Overview
- District ID
- ia-sd-026
- State
- Iowa
- Chamber
- Upper chamber (state senate)
- District Code
- 026
- Land Area
- 996.3 sq mi
- Water Area
- 1.42 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 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 4 | 63,918 | 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
- 40,355
- Active Voters
- 34,432 (85.3%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 10,386 | 25.7% |
| Republican | 14,654 | 36.3% |
| Unaffiliated | 14,908 | 36.9% |
| Other parties | 407 | 1.0% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 9,491 (23.5%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 31,335 (77.6%) | 631 (1.6%) | 2,977 (7.4%) |
| 2021–2022 | 23,059 (57.1%) | 2,309 (5.7%) | 3,797 (9.4%) |
| 2019–2020 | 29,698 (73.6%) | 4,115 (10.2%) | 3,703 (9.2%) |
| 2017–2018 | 22,560 (55.9%) | 2,549 (6.3%) | 1,513 (3.7%) |
| 2015–2016 | 24,951 (61.8%) | 1,169 (2.9%) | 1,458 (3.6%) |
| 2013–2014 | 17,790 (44.1%) | 598 (1.5%) | 2,550 (6.3%) |
| 2011–2012 | 22,514 (55.8%) | 438 (1.1%) | 1,582 (3.9%) |
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
- 65,010 (± 515)
- Median Age
- 38.7
- Median Household Income
- $80,168 (± $3,577)
- High School Graduate or Higher (age 25+)
- 90.6%
- Bachelor's Degree or Higher (age 25+)
- 29.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 16,936 | 26.1% |
| 18 to 64 | 36,507 | 56.2% |
| 65 and over | 11,567 | 17.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 11,216 | 17.3% |
| White, not Hispanic | 48,490 | 74.6% |
| Black, not Hispanic | 740 | 1.1% |
| Asian, not Hispanic | 1,960 | 3.0% |
| American Indian / Alaska Native, not Hispanic | 140 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 234 | 0.4% |
| Two or more races, not Hispanic | 2,230 | 3.4% |
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
- 60,969
- Citizen Voting Age Population (CVAP)
- 44,637
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 52,361 | 85.9% |
| Hispanic | 8,610 | 14.1% |
| White | 48,845 | 80.1% |
| Black | 399 | 0.7% |
| Asian | 1,260 | 2.1% |
| American Indian / Alaska Native | 141 | 0.2% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 122 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 39,973 | 89.6% |
| Hispanic | 4,660 | 10.4% |
| White | 38,022 | 85.2% |
| Black | 549 | 1.2% |
| Asian | 951 | 2.1% |
| American Indian / Alaska Native | 346 | 0.8% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 112 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
