Overview
- District ID
- ia-hd-013
- State
- Iowa
- Chamber
- Lower chamber
- District Code
- 013
- Land Area
- 2,071.7 sq mi
- Water Area
- 7.73 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 4 counties
Places
Showing top 25 of 33 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 4 | 31,807 | 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
- 22,183
- Active Voters
- 19,526 (88.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 3,483 | 15.7% |
| Republican | 12,004 | 54.1% |
| Unaffiliated | 6,540 | 29.5% |
| Other parties | 156 | 0.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 5,012 (22.6%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 18,031 (81.3%) | 237 (1.1%) | 2,611 (11.8%) |
| 2021–2022 | 12,888 (58.1%) | 575 (2.6%) | 2,806 (12.6%) |
| 2019–2020 | 16,602 (74.8%) | 1,365 (6.2%) | 4,191 (18.9%) |
| 2017–2018 | 12,434 (56.1%) | 705 (3.2%) | 1,459 (6.6%) |
| 2015–2016 | 13,969 (63.0%) | 414 (1.9%) | 1,944 (8.8%) |
| 2013–2014 | 10,153 (45.8%) | 241 (1.1%) | 1,759 (7.9%) |
| 2011–2012 | 12,441 (56.1%) | 271 (1.2%) | 1,208 (5.4%) |
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
- 31,617 (± 761)
- Median Age
- 43.9
- Median Household Income
- $83,027 (± $3,126)
- High School Graduate or Higher (age 25+)
- 94.0%
- Bachelor's Degree or Higher (age 25+)
- 21.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 7,397 | 23.4% |
| 18 to 64 | 16,812 | 53.2% |
| 65 and over | 7,408 | 23.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 945 | 3.0% |
| White, not Hispanic | 29,273 | 92.6% |
| Black, not Hispanic | 147 | 0.5% |
| Asian, not Hispanic | 150 | 0.5% |
| American Indian / Alaska Native, not Hispanic | 126 | 0.4% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 29 | 0.1% |
| Two or more races, not Hispanic | 947 | 3.0% |
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
- 31,488
- Citizen Voting Age Population (CVAP)
- 24,098
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 30,565 | 97.1% |
| Hispanic | 917 | 2.9% |
| White | 29,412 | 93.4% |
| Black | 145 | 0.5% |
| Asian | 124 | 0.4% |
| American Indian / Alaska Native | 125 | 0.4% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 39 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 23,650 | 98.1% |
| Hispanic | 446 | 1.9% |
| White | 23,050 | 95.7% |
| Black | 187 | 0.8% |
| Asian | 142 | 0.6% |
| American Indian / Alaska Native | 271 | 1.1% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 15 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
