Overview
- District ID
- ia-sd-034
- State
- Iowa
- Chamber
- Upper chamber (state senate)
- District Code
- 034
- Land Area
- 1,973.1 sq mi
- Water Area
- 4.15 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 37 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 | 63,469 | 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
- 41,856
- Active Voters
- 36,941 (88.3%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 9,043 | 21.6% |
| Republican | 16,134 | 38.5% |
| Unaffiliated | 16,402 | 39.2% |
| Other parties | 277 | 0.7% |
| No party recorded | 0 | 0.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 10,064 (24.0%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 34,077 (81.4%) | 774 (1.8%) | 1,898 (4.5%) |
| 2021–2022 | 25,769 (61.6%) | 2,110 (5.0%) | 3,619 (8.6%) |
| 2019–2020 | 31,871 (76.1%) | 4,155 (9.9%) | 4,092 (9.8%) |
| 2017–2018 | 23,875 (57.0%) | 2,150 (5.1%) | 1,539 (3.7%) |
| 2015–2016 | 27,206 (65.0%) | 1,308 (3.1%) | 1,957 (4.7%) |
| 2013–2014 | 19,885 (47.5%) | 1,250 (3.0%) | 1,928 (4.6%) |
| 2011–2012 | 24,659 (58.9%) | 755 (1.8%) | 2,029 (4.8%) |
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
- 63,699 (± 650)
- Median Age
- 42.1
- Median Household Income
- $72,128 (± $2,874)
- High School Graduate or Higher (age 25+)
- 93.7%
- Bachelor's Degree or Higher (age 25+)
- 22.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 15,002 | 23.6% |
| 18 to 64 | 35,072 | 55.1% |
| 65 and over | 13,625 | 21.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,594 | 2.5% |
| White, not Hispanic | 59,429 | 93.3% |
| Black, not Hispanic | 337 | 0.5% |
| Asian, not Hispanic | 244 | 0.4% |
| American Indian / Alaska Native, not Hispanic | 106 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 14 | 0.0% |
| Some other race, not Hispanic | 88 | 0.1% |
| Two or more races, not Hispanic | 1,887 | 3.0% |
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
- 63,095
- Citizen Voting Age Population (CVAP)
- 48,156
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 61,808 | 98.0% |
| Hispanic | 1,290 | 2.0% |
| White | 60,190 | 95.4% |
| Black | 180 | 0.3% |
| Asian | 177 | 0.3% |
| American Indian / Alaska Native | 108 | 0.2% |
| Native Hawaiian / Pacific Islander | 13 | 0.0% |
| Two or More Races | 23 | 0.0% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 47,447 | 98.5% |
| Hispanic | 707 | 1.5% |
| White | 46,370 | 96.3% |
| Black | 218 | 0.5% |
| Asian | 299 | 0.6% |
| American Indian / Alaska Native | 550 | 1.1% |
| Native Hawaiian / Pacific Islander | 11 | 0.0% |
| Two or More Races | 6 | 0.0% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
