Map of Johnson County, Indiana

Johnson County is a county located in the U.S. state of Indiana. As of 2020, the population was 161,765. The county seat is Franklin.

Johnson County is included in the Indianapolis-CarmelAnderson, IN Metropolitan Statistical Area.

Johnson County overview:
Name:Johnson County
FIPS code:18-081
State:Indiana
Founded:1823
Seat:Franklin
Largest city:Greenwood
Total Area:321.79 sq mi (833.4 km²)
Land Area:320.43 sq mi (829.9 km²)
Total Population:161,765
Population Density:436/sq mi (168.4/km²)

Johnson County location map. Where is Johnson County?

Johnson County location on the U.S. Map. Where is Johnson County.
Location of Johnson County in the the United States.
Johnson County location on the Indiana map. Where is Johnson County.
Location of Johnson County in Indiana.

History

Johnson County was formed in 1823. It was named for John Johnson, a Justice of the Indiana Supreme Court. This is probably John Johnson of Knox County, delegate to the State constitutional convention, appointed to the Supreme Court in 1816.

Johnson County Road Map

Johnson CountyStreet Map.
Street map of Johnson County, Indiana. Source: OpenStreetMap (OSM)

Geography

According to the 2010 census, the county has a total area of 321.79 square miles (833.4 km), of which 320.43 square miles (829.9 km) (or 99.58%) is land and 1.36 square miles (3.5 km) (or 0.42%) is water.

Adjacent counties

Johnson County Topographic Map

Topographic Map of Johnson County, Indiana
Johnson County Topo map.

Johnson County Satellite Map

Satellite Map of Johnson County, Indiana
Johnson County satellite map.

Johnson County Outline Map

Outline Map of Johnson County, Indiana
Johnson County outline map.
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Parent Unit Map

Map of United States
The United States (US) covers a total area of 9,833,520 sq. km. Of this area, the 48 contiguous states and the District of Columbia cover 8,080,470 sq. km. The archipelago of Hawaii has an area of 28,311 sq. km while the remaining area is part of the US territories. The greatest east-west distance in the ... Read more
Map of United States
Political map of Indiana State – Printable Collection
Indiana (/ˌɪndiˈænə/ (listen)) is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th state on December 11, 1816. It is bordered by Lake Michigan to ... Read more
Political map of Indiana State – Printable Collection

Related Administrative Divisions

Sub-Administrative Units Maps