Johnson County, Indiana Basics:
Johnson County Indiana - Government Site
Population: 143,300
Area: 320 square miles
County seat: Franklin
Area code(s) in use: 317 812
Time zone: EST
High school graduate or higher: 90.9%
Bachelor's degree or higher: 25.9%
Median household income: $62,888
Persons in poverty: 9.3%
Home ownership rate: 74.2%
Mean travel time to work: 26.1 minutes
Adjacent counties:
Bartholomew Brown Marion Morgan Shelby