37% hold a bachelor's degree).
District in State Context
Precinct Deep Dive
2024 / 2020 precinct vintages
See how each split precinct fragment inside IA-03 voted, swung, and lines up demographically.
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Key Insights
High-confidence patterns distilled from this geography's election history.
- Has flipped parties 3 times since 2008
- All recent elections decided by less than 5 points — highly competitive
Who Lives Here
A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
| Group | IA-03 | State | National |
|---|---|---|---|
▶White (Non-Hispanic)(13) | 78.2% | 82.3% | 57.4% |
▶Hispanic / Latino(17) | 8.7% | 7.3% | 19.3% |
▶Black / African American(12) | 5.3% | 3.9% | 12.2% |
▶Asian(6) | 3.9% | 2.5% | 6.0% |
Multiracial / Other | 3.7% | 3.5% | 4.0% |
▶Middle Eastern / North African(9) | 0.5% | — | 0.9% |
▶Native American / Alaska Native(1) | 0.3% | 0.4% | 0.9% |
Method notes
Demographics
Read this geography's profile in three layers: local, state (where available), and national baseline.
Population & electorate
Scale, voting-age share, and this geography's footprint inside the national electorate.
Total population
816K
Share of U.S. population
0.24%
Voting-age population
73.9%
Economic profile
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Median household income
$80,844
Poverty rate
10.3%
College degree
36.7%
Homeownership
69.3%
Community profile
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Median age
37.3 yrs
Age 18–29
15.3%
Age 65+
15.7%
Foreign born
8.4%
Non-English at home
12.6%
English only
87.4%
How competitive is IA-03?
Tilt RAvg margin: R+2.4 (last 3 elections)
2008
D+6.8
2012
D+5.1
2016
R+3.3
2020
D+0.2
2024
R+4.1
10.9pp
3
D+0.9
Do voters in IA-03 split their tickets?
Divergence between offices in the same election reveals persuadable voters.
Moderate splitting (67/100)
| Offices | Margin A | Margin B | Split |
|---|---|---|---|
| President vs House | R+4.1 | R+3.8 | 0.3pp |
Max divergence: 13.8pp|Avg divergence: 6.7pp
Other Iowa Districts
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