Overview
- District ID
- ia-hd-038
- State
- Iowa
- Chamber
- Lower chamber
- District Code
- 038
- Land Area
- 545.7 sq mi
- Water Area
- 2.24 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 |
|---|
| Jasper County | 545.72 sq mi | 100.0% | 74.7% |
Showing all 1 county
Places
Showing all 12 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 | 31,898 | 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
- 20,994
- Active Voters
- 17,773 (84.7%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 5,617 | 26.8% |
| Republican | 7,959 | 37.9% |
| Unaffiliated | 7,261 | 34.6% |
| Other parties | 157 | 0.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 2,537 (12.1%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 16,689 (79.5%) | 512 (2.4%) | 1,720 (8.2%) |
| 2021–2022 | 12,194 (58.1%) | 1,564 (7.4%) | 2,088 (9.9%) |
| 2019–2020 | 15,421 (73.5%) | 2,412 (11.5%) | 1,722 (8.2%) |
| 2017–2018 | 11,477 (54.7%) | 1,640 (7.8%) | 947 (4.5%) |
| 2015–2016 | 12,951 (61.7%) | 1,694 (8.1%) | 467 (2.2%) |
| 2013–2014 | 9,534 (45.4%) | 353 (1.7%) | 1,165 (5.5%) |
| 2011–2012 | 11,685 (55.7%) | 397 (1.9%) | 524 (2.5%) |
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
- 32,170 (± 456)
- Median Age
- 41.9
- Median Household Income
- $68,486 (± $3,756)
- High School Graduate or Higher (age 25+)
- 93.3%
- Bachelor's Degree or Higher (age 25+)
- 19.7%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 6,925 | 21.5% |
| 18 to 64 | 18,801 | 58.4% |
| 65 and over | 6,444 | 20.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,126 | 3.5% |
| White, not Hispanic | 28,863 | 89.7% |
| Black, not Hispanic | 552 | 1.7% |
| Asian, not Hispanic | 230 | 0.7% |
| American Indian / Alaska Native, not Hispanic | 21 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 65 | 0.2% |
| Some other race, not Hispanic | 12 | 0.0% |
| Two or more races, not Hispanic | 1,301 | 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
- 31,340
- Citizen Voting Age Population (CVAP)
- 24,699
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 30,457 | 97.2% |
| Hispanic | 877 | 2.8% |
| White | 29,326 | 93.6% |
| Black | 517 | 1.6% |
| Asian | 104 | 0.3% |
| American Indian / Alaska Native | 21 | 0.1% |
| Native Hawaiian / Pacific Islander | 66 | 0.2% |
| Two or More Races | 3 | 0.0% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 24,161 | 97.8% |
| Hispanic | 534 | 2.2% |
| White | 23,253 | 94.1% |
| Black | 578 | 2.3% |
| Asian | 91 | 0.4% |
| American Indian / Alaska Native | 169 | 0.7% |
| Native Hawaiian / Pacific Islander | 64 | 0.3% |
| Two or More Races | 4 | 0.0% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
