Overview
- District ID
- ia-hd-057
- State
- Iowa
- Chamber
- Lower chamber
- District Code
- 057
- Land Area
- 724.8 sq mi
- Water Area
- 3.6 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
Places
Showing all 14 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 2 | 31,918 | 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
- 22,353
- Active Voters
- 19,850 (88.8%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 4,484 | 20.1% |
| Republican | 9,208 | 41.2% |
| Unaffiliated | 8,525 | 38.1% |
| Other parties | 136 | 0.6% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 5,020 (22.5%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 18,240 (81.6%) | 296 (1.3%) | 649 (2.9%) |
| 2021–2022 | 13,776 (61.6%) | 1,245 (5.6%) | 2,329 (10.4%) |
| 2019–2020 | 16,923 (75.7%) | 2,096 (9.4%) | 2,614 (11.7%) |
| 2017–2018 | 12,676 (56.7%) | 1,176 (5.3%) | 1,208 (5.4%) |
| 2015–2016 | 14,241 (63.7%) | 724 (3.2%) | 814 (3.6%) |
| 2013–2014 | 10,354 (46.3%) | 360 (1.6%) | 1,516 (6.8%) |
| 2011–2012 | 12,563 (56.2%) | 268 (1.2%) | 1,731 (7.7%) |
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
- 31,749 (± 401)
- Median Age
- 39.9
- Median Household Income
- $83,743 (± $3,358)
- High School Graduate or Higher (age 25+)
- 95.2%
- Bachelor's Degree or Higher (age 25+)
- 31.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 7,121 | 22.4% |
| 18 to 64 | 18,093 | 57.0% |
| 65 and over | 6,535 | 20.6% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 717 | 2.3% |
| White, not Hispanic | 29,513 | 93.0% |
| Black, not Hispanic | 280 | 0.9% |
| Asian, not Hispanic | 401 | 1.3% |
| American Indian / Alaska Native, not Hispanic | 6 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 3 | 0.0% |
| Some other race, not Hispanic | 147 | 0.5% |
| Two or more races, not Hispanic | 682 | 2.1% |
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
- 31,475
- Citizen Voting Age Population (CVAP)
- 24,364
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 30,794 | 97.8% |
| Hispanic | 679 | 2.2% |
| White | 29,728 | 94.4% |
| Black | 330 | 1.0% |
| Asian | 242 | 0.8% |
| American Indian / Alaska Native | 5 | 0.0% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 111 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 23,943 | 98.3% |
| Hispanic | 413 | 1.7% |
| White | 23,184 | 95.2% |
| Black | 329 | 1.4% |
| Asian | 248 | 1.0% |
| American Indian / Alaska Native | 105 | 0.4% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 75 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
