Overview
- District ID
- ia-hd-007
- State
- Iowa
- Chamber
- Lower chamber
- District Code
- 007
- Land Area
- 2,061.8 sq mi
- Water Area
- 7.28 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 37 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 | 31,944 | 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
- 21,383
- Active Voters
- 18,701 (87.5%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 3,192 | 14.9% |
| Republican | 11,212 | 52.4% |
| Unaffiliated | 6,827 | 31.9% |
| Other parties | 152 | 0.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 6,866 (32.1%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 17,031 (79.6%) | 214 (1.0%) | 2,686 (12.6%) |
| 2021–2022 | 12,721 (59.5%) | 737 (3.4%) | 2,572 (12.0%) |
| 2019–2020 | 15,929 (74.5%) | 1,414 (6.6%) | 4,300 (20.1%) |
| 2017–2018 | 12,076 (56.5%) | 863 (4.0%) | 1,669 (7.8%) |
| 2015–2016 | 13,608 (63.6%) | 430 (2.0%) | 2,008 (9.4%) |
| 2013–2014 | 9,867 (46.1%) | 204 (1.0%) | 1,177 (5.5%) |
| 2011–2012 | 12,061 (56.4%) | 179 (0.8%) | 1,052 (4.9%) |
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
- 31,660 (± 347)
- Median Age
- 43.9
- Median Household Income
- $70,291 (± $3,009)
- High School Graduate or Higher (age 25+)
- 92.8%
- Bachelor's Degree or Higher (age 25+)
- 21.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 7,069 | 22.3% |
| 18 to 64 | 17,139 | 54.1% |
| 65 and over | 7,452 | 23.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,169 | 3.7% |
| White, not Hispanic | 28,965 | 91.5% |
| Black, not Hispanic | 258 | 0.8% |
| Asian, not Hispanic | 88 | 0.3% |
| American Indian / Alaska Native, not Hispanic | 35 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 72 | 0.2% |
| Some other race, not Hispanic | 72 | 0.2% |
| Two or more races, not Hispanic | 1,001 | 3.2% |
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
- 31,286
- Citizen Voting Age Population (CVAP)
- 24,278
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 30,371 | 97.1% |
| Hispanic | 920 | 2.9% |
| White | 29,267 | 93.5% |
| Black | 261 | 0.8% |
| Asian | 69 | 0.2% |
| American Indian / Alaska Native | 35 | 0.1% |
| Native Hawaiian / Pacific Islander | 16 | 0.1% |
| Two or More Races | 50 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 23,787 | 98.0% |
| Hispanic | 487 | 2.0% |
| White | 23,025 | 94.8% |
| Black | 384 | 1.6% |
| Asian | 94 | 0.4% |
| American Indian / Alaska Native | 262 | 1.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 30 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
