Every 10 years the congressional and legislative districts within states are redrawn because the districts must be of roughly equal population by law.
2020 Census Redistricting
On October 4, 2021, Governor Holcomb signed the state's new legislative and congressional districts into law. These will be in effect for the November 2022 elections.
Indiana's Redistricting Process
- Indiana Redistricting Process (Indiana General Assembly)
- Redistricting in Indiana after the 2020 Census (Ballotpedia)
- All about Redistricting: Indiana State Summary (Loyola Law School)
- My Congressional District Tool: This tool from the U.S. Census Bureau gives you quick and easy access to selected statistics from the American Community Survey and County Business Patterns.
- ACS Data Profiles by Congressional and Legislative District: These U.S. Census Bureau profiles contain data from four ACS Data Profile tables, providing a portrait of each district and demographic characteristics of its constituents
- ZIP Codes by Indiana 2021 Legislative District
Which States Gained/Lost Seats in Congress?
Indiana kept its 9 congressional seats after the 2020 Census results were tallied (it hasn't lost a seat since Census 2000). The Midwest lost several seats, with gains in the South and West.
- Population Change and Apportionment Map
- Apportionment Data, 1910-2020
- “Here's How The 1st 2020 Census Results Changed Electoral College, House Seats” (NPR, 4/26/21)
Indiana's 2011 Statewide Districts
On May 10, 2011, Governor Daniels signed the state's 2011 legislative and congressional districts into law.
Click on the icons below to view maps of Indiana's districts (in PNG and PDF formats). Shapefiles of these legislative districts are available for download from IndianaMap.
- Indiana's Census 2020 Redistricting Data Dashboard: Select one of the district options in the "geography type" dropdown.
- 2010 Census District Profiles: These pdfs provide quick access to the key data items in the P.L. 94-171 redistricting data set.
- 2020 Census: Numeric and Percent Change since 2010 (Note: These files were revised 9/1/21.)
- Census 2010 Data Tabulation for the Current 2011 Legislative Districts
- Geographic Change in Indiana Legislative Districts, 2001-2011
- ZIP Codes by Indiana 2011 Legislative District
To assist cities and towns in drawing new districts, STATS Indiana provides block-level population data by age and sex from the decennial census. These data come from the SF1 data release and are not yet available for the 2020 census.
- Legacy Data from Census 2010: Select a county from the dropdown below. View documentation.