Overview
- District ID
- ia-hd-070
- State
- Iowa
- Chamber
- Lower chamber
- District Code
- 070
- Land Area
- 730.9 sq mi
- Water Area
- 4.54 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 20 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 | 31,800 | 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
- 22,463
- Active Voters
- 19,670 (87.6%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 4,975 | 22.1% |
| Republican | 8,520 | 37.9% |
| Unaffiliated | 8,807 | 39.2% |
| Other parties | 161 | 0.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 3,243 (14.4%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 18,112 (80.6%) | 302 (1.3%) | 1,491 (6.6%) |
| 2021–2022 | 13,288 (59.2%) | 1,141 (5.1%) | 2,055 (9.1%) |
| 2019–2020 | 16,908 (75.3%) | 2,556 (11.4%) | 2,572 (11.4%) |
| 2017–2018 | 12,598 (56.1%) | 1,097 (4.9%) | 1,083 (4.8%) |
| 2015–2016 | 14,230 (63.3%) | 553 (2.5%) | 609 (2.7%) |
| 2013–2014 | 10,238 (45.6%) | 376 (1.7%) | 1,283 (5.7%) |
| 2011–2012 | 12,888 (57.4%) | 658 (2.9%) | 653 (2.9%) |
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
- 30,609 (± 805)
- Median Age
- 41.7
- Median Household Income
- $83,280 (± $2,616)
- High School Graduate or Higher (age 25+)
- 96.3%
- Bachelor's Degree or Higher (age 25+)
- 27.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 7,347 | 24.0% |
| 18 to 64 | 17,216 | 56.2% |
| 65 and over | 6,046 | 19.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 928 | 3.0% |
| White, not Hispanic | 28,223 | 92.2% |
| Black, not Hispanic | 220 | 0.7% |
| Asian, not Hispanic | 221 | 0.7% |
| American Indian / Alaska Native, not Hispanic | 8 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 90 | 0.3% |
| Some other race, not Hispanic | 39 | 0.1% |
| Two or more races, not Hispanic | 880 | 2.9% |
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
- 30,383
- Citizen Voting Age Population (CVAP)
- 23,044
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 29,530 | 97.2% |
| Hispanic | 850 | 2.8% |
| White | 28,407 | 93.5% |
| Black | 223 | 0.7% |
| Asian | 152 | 0.5% |
| American Indian / Alaska Native | 9 | 0.0% |
| Native Hawaiian / Pacific Islander | 14 | 0.0% |
| Two or More Races | 45 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 22,714 | 98.6% |
| Hispanic | 334 | 1.4% |
| White | 22,100 | 95.9% |
| Black | 226 | 1.0% |
| Asian | 228 | 1.0% |
| American Indian / Alaska Native | 120 | 0.5% |
| Native Hawaiian / Pacific Islander | 18 | 0.1% |
| Two or More Races | 30 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
