Indiana State House District 12

State Legislative District Profile (Lower Chamber)

Overview

District ID
in-hd-012
State
Indiana
Chamber
Lower chamber
District Code
012
Land Area
24.7 sq mi
Water Area
0.15 sq mi

Boundary

Boundary of Indiana State House District 12

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Lake County24.66 sq mi100.0%4.9%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Griffith town7.77 sq mi31.5%100.0%
Munster town7.53 sq mi30.5%99.9%
Highland town6.90 sq mi28.0%99.6%
Schererville town1.03 sq mi4.2%6.8%
Hammond city0.06 sq mi0.2%0.3%
Merrillville town0.00 sq mi<0.1%<0.1%

Showing all 6 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 168,365100.0%9.1%100.0%

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

Voters

Registered Voters
51,693
Active Voters
51,693 (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
68,512 (± 699)
Median Age
43.0
Median Household Income
$87,533 (± $5,343)
High School Graduate or Higher (age 25+)
95.1%
Bachelor's Degree or Higher (age 25+)
36.5%

Population by Age

GroupPeopleShare
Under 1813,82920.2%
18 to 6440,94459.8%
65 and over13,73920.1%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)12,50318.2%
White, not Hispanic44,86965.5%
Black, not Hispanic6,4439.4%
Asian, not Hispanic2,2883.3%
American Indian / Alaska Native, not Hispanic670.1%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic1960.3%
Two or more races, not Hispanic2,1463.1%

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
67,174
Citizen Voting Age Population (CVAP)
53,383

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic55,31282.3%
Hispanic11,86617.7%
White45,19667.3%
Black6,3809.5%
Asian1,9302.9%
American Indian / Alaska Native680.1%
Native Hawaiian / Pacific Islander20.0%
Two or More Races790.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic45,48385.2%
Hispanic7,89514.8%
White38,25271.7%
Black5,1089.6%
Asian1,7313.2%
American Indian / Alaska Native4010.8%
Native Hawaiian / Pacific Islander00.0%
Two or More Races520.1%

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