Overview
- District ID
- ia-hd-045
- State
- Iowa
- Chamber
- Lower chamber
- District Code
- 045
- Land Area
- 321.7 sq mi
- Water Area
- 12.8 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Polk County | 320.87 sq mi | 99.8% | 56.0% |
Showing all 1 county
Places
Showing all 9 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| IA District 3 | 31,630 | 100.0% | 4.0% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 24,856
- Active Voters
- 22,473 (90.4%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 5,651 | 22.7% |
| Republican | 9,969 | 40.1% |
| Unaffiliated | 9,000 | 36.2% |
| Other parties | 236 | 0.9% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 4,890 (19.7%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 21,001 (84.5%) | 611 (2.5%) | 683 (2.7%) |
| 2021–2022 | 15,989 (64.3%) | 1,535 (6.2%) | 2,320 (9.3%) |
| 2019–2020 | 19,283 (77.6%) | 2,366 (9.5%) | 2,002 (8.1%) |
| 2017–2018 | 14,706 (59.2%) | 1,528 (6.1%) | 718 (2.9%) |
| 2015–2016 | 16,231 (65.3%) | 572 (2.3%) | 464 (1.9%) |
| 2013–2014 | 11,017 (44.3%) | 167 (0.7%) | 1,492 (6.0%) |
| 2011–2012 | 14,487 (58.3%) | 112 (0.5%) | 798 (3.2%) |
Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 01/20/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 33,847 (± 851)
- Median Age
- 39.3
- Median Household Income
- $129,264 (± $9,859)
- High School Graduate or Higher (age 25+)
- 97.1%
- Bachelor's Degree or Higher (age 25+)
- 43.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 9,041 | 26.7% |
| 18 to 64 | 19,805 | 58.5% |
| 65 and over | 5,001 | 14.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,208 | 3.6% |
| White, not Hispanic | 30,968 | 91.5% |
| Black, not Hispanic | 663 | 2.0% |
| Asian, not Hispanic | 179 | 0.5% |
| American Indian / Alaska Native, not Hispanic | 16 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 7 | 0.0% |
| Two or more races, not Hispanic | 806 | 2.4% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 33,658
- Citizen Voting Age Population (CVAP)
- 24,617
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 32,499 | 96.6% |
| Hispanic | 1,167 | 3.5% |
| White | 31,269 | 92.9% |
| Black | 561 | 1.7% |
| Asian | 175 | 0.5% |
| American Indian / Alaska Native | 17 | 0.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 41 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 24,039 | 97.7% |
| Hispanic | 581 | 2.4% |
| White | 23,368 | 94.9% |
| Black | 386 | 1.6% |
| Asian | 160 | 0.6% |
| American Indian / Alaska Native | 86 | 0.3% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 37 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
