Overview
- District ID
- ia-sd-019
- State
- Iowa
- Chamber
- Upper chamber (state senate)
- District Code
- 019
- Land Area
- 1,325.6 sq mi
- Water Area
- 12.8 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 3 counties
Places
Showing all 24 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 | 63,733 | 100.0% | 8.0% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 44,539
- Active Voters
- 38,466 (86.4%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 9,327 | 20.9% |
| Republican | 20,051 | 45.0% |
| Unaffiliated | 14,844 | 33.3% |
| Other parties | 317 | 0.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 7,228 (16.2%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 35,851 (80.5%) | 762 (1.7%) | 3,637 (8.2%) |
| 2021–2022 | 26,814 (60.2%) | 2,519 (5.7%) | 5,878 (13.2%) |
| 2019–2020 | 33,122 (74.4%) | 4,019 (9.0%) | 5,156 (11.6%) |
| 2017–2018 | 24,862 (55.8%) | 2,560 (5.7%) | 3,018 (6.8%) |
| 2015–2016 | 27,717 (62.2%) | 2,118 (4.8%) | 1,487 (3.3%) |
| 2013–2014 | 20,356 (45.7%) | 488 (1.1%) | 2,897 (6.5%) |
| 2011–2012 | 24,906 (55.9%) | 640 (1.4%) | 2,397 (5.4%) |
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
- 63,944 (± 649)
- Median Age
- 40.5
- Median Household Income
- $74,991 (± $2,899)
- High School Graduate or Higher (age 25+)
- 94.5%
- Bachelor's Degree or Higher (age 25+)
- 25.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 14,683 | 23.0% |
| 18 to 64 | 36,856 | 57.6% |
| 65 and over | 12,405 | 19.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,755 | 2.7% |
| White, not Hispanic | 58,768 | 91.9% |
| Black, not Hispanic | 672 | 1.1% |
| Asian, not Hispanic | 609 | 1.0% |
| American Indian / Alaska Native, not Hispanic | 28 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 67 | 0.1% |
| Some other race, not Hispanic | 71 | 0.1% |
| Two or more races, not Hispanic | 1,974 | 3.1% |
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
- 62,841
- Citizen Voting Age Population (CVAP)
- 48,500
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 61,410 | 97.7% |
| Hispanic | 1,433 | 2.3% |
| White | 59,305 | 94.4% |
| Black | 645 | 1.0% |
| Asian | 400 | 0.6% |
| American Indian / Alaska Native | 29 | 0.0% |
| Native Hawaiian / Pacific Islander | 68 | 0.1% |
| Two or More Races | 27 | 0.0% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 47,602 | 98.1% |
| Hispanic | 895 | 1.8% |
| White | 46,101 | 95.1% |
| Black | 804 | 1.7% |
| Asian | 344 | 0.7% |
| American Indian / Alaska Native | 265 | 0.5% |
| Native Hawaiian / Pacific Islander | 65 | 0.1% |
| Two or More Races | 18 | 0.0% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
