Indiana State House District 31

State Legislative District Profile (Lower Chamber)

Overview

District ID
in-hd-031
State
Indiana
Chamber
Lower chamber
District Code
031
Land Area
469.1 sq mi
Water Area
0.82 sq mi

Boundary

Boundary of Indiana State House District 31

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Grant County390.01 sq mi83.1%94.2%
Madison County79.10 sq mi16.9%17.5%

Showing all 2 counties

Places

PlaceOverlapShare of district landShare of place land
Marion city15.68 sq mi3.3%99.9%
Gas City city5.03 sq mi1.1%100.0%
Point Isabel CDP3.40 sq mi0.7%100.0%
Jalapa CDP3.18 sq mi0.7%100.0%
Upland town3.14 sq mi0.7%100.0%
Fairmount town1.59 sq mi0.3%100.0%
Landess CDP1.40 sq mi0.3%99.4%
Sweetser town1.01 sq mi0.2%100.0%
Herbst CDP0.93 sq mi0.2%100.0%
Jonesboro city0.89 sq mi0.2%100.0%
Van Buren town0.58 sq mi0.1%100.0%
Summitville town0.57 sq mi0.1%100.0%
Matthews town0.35 sq mi0.1%100.0%
Mier CDP0.24 sq mi0.1%100.0%
Fowlerton town0.20 sq mi<0.1%99.8%
Converse town0.17 sq mi<0.1%17.1%
Elwood city0.05 sq mi<0.1%1.2%

Showing all 17 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
IN District 567,916100.0%9.0%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
43,344
Active Voters
43,344 (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
67,863 (± 364)
Median Age
38.7
Median Household Income
$53,549 (± $2,909)
High School Graduate or Higher (age 25+)
89.4%
Bachelor's Degree or Higher (age 25+)
20.1%

Population by Age

GroupPeopleShare
Under 1814,59321.5%
18 to 6440,25959.3%
65 and over13,01119.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)3,7115.5%
White, not Hispanic56,33183.0%
Black, not Hispanic3,1504.6%
Asian, not Hispanic5910.9%
American Indian / Alaska Native, not Hispanic1820.3%
Native Hawaiian / Pacific Islander, not Hispanic280.0%
Some other race, not Hispanic330.0%
Two or more races, not Hispanic3,8375.7%

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
66,735
Citizen Voting Age Population (CVAP)
52,214

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic63,66195.4%
Hispanic3,0794.6%
White56,44584.6%
Black3,1524.7%
Asian3000.4%
American Indian / Alaska Native1810.3%
Native Hawaiian / Pacific Islander310.0%
Two or More Races1600.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic50,50896.7%
Hispanic1,7053.3%
White45,66287.5%
Black2,4604.7%
Asian4300.8%
American Indian / Alaska Native1,9153.7%
Native Hawaiian / Pacific Islander260.0%
Two or More Races430.1%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).