Overview
- District ID
- ia-hd-099
- State
- Iowa
- Chamber
- Lower chamber
- District Code
- 099
- Land Area
- 200.5 sq mi
- Water Area
- 8.5 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 7 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 | 32,064 | 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
- 20,781
- Active Voters
- 16,849 (81.1%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 6,630 | 31.9% |
| Republican | 6,062 | 29.2% |
| Unaffiliated | 7,862 | 37.8% |
| Other parties | 227 | 1.1% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 3,222 (15.5%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 15,088 (72.6%) | 243 (1.2%) | 567 (2.7%) |
| 2021–2022 | 10,239 (49.3%) | 1,160 (5.6%) | 1,289 (6.2%) |
| 2019–2020 | 14,174 (68.2%) | 2,802 (13.5%) | 1,832 (8.8%) |
| 2017–2018 | 10,013 (48.2%) | 1,374 (6.6%) | 546 (2.6%) |
| 2015–2016 | 11,596 (55.8%) | 612 (2.9%) | 184 (0.9%) |
| 2013–2014 | 7,816 (37.6%) | 563 (2.7%) | 594 (2.9%) |
| 2011–2012 | 10,653 (51.3%) | 750 (3.6%) | 407 (2.0%) |
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
- 31,927 (± 491)
- Median Age
- 42.5
- Median Household Income
- $61,519 (± $3,429)
- High School Graduate or Higher (age 25+)
- 94.5%
- Bachelor's Degree or Higher (age 25+)
- 23.8%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 6,978 | 21.9% |
| 18 to 64 | 18,143 | 56.8% |
| 65 and over | 6,806 | 21.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,288 | 4.0% |
| White, not Hispanic | 26,613 | 83.4% |
| Black, not Hispanic | 1,776 | 5.6% |
| Asian, not Hispanic | 398 | 1.2% |
| American Indian / Alaska Native, not Hispanic | 89 | 0.3% |
| Native Hawaiian / Pacific Islander, not Hispanic | 1 | 0.0% |
| Some other race, not Hispanic | 67 | 0.2% |
| Two or more races, not Hispanic | 1,695 | 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
- 31,389
- Citizen Voting Age Population (CVAP)
- 24,478
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 30,220 | 96.3% |
| Hispanic | 1,167 | 3.7% |
| White | 26,966 | 85.9% |
| Black | 1,765 | 5.6% |
| Asian | 93 | 0.3% |
| American Indian / Alaska Native | 89 | 0.3% |
| Native Hawaiian / Pacific Islander | 5 | 0.0% |
| Two or More Races | 190 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 23,756 | 97.1% |
| Hispanic | 720 | 2.9% |
| White | 21,800 | 89.1% |
| Black | 1,563 | 6.4% |
| Asian | 106 | 0.4% |
| American Indian / Alaska Native | 201 | 0.8% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 84 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
