Overview
- District ID
- ia-sd-011
- State
- Iowa
- Chamber
- Upper chamber (state senate)
- District Code
- 011
- Land Area
- 732.8 sq mi
- Water Area
- 10.9 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
Places
Showing all 17 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 1 | 63,559 | 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
- 47,884
- Active Voters
- 41,754 (87.2%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 11,721 | 24.5% |
| Republican | 19,123 | 39.9% |
| Unaffiliated | 16,601 | 34.7% |
| Other parties | 439 | 0.9% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 8,084 (16.9%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 38,675 (80.8%) | 1,390 (2.9%) | 3,965 (8.3%) |
| 2021–2022 | 28,511 (59.5%) | 3,087 (6.4%) | 4,441 (9.3%) |
| 2019–2020 | 36,048 (75.3%) | 5,337 (11.1%) | 4,833 (10.1%) |
| 2017–2018 | 27,130 (56.7%) | 3,610 (7.5%) | 2,492 (5.2%) |
| 2015–2016 | 29,328 (61.2%) | 1,495 (3.1%) | 1,055 (2.2%) |
| 2013–2014 | 20,855 (43.6%) | 635 (1.3%) | 2,633 (5.5%) |
| 2011–2012 | 25,993 (54.3%) | 1,201 (2.5%) | 2,664 (5.6%) |
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
- 65,297 (± 471)
- Median Age
- 39.2
- Median Household Income
- $91,286 (± $3,604)
- High School Graduate or Higher (age 25+)
- 96.2%
- Bachelor's Degree or Higher (age 25+)
- 32.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 15,611 | 23.9% |
| 18 to 64 | 38,338 | 58.7% |
| 65 and over | 11,348 | 17.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 2,224 | 3.4% |
| White, not Hispanic | 60,138 | 92.1% |
| Black, not Hispanic | 424 | 0.6% |
| Asian, not Hispanic | 553 | 0.8% |
| American Indian / Alaska Native, not Hispanic | 33 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 8 | 0.0% |
| Some other race, not Hispanic | 90 | 0.1% |
| Two or more races, not Hispanic | 1,827 | 2.8% |
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
- 64,889
- Citizen Voting Age Population (CVAP)
- 49,278
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 62,920 | 97.0% |
| Hispanic | 1,967 | 3.0% |
| White | 60,558 | 93.3% |
| Black | 442 | 0.7% |
| Asian | 442 | 0.7% |
| American Indian / Alaska Native | 31 | 0.0% |
| Native Hawaiian / Pacific Islander | 9 | 0.0% |
| Two or More Races | 125 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 48,107 | 97.6% |
| Hispanic | 1,165 | 2.4% |
| White | 46,645 | 94.7% |
| Black | 634 | 1.3% |
| Asian | 518 | 1.1% |
| American Indian / Alaska Native | 222 | 0.5% |
| Native Hawaiian / Pacific Islander | 6 | 0.0% |
| Two or More Races | 87 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
