Overview
- District ID
- ia-hd-086
- State
- Iowa
- Chamber
- Lower chamber
- District Code
- 086
- Land Area
- 17.6 sq mi
- Water Area
- 0.22 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 | 17.61 sq mi | 100.0% | 2.9% |
Showing all 1 county
Places
Showing all 2 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 | 32,070 | 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
- 23,720
- Active Voters
- 19,099 (80.5%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 11,121 | 46.9% |
| Republican | 3,594 | 15.2% |
| Unaffiliated | 8,801 | 37.1% |
| Other parties | 204 | 0.9% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 5,313 (22.4%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 17,697 (74.6%) | 1,211 (5.1%) | 372 (1.6%) |
| 2021–2022 | 12,669 (53.4%) | 2,950 (12.4%) | 621 (2.6%) |
| 2019–2020 | 15,928 (67.2%) | 4,783 (20.2%) | 788 (3.3%) |
| 2017–2018 | 11,510 (48.5%) | 3,409 (14.4%) | 286 (1.2%) |
| 2015–2016 | 11,311 (47.7%) | 1,320 (5.6%) | 141 (0.6%) |
| 2013–2014 | 7,967 (33.6%) | 1,075 (4.5%) | 543 (2.3%) |
| 2011–2012 | 9,355 (39.4%) | 787 (3.3%) | 294 (1.2%) |
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
- 32,697 (± 856)
- Median Age
- 33.5
- Median Household Income
- $73,074 (± $5,480)
- High School Graduate or Higher (age 25+)
- 95.4%
- Bachelor's Degree or Higher (age 25+)
- 61.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 6,623 | 20.3% |
| 18 to 64 | 21,901 | 67.0% |
| 65 and over | 4,173 | 12.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,937 | 5.9% |
| White, not Hispanic | 21,989 | 67.3% |
| Black, not Hispanic | 3,472 | 10.6% |
| Asian, not Hispanic | 3,386 | 10.4% |
| American Indian / Alaska Native, not Hispanic | 66 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 19 | 0.1% |
| Some other race, not Hispanic | 99 | 0.3% |
| Two or more races, not Hispanic | 1,729 | 5.3% |
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
- 30,334
- Citizen Voting Age Population (CVAP)
- 23,878
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 28,527 | 94.0% |
| Hispanic | 1,810 | 6.0% |
| White | 22,087 | 72.8% |
| Black | 2,873 | 9.5% |
| Asian | 2,141 | 7.1% |
| American Indian / Alaska Native | 69 | 0.2% |
| Native Hawaiian / Pacific Islander | 19 | 0.1% |
| Two or More Races | 163 | 0.5% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 22,686 | 95.0% |
| Hispanic | 1,189 | 5.0% |
| White | 18,495 | 77.5% |
| Black | 2,149 | 9.0% |
| Asian | 1,699 | 7.1% |
| American Indian / Alaska Native | 250 | 1.0% |
| Native Hawaiian / Pacific Islander | 18 | 0.1% |
| Two or More Races | 110 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).