Johnson County, Indiana

Johnson County
Johnson County courthouse in Franklin, Indiana
Johnson County courthouse in Franklin, Indiana
Map of Indiana highlighting Johnson County
Location within the U.S. state of Indiana
Map of the United States highlighting Indiana
Indiana's location within the U.S.
Coordinates: 39°29′N 86°06′W / 39.49°N 86.1°W / 39.49; -86.1
Country United States
State Indiana
Founded1823
SeatFranklin
Largest cityGreenwood
Area
 • Total321.79 sq mi (833.4 km2)
 • Land320.43 sq mi (829.9 km2)
 • Water1.36 sq mi (3.5 km2)  0.42%
Population
 (2020)
 • Total161,765
 • Estimate 
(2023)
167,819 Increase
 • Density500/sq mi (190/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district6th
Websitewww.co.johnson.in.us
Indiana county number 41

Johnson County is a county located in the U.S. state of Indiana. As of 2020, the population was 161,765.[1] The county seat is Franklin.[2] Johnson County is included in the Indianapolis-Carmel-Anderson, IN Metropolitan Statistical Area.

  1. ^ "Johnson County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved September 25, 2011.
  2. ^ "Find a County". National Association of Counties. Archived from the original on May 9, 2015. Retrieved June 7, 2011.