Overview
- District ID
- ia-sd-005
- State
- Iowa
- Chamber
- Upper chamber (state senate)
- District Code
- 005
- Land Area
- 2,918.4 sq mi
- Water Area
- 42.2 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 6 counties
Places
Showing top 25 of 51 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 | 63,895 | 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
- 46,065
- Active Voters
- 39,700 (86.2%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 8,715 | 18.9% |
| Republican | 21,786 | 47.3% |
| Unaffiliated | 15,223 | 33.0% |
| Other parties | 341 | 0.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 8,702 (18.9%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 36,327 (78.9%) | 589 (1.3%) | 4,088 (8.9%) |
| 2021–2022 | 26,887 (58.4%) | 1,768 (3.8%) | 5,209 (11.3%) |
| 2019–2020 | 34,292 (74.4%) | 3,968 (8.6%) | 6,978 (15.1%) |
| 2017–2018 | 25,798 (56.0%) | 2,065 (4.5%) | 3,314 (7.2%) |
| 2015–2016 | 28,762 (62.4%) | 898 (1.9%) | 2,360 (5.1%) |
| 2013–2014 | 20,702 (44.9%) | 878 (1.9%) | 2,849 (6.2%) |
| 2011–2012 | 25,598 (55.6%) | 1,216 (2.6%) | 4,251 (9.2%) |
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
- 63,469 (± 248)
- Median Age
- 44.7
- Median Household Income
- $70,711 (± $2,666)
- High School Graduate or Higher (age 25+)
- 94.6%
- Bachelor's Degree or Higher (age 25+)
- 24.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 13,195 | 20.8% |
| 18 to 64 | 34,475 | 54.3% |
| 65 and over | 15,799 | 24.9% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,078 | 4.8% |
| White, not Hispanic | 57,600 | 90.8% |
| Black, not Hispanic | 617 | 1.0% |
| Asian, not Hispanic | 382 | 0.6% |
| American Indian / Alaska Native, not Hispanic | 49 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 13 | 0.0% |
| Some other race, not Hispanic | 99 | 0.2% |
| Two or more races, not Hispanic | 1,631 | 2.6% |
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
- 62,420
- Citizen Voting Age Population (CVAP)
- 49,287
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 60,030 | 96.2% |
| Hispanic | 2,391 | 3.8% |
| White | 58,140 | 93.1% |
| Black | 471 | 0.8% |
| Asian | 263 | 0.4% |
| American Indian / Alaska Native | 47 | 0.1% |
| Native Hawaiian / Pacific Islander | 12 | 0.0% |
| Two or More Races | 141 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 47,928 | 97.2% |
| Hispanic | 1,360 | 2.8% |
| White | 46,678 | 94.7% |
| Black | 488 | 1.0% |
| Asian | 275 | 0.6% |
| American Indian / Alaska Native | 439 | 0.9% |
| Native Hawaiian / Pacific Islander | 14 | 0.0% |
| Two or More Races | 31 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).