Overview
- District ID
- ia-sd-030
- State
- Iowa
- Chamber
- Upper chamber (state senate)
- District Code
- 030
- Land Area
- 1,519.9 sq mi
- Water Area
- 9.09 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 36 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 2 | 63,993 | 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
- 43,765
- Active Voters
- 37,186 (85.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 10,785 | 24.6% |
| Republican | 16,054 | 36.7% |
| Unaffiliated | 16,573 | 37.9% |
| Other parties | 353 | 0.8% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 8,689 (19.9%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 34,355 (78.5%) | 1,012 (2.3%) | 4,855 (11.1%) |
| 2021–2022 | 25,299 (57.8%) | 2,418 (5.5%) | 4,787 (10.9%) |
| 2019–2020 | 32,477 (74.2%) | 4,276 (9.8%) | 3,839 (8.8%) |
| 2017–2018 | 24,868 (56.8%) | 1,812 (4.1%) | 1,243 (2.8%) |
| 2015–2016 | 27,382 (62.6%) | 959 (2.2%) | 1,380 (3.2%) |
| 2013–2014 | 20,079 (45.9%) | 802 (1.8%) | 2,101 (4.8%) |
| 2011–2012 | 25,117 (57.4%) | 884 (2.0%) | 1,500 (3.4%) |
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
- 63,598 (± 289)
- Median Age
- 43.6
- Median Household Income
- $69,373 (± $2,198)
- High School Graduate or Higher (age 25+)
- 94.4%
- Bachelor's Degree or Higher (age 25+)
- 23.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 13,595 | 21.4% |
| 18 to 64 | 35,286 | 55.5% |
| 65 and over | 14,717 | 23.1% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,078 | 4.8% |
| White, not Hispanic | 57,150 | 89.9% |
| Black, not Hispanic | 970 | 1.5% |
| Asian, not Hispanic | 596 | 0.9% |
| American Indian / Alaska Native, not Hispanic | 116 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 267 | 0.4% |
| Some other race, not Hispanic | 18 | 0.0% |
| Two or more races, not Hispanic | 1,403 | 2.2% |
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
- 62,790
- Citizen Voting Age Population (CVAP)
- 49,232
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 60,034 | 95.6% |
| Hispanic | 2,755 | 4.4% |
| White | 57,470 | 91.5% |
| Black | 935 | 1.5% |
| Asian | 397 | 0.6% |
| American Indian / Alaska Native | 117 | 0.2% |
| Native Hawaiian / Pacific Islander | 73 | 0.1% |
| Two or More Races | 43 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 47,504 | 96.5% |
| Hispanic | 1,730 | 3.5% |
| White | 45,945 | 93.3% |
| Black | 936 | 1.9% |
| Asian | 369 | 0.7% |
| American Indian / Alaska Native | 284 | 0.6% |
| Native Hawaiian / Pacific Islander | 6 | 0.0% |
| Two or More Races | 16 | 0.0% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
