Overview
- District ID
- ia-sd-007
- State
- Iowa
- Chamber
- Upper chamber (state senate)
- District Code
- 007
- Land Area
- 2,160.6 sq mi
- Water Area
- 9.86 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 35 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 | 63,700 | 100.0% | 8.0% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 42,761
- Active Voters
- 36,352 (85.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 8,171 | 19.1% |
| Republican | 20,773 | 48.6% |
| Unaffiliated | 13,475 | 31.5% |
| Other parties | 342 | 0.8% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 10,360 (24.2%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 33,326 (77.9%) | 592 (1.4%) | 3,943 (9.2%) |
| 2021–2022 | 23,101 (54.0%) | 1,396 (3.3%) | 5,003 (11.7%) |
| 2019–2020 | 30,890 (72.2%) | 3,073 (7.2%) | 7,834 (18.3%) |
| 2017–2018 | 22,834 (53.4%) | 1,826 (4.3%) | 2,726 (6.4%) |
| 2015–2016 | 25,553 (59.8%) | 861 (2.0%) | 3,696 (8.6%) |
| 2013–2014 | 17,836 (41.7%) | 647 (1.5%) | 3,255 (7.6%) |
| 2011–2012 | 22,797 (53.3%) | 563 (1.3%) | 2,631 (6.2%) |
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
- 63,066 (± 1,397)
- Median Age
- 40.9
- Median Household Income
- $82,757 (± $3,054)
- High School Graduate or Higher (age 25+)
- 93.6%
- Bachelor's Degree or Higher (age 25+)
- 25.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 15,445 | 24.5% |
| 18 to 64 | 35,012 | 55.5% |
| 65 and over | 12,609 | 20.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,817 | 6.1% |
| White, not Hispanic | 53,412 | 84.7% |
| Black, not Hispanic | 1,868 | 3.0% |
| Asian, not Hispanic | 1,004 | 1.6% |
| American Indian / Alaska Native, not Hispanic | 464 | 0.7% |
| Native Hawaiian / Pacific Islander, not Hispanic | 148 | 0.2% |
| Some other race, not Hispanic | 43 | 0.1% |
| Two or more races, not Hispanic | 2,310 | 3.7% |
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
- 61,711
- Citizen Voting Age Population (CVAP)
- 46,338
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 58,440 | 94.7% |
| Hispanic | 3,267 | 5.3% |
| White | 53,847 | 87.3% |
| Black | 1,756 | 2.8% |
| Asian | 579 | 0.9% |
| American Indian / Alaska Native | 464 | 0.8% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 77 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 44,692 | 96.4% |
| Hispanic | 1,656 | 3.6% |
| White | 41,886 | 90.4% |
| Black | 1,385 | 3.0% |
| Asian | 740 | 1.6% |
| American Indian / Alaska Native | 672 | 1.5% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 59 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
