Overview
- District ID
- ia-hd-089
- State
- Iowa
- Chamber
- Lower chamber
- District Code
- 089
- Land Area
- 13.5 sq mi
- Water Area
- 0.34 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 | 13.54 sq mi | 100.0% | 2.2% |
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 | 32,071 | 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
- 22,404
- Active Voters
- 16,494 (73.6%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 11,323 | 50.5% |
| Republican | 2,771 | 12.4% |
| Unaffiliated | 8,067 | 36.0% |
| Other parties | 243 | 1.1% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 3,802 (17.0%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 15,729 (70.2%) | 1,517 (6.8%) | 222 (1.0%) |
| 2021–2022 | 10,704 (47.8%) | 2,947 (13.2%) | 382 (1.7%) |
| 2019–2020 | 13,920 (62.1%) | 4,186 (18.7%) | 450 (2.0%) |
| 2017–2018 | 9,324 (41.6%) | 2,820 (12.6%) | 168 (0.7%) |
| 2015–2016 | 8,853 (39.5%) | 1,408 (6.3%) | 66 (0.3%) |
| 2013–2014 | 5,964 (26.6%) | 1,159 (5.2%) | 301 (1.3%) |
| 2011–2012 | 7,030 (31.4%) | 778 (3.5%) | 136 (0.6%) |
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
- 33,512 (± 1,337)
- Median Age
- 26.0
- Median Household Income
- $48,159 (± $3,773)
- High School Graduate or Higher (age 25+)
- 94.6%
- Bachelor's Degree or Higher (age 25+)
- 51.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 5,194 | 15.5% |
| 18 to 64 | 25,150 | 75.0% |
| 65 and over | 3,168 | 9.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,322 | 9.9% |
| White, not Hispanic | 20,993 | 62.6% |
| Black, not Hispanic | 5,125 | 15.3% |
| Asian, not Hispanic | 2,448 | 7.3% |
| American Indian / Alaska Native, not Hispanic | 5 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 277 | 0.8% |
| Two or more races, not Hispanic | 1,342 | 4.0% |
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
- 30,332
- Citizen Voting Age Population (CVAP)
- 25,397
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 27,568 | 90.9% |
| Hispanic | 2,760 | 9.1% |
| White | 21,028 | 69.3% |
| Black | 4,059 | 13.4% |
| Asian | 1,435 | 4.7% |
| American Indian / Alaska Native | 3 | 0.0% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 81 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 23,395 | 92.1% |
| Hispanic | 2,006 | 7.9% |
| White | 18,823 | 74.1% |
| Black | 2,701 | 10.6% |
| Asian | 1,680 | 6.6% |
| American Indian / Alaska Native | 120 | 0.5% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 78 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
