Overview
- District ID
- ia-sd-006
- State
- Iowa
- Chamber
- Upper chamber (state senate)
- District Code
- 006
- Land Area
- 2,819.8 sq mi
- Water Area
- 3.69 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 | 63,807 | 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
- 41,455
- Active Voters
- 35,548 (85.8%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 7,598 | 18.3% |
| Republican | 19,960 | 48.1% |
| Unaffiliated | 13,560 | 32.7% |
| Other parties | 337 | 0.8% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 9,136 (22.0%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 32,381 (78.1%) | 511 (1.2%) | 4,492 (10.8%) |
| 2021–2022 | 23,538 (56.8%) | 1,447 (3.5%) | 4,209 (10.2%) |
| 2019–2020 | 30,703 (74.1%) | 3,114 (7.5%) | 6,075 (14.7%) |
| 2017–2018 | 22,456 (54.2%) | 1,543 (3.7%) | 2,059 (5.0%) |
| 2015–2016 | 25,449 (61.4%) | 756 (1.8%) | 3,459 (8.3%) |
| 2013–2014 | 17,526 (42.3%) | 690 (1.7%) | 3,120 (7.5%) |
| 2011–2012 | 22,495 (54.3%) | 962 (2.3%) | 3,555 (8.6%) |
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
- 63,087 (± 179)
- Median Age
- 42.0
- Median Household Income
- $70,005 (± $3,137)
- High School Graduate or Higher (age 25+)
- 92.0%
- Bachelor's Degree or Higher (age 25+)
- 22.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 15,159 | 24.0% |
| 18 to 64 | 34,504 | 54.7% |
| 65 and over | 13,424 | 21.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 6,742 | 10.7% |
| White, not Hispanic | 53,181 | 84.3% |
| Black, not Hispanic | 325 | 0.5% |
| Asian, not Hispanic | 517 | 0.8% |
| American Indian / Alaska Native, not Hispanic | 31 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 14 | 0.0% |
| Some other race, not Hispanic | 190 | 0.3% |
| Two or more races, not Hispanic | 2,087 | 3.3% |
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
- 61,033
- Citizen Voting Age Population (CVAP)
- 46,320
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 56,259 | 92.2% |
| Hispanic | 4,774 | 7.8% |
| White | 53,829 | 88.2% |
| Black | 323 | 0.5% |
| Asian | 475 | 0.8% |
| American Indian / Alaska Native | 29 | 0.0% |
| Native Hawaiian / Pacific Islander | 14 | 0.0% |
| Two or More Races | 156 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 43,643 | 94.2% |
| Hispanic | 2,678 | 5.8% |
| White | 42,090 | 90.9% |
| Black | 640 | 1.4% |
| Asian | 355 | 0.8% |
| American Indian / Alaska Native | 421 | 0.9% |
| Native Hawaiian / Pacific Islander | 14 | 0.0% |
| Two or More Races | 115 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
