Overview
- District ID
- in-sd-031
- State
- Indiana
- Chamber
- Upper chamber (state senate)
- District Code
- 031
- Land Area
- 62.7 sq mi
- Water Area
- 3.9 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
Places
Showing all 4 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 |
|---|
| IN District 5 | 105,615 | 77.2% | 14.0% | 78.1% |
| IN District 7 | 31,245 | 22.8% | 4.1% | 21.9% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 109,196
- Active Voters
- 109,196 (100.0%)
Party Registration
This state's voter file does not record party registration.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 12/24/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 139,267 (± 1,911)
- Median Age
- 38.1
- Median Household Income
- $129,582 (± $6,269)
- High School Graduate or Higher (age 25+)
- 97.4%
- Bachelor's Degree or Higher (age 25+)
- 64.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 36,025 | 25.9% |
| 18 to 64 | 83,892 | 60.2% |
| 65 and over | 19,350 | 13.9% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 7,141 | 5.1% |
| White, not Hispanic | 107,157 | 76.9% |
| Black, not Hispanic | 8,825 | 6.3% |
| Asian, not Hispanic | 9,411 | 6.8% |
| American Indian / Alaska Native, not Hispanic | 16 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 140 | 0.1% |
| Some other race, not Hispanic | 769 | 0.6% |
| Two or more races, not Hispanic | 5,808 | 4.2% |
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
- 131,941
- Citizen Voting Age Population (CVAP)
- 97,064
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 125,714 | 95.3% |
| Hispanic | 6,227 | 4.7% |
| White | 106,637 | 80.8% |
| Black | 8,528 | 6.5% |
| Asian | 6,196 | 4.7% |
| American Indian / Alaska Native | 17 | 0.0% |
| Native Hawaiian / Pacific Islander | 140 | 0.1% |
| Two or More Races | 112 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 93,615 | 96.4% |
| Hispanic | 3,446 | 3.6% |
| White | 80,758 | 83.2% |
| Black | 7,599 | 7.8% |
| Asian | 4,788 | 4.9% |
| American Indian / Alaska Native | 325 | 0.3% |
| Native Hawaiian / Pacific Islander | 108 | 0.1% |
| Two or More Races | 45 | 0.0% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
