Indiana State Senate District 20

State Legislative District Profile (Upper Chamber)

Overview

District ID
in-sd-020
State
Indiana
Chamber
Upper chamber (state senate)
District Code
020
Land Area
133.4 sq mi
Water Area
4.23 sq mi

Boundary

Boundary of Indiana State Senate District 20

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Hamilton County133.40 sq mi100.0%33.8%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Noblesville city29.62 sq mi22.2%84.0%
Carmel city22.36 sq mi16.8%45.6%
Cicero town1.63 sq mi1.2%100.0%
Arcadia town0.22 sq mi0.2%39.4%
Westfield city0.01 sq mi<0.1%<0.1%

Showing all 5 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 5135,503100.0%18.0%100.0%

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

Voters

Registered Voters
108,377
Active Voters
108,377 (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
139,015 (± 1,923)
Median Age
39.3
Median Household Income
$110,819 (± $5,047)
High School Graduate or Higher (age 25+)
97.2%
Bachelor's Degree or Higher (age 25+)
57.0%

Population by Age

GroupPeopleShare
Under 1833,42424.0%
18 to 6483,87960.3%
65 and over21,71215.6%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)8,0865.8%
White, not Hispanic114,49382.4%
Black, not Hispanic4,7693.4%
Asian, not Hispanic6,0904.4%
American Indian / Alaska Native, not Hispanic670.0%
Native Hawaiian / Pacific Islander, not Hispanic30.0%
Some other race, not Hispanic6660.5%
Two or more races, not Hispanic4,8413.5%

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
133,030
Citizen Voting Age Population (CVAP)
100,828

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic127,49295.8%
Hispanic5,5444.2%
White115,04786.5%
Black4,3343.3%
Asian4,4943.4%
American Indian / Alaska Native670.1%
Native Hawaiian / Pacific Islander50.0%
Two or More Races2270.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic97,31596.5%
Hispanic3,5123.5%
White89,21388.5%
Black3,7013.7%
Asian3,8043.8%
American Indian / Alaska Native5060.5%
Native Hawaiian / Pacific Islander30.0%
Two or More Races980.1%

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