Overview
- District ID
- ia-sd-027
- State
- Iowa
- Chamber
- Upper chamber (state senate)
- District Code
- 027
- Land Area
- 2,342.2 sq mi
- Water Area
- 3.84 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 5 counties
Places
Showing top 25 of 45 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 2 | 63,643 | 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
- 42,598
- Active Voters
- 36,476 (85.6%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 9,621 | 22.6% |
| Republican | 17,956 | 42.2% |
| Unaffiliated | 14,723 | 34.6% |
| Other parties | 298 | 0.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 10,564 (24.8%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 33,709 (79.1%) | 1,257 (3.0%) | 3,170 (7.4%) |
| 2021–2022 | 25,662 (60.2%) | 2,418 (5.7%) | 5,108 (12.0%) |
| 2019–2020 | 31,722 (74.5%) | 4,234 (9.9%) | 4,735 (11.1%) |
| 2017–2018 | 24,063 (56.5%) | 2,330 (5.5%) | 2,401 (5.6%) |
| 2015–2016 | 26,574 (62.4%) | 1,243 (2.9%) | 1,128 (2.6%) |
| 2013–2014 | 19,550 (45.9%) | 730 (1.7%) | 3,234 (7.6%) |
| 2011–2012 | 24,058 (56.5%) | 744 (1.7%) | 3,335 (7.8%) |
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
- 63,016 (± 606)
- Median Age
- 42.6
- Median Household Income
- $72,269 (± $1,983)
- High School Graduate or Higher (age 25+)
- 94.0%
- Bachelor's Degree or Higher (age 25+)
- 24.8%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 13,429 | 21.3% |
| 18 to 64 | 35,735 | 56.7% |
| 65 and over | 13,852 | 22.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,562 | 5.7% |
| White, not Hispanic | 55,357 | 87.8% |
| Black, not Hispanic | 561 | 0.9% |
| Asian, not Hispanic | 678 | 1.1% |
| American Indian / Alaska Native, not Hispanic | 1,051 | 1.7% |
| Native Hawaiian / Pacific Islander, not Hispanic | 6 | 0.0% |
| Some other race, not Hispanic | 225 | 0.4% |
| Two or more races, not Hispanic | 1,576 | 2.5% |
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
- 61,467
- Citizen Voting Age Population (CVAP)
- 48,138
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 58,710 | 95.5% |
| Hispanic | 2,757 | 4.5% |
| White | 55,658 | 90.5% |
| Black | 498 | 0.8% |
| Asian | 391 | 0.6% |
| American Indian / Alaska Native | 1,052 | 1.7% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 63 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 46,583 | 96.8% |
| Hispanic | 1,553 | 3.2% |
| White | 44,502 | 92.4% |
| Black | 450 | 0.9% |
| Asian | 457 | 0.9% |
| American Indian / Alaska Native | 1,150 | 2.4% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 35 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
