Overview
- District ID
- ia-sd-023
- State
- Iowa
- Chamber
- Upper chamber (state senate)
- District Code
- 023
- Land Area
- 463.1 sq mi
- Water Area
- 13.5 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 | 331.99 sq mi | 71.7% | 58.0% |
| Dallas County | 130.33 sq mi | 28.1% | 22.2% |
Showing all 2 counties
Places
Showing all 13 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 | 63,308 | 100.0% | 7.9% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 50,042
- Active Voters
- 44,687 (89.3%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 11,937 | 23.9% |
| Republican | 18,987 | 37.9% |
| Unaffiliated | 18,669 | 37.3% |
| Other parties | 449 | 0.9% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 9,981 (19.9%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 41,629 (83.2%) | 1,273 (2.5%) | 1,247 (2.5%) |
| 2021–2022 | 31,053 (62.1%) | 3,033 (6.1%) | 4,211 (8.4%) |
| 2019–2020 | 38,045 (76.0%) | 4,907 (9.8%) | 3,790 (7.6%) |
| 2017–2018 | 28,635 (57.2%) | 2,974 (5.9%) | 1,236 (2.5%) |
| 2015–2016 | 31,296 (62.5%) | 1,098 (2.2%) | 895 (1.8%) |
| 2013–2014 | 20,724 (41.4%) | 298 (0.6%) | 2,788 (5.6%) |
| 2011–2012 | 27,793 (55.5%) | 224 (0.4%) | 1,382 (2.8%) |
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
- 66,747 (± 994)
- Median Age
- 37.5
- Median Household Income
- $130,362 (± $6,954)
- High School Graduate or Higher (age 25+)
- 97.7%
- Bachelor's Degree or Higher (age 25+)
- 47.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 18,931 | 28.4% |
| 18 to 64 | 39,911 | 59.8% |
| 65 and over | 7,905 | 11.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 2,722 | 4.1% |
| White, not Hispanic | 58,695 | 87.9% |
| Black, not Hispanic | 1,939 | 2.9% |
| Asian, not Hispanic | 1,447 | 2.2% |
| American Indian / Alaska Native, not Hispanic | 18 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 55 | 0.1% |
| Two or more races, not Hispanic | 1,871 | 2.8% |
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
- 65,135
- Citizen Voting Age Population (CVAP)
- 46,464
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 62,615 | 96.1% |
| Hispanic | 2,522 | 3.9% |
| White | 59,434 | 91.2% |
| Black | 1,098 | 1.7% |
| Asian | 984 | 1.5% |
| American Indian / Alaska Native | 21 | 0.0% |
| 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 | 45,035 | 96.9% |
| Hispanic | 1,428 | 3.1% |
| White | 43,102 | 92.8% |
| Black | 1,025 | 2.2% |
| Asian | 704 | 1.5% |
| American Indian / Alaska Native | 195 | 0.4% |
| Native Hawaiian / Pacific Islander | 4 | 0.0% |
| Two or More Races | 35 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
