Overview
- District ID
- ia-sd-002
- State
- Iowa
- Chamber
- Upper chamber (state senate)
- District Code
- 002
- Land Area
- 1,767.5 sq mi
- Water Area
- 1.4 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 3 counties
Places
Showing top 25 of 28 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 | 63,661 | 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
- 42,427
- Active Voters
- 37,233 (87.8%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 4,068 | 9.6% |
| Republican | 28,688 | 67.6% |
| Unaffiliated | 9,469 | 22.3% |
| Other parties | 202 | 0.5% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 8,227 (19.4%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 34,087 (80.3%) | 158 (0.4%) | 7,399 (17.4%) |
| 2021–2022 | 24,423 (57.6%) | 626 (1.5%) | 6,644 (15.7%) |
| 2019–2020 | 31,007 (73.1%) | 1,390 (3.3%) | 12,520 (29.5%) |
| 2017–2018 | 23,039 (54.3%) | 669 (1.6%) | 5,418 (12.8%) |
| 2015–2016 | 25,837 (60.9%) | 219 (0.5%) | 5,614 (13.2%) |
| 2013–2014 | 18,336 (43.2%) | 111 (0.3%) | 4,654 (11.0%) |
| 2011–2012 | 22,675 (53.4%) | 117 (0.3%) | 3,456 (8.1%) |
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
- 64,195 (± 525)
- Median Age
- 36.3
- Median Household Income
- $81,213 (± $3,301)
- High School Graduate or Higher (age 25+)
- 92.7%
- Bachelor's Degree or Higher (age 25+)
- 26.3%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 17,211 | 26.8% |
| 18 to 64 | 35,776 | 55.7% |
| 65 and over | 11,208 | 17.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 7,029 | 10.9% |
| White, not Hispanic | 54,746 | 85.3% |
| Black, not Hispanic | 847 | 1.3% |
| Asian, not Hispanic | 290 | 0.5% |
| American Indian / Alaska Native, not Hispanic | 98 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 122 | 0.2% |
| Some other race, not Hispanic | 123 | 0.2% |
| Two or more races, not Hispanic | 940 | 1.5% |
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
- 61,618
- Citizen Voting Age Population (CVAP)
- 44,731
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 56,718 | 92.0% |
| Hispanic | 4,897 | 7.9% |
| White | 54,863 | 89.0% |
| Black | 709 | 1.2% |
| Asian | 206 | 0.3% |
| American Indian / Alaska Native | 100 | 0.2% |
| Native Hawaiian / Pacific Islander | 70 | 0.1% |
| Two or More Races | 98 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 42,613 | 95.3% |
| Hispanic | 2,121 | 4.7% |
| White | 41,534 | 92.9% |
| Black | 547 | 1.2% |
| Asian | 271 | 0.6% |
| American Indian / Alaska Native | 239 | 0.5% |
| Native Hawaiian / Pacific Islander | 7 | 0.0% |
| Two or More Races | 14 | 0.0% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
