Overview
- District ID
- ia-hd-085
- State
- Iowa
- Chamber
- Lower chamber
- District Code
- 085
- Land Area
- 112.5 sq mi
- Water Area
- 3.46 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Johnson County | 112.49 sq mi | 100.0% | 18.4% |
Showing all 1 county
Places
Showing all 3 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 | 32,115 | 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
- 23,951
- Active Voters
- 20,762 (86.7%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 9,464 | 39.5% |
| Republican | 5,223 | 21.8% |
| Unaffiliated | 9,043 | 37.8% |
| Other parties | 221 | 0.9% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 4,005 (16.7%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 19,350 (80.8%) | 1,145 (4.8%) | 489 (2.0%) |
| 2021–2022 | 14,549 (60.7%) | 2,579 (10.8%) | 873 (3.6%) |
| 2019–2020 | 18,026 (75.3%) | 4,652 (19.4%) | 1,131 (4.7%) |
| 2017–2018 | 13,490 (56.3%) | 2,757 (11.5%) | 299 (1.2%) |
| 2015–2016 | 14,142 (59.0%) | 1,246 (5.2%) | 194 (0.8%) |
| 2013–2014 | 9,696 (40.5%) | 1,022 (4.3%) | 595 (2.5%) |
| 2011–2012 | 12,279 (51.3%) | 769 (3.2%) | 328 (1.4%) |
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
- 32,370 (± 835)
- Median Age
- 35.5
- Median Household Income
- $106,345 (± $8,345)
- High School Graduate or Higher (age 25+)
- 98.7%
- Bachelor's Degree or Higher (age 25+)
- 55.8%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 8,326 | 25.7% |
| 18 to 64 | 20,073 | 62.0% |
| 65 and over | 3,971 | 12.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,603 | 5.0% |
| White, not Hispanic | 26,923 | 83.2% |
| Black, not Hispanic | 1,208 | 3.7% |
| Asian, not Hispanic | 1,042 | 3.2% |
| American Indian / Alaska Native, not Hispanic | 6 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 12 | 0.0% |
| Some other race, not Hispanic | 80 | 0.2% |
| Two or more races, not Hispanic | 1,496 | 4.6% |
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
- 31,647
- Citizen Voting Age Population (CVAP)
- 23,344
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 30,262 | 95.6% |
| Hispanic | 1,385 | 4.4% |
| White | 26,795 | 84.7% |
| Black | 1,175 | 3.7% |
| Asian | 894 | 2.8% |
| American Indian / Alaska Native | 3 | 0.0% |
| Native Hawaiian / Pacific Islander | 13 | 0.0% |
| Two or More Races | 180 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 22,434 | 96.1% |
| Hispanic | 907 | 3.9% |
| White | 20,266 | 86.8% |
| Black | 908 | 3.9% |
| Asian | 1,062 | 4.5% |
| American Indian / Alaska Native | 95 | 0.4% |
| Native Hawaiian / Pacific Islander | 3 | 0.0% |
| Two or More Races | 108 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
