Redistricting

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 took effect in the November 2022 elections.

Maps

• View the final map pdfs »

• Shapefiles
  • Congressional
  • House

  • Senate

Indiana's Redistricting Process

• Redistricting in Indiana after the 2020 Census (Ballotpedia)
• All about Redistricting: Indiana State Summary (Loyola Law School)

Data

• 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.
• 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.

Maps

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.

• Congressional Districts
• Senate Districts
• House Districts

Access historical map boundaries »

Profiles

• 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.

Spreadsheets

• 2020 Census: Numeric and Percent Change since 2010 (Note: These files were revised 9/1/21.)
  • Congressional District
  • State Senate District
  • State House District
• 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

Local Redistricting

To assist cities and towns in drawing new districts, STATS Indiana provides block-level population data by age and sex from the decennial census.

• Legacy Data from Census 2010: Select a county from the dropdown below. View documentation.
  Select a County Adams Allen Bartholomew Benton Blackford Boone Brown Carroll Cass Clark Clay Clinton Crawford Daviess Dearborn Decatur DeKalb Delaware Dubois Elkhart Fayette Floyd Fountain Franklin Fulton Gibson Grant Greene Hamilton Hancock Harrison Hendricks Henry Howard Huntington Jackson Jasper Jay Jefferson Jennings Johnson Knox Kosciusko LaGrange Lake LaPorte Lawrence Madison Marion Marshall Martin Miami Monroe Montgomery Morgan Newton Noble Ohio Orange Owen Parke Perry Pike Porter Posey Pulaski Putnam Randolph Ripley Rush St. Joseph Scott Shelby Spencer Starke Steuben Sullivan Switzerland Tippecanoe Tipton Union Vanderburgh Vermillion Vigo Wabash Warren Warrick Washington Wayne Wells White Whitley

Related Links

• Redistricting Data Program (U.S. Census Bureau)
• Redistricting (Brennon Center for Justice)
• PlanScore