Jennings County , Indiana

Jennings County: County in Indiana, United States

Jennings County locator map
Location of Jennings County on Indiana map.


Jennings County is a county located in the U.S. state of Indiana. As of the 2010 census, the population was 28,525 and a population density of 29 people per km². After 9 years in 2019 county had an estimated population of 27,735 inhabitants. Its county seat is Vernon. The county was created 204 years ago in 1816.


Jennings County is located at 38°59'49"N 85°37'41"W (38.9969300, -85.6280600). It has 2 neighbors: Decatur County and Scott County.

Jennings County Indiana courthouse image
Jennings County Indiana courthouse

The largest city of Jennings County is North Vernon with a population of 6,702. Other cities include, Country Squire Lakes population 3,571 and Hayden population 521. See all Jennings County cities & populated places.


Jennings County forecast: A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 82. Chance of precipitation is 20%. more

Jennings County Indiana courthouse image

Jennings County map

Jennings County Quick Facts

Population : 27,735 (2019)
Country : United States of America
State : Indiana (United States)
Area : 980 km2
Water as percent of area : 0.47%
Land as percent of area : 99.53%
Named for : Jonathan Jennings
Altitude : 663 feet / 202 meters
Capital : Vernon
Establishment : December 12, 1816
Time Zone : Eastern Time Zone
Local time : 07:27:45 (1st August 2021)
Density : 28 Pop. per km² as of 2019
Population growth : -2.85% (2010-2019)
Weather : 82℉ Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 7-days weather

Jennings County has 2 neighbours.

  • Vernon


According to census records, the population of Jennings County decreased by 2.85% in 9 years.

Year Population % Change Method
2010 28,525 - census
2011 28,155 -1.31% estimation process
2012 28,145 -0.04% estimation process
2013 28,227 0.29% estimation process
2014 27,916 -1.11% estimation process
2015 27,834 -0.29% estimation process
2016 27,648 -0.67% estimation process
2017 27,652 0.01% estimation process
2018 27,679 0.1% estimation process
2019 27,735 0.2% estimation process

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People born in Jennings County (1)

Clifford P. Smith was born in Jennings County

Jennings County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Jennings County.

City Name Population Title
North Vernon 6,702 City in Indiana, United States
Country Squire Lakes 3,571
Lovett 1,135 Township in Jennings County, Indiana
Vernon 664 Town in Indiana, United States
Hayden 521

Indiana Other Counties (more counties)

County Name Population Title
Indiana 6,732,219 State of the United States of America
Marion County 964,582 County in Oregon, United States
Indianapolis 886,220 City in and county seat of Marion County, Indiana, United States and the Indiana federated state capital city
Lake County 485,493 County in Indiana, United States
Allen County 379,299 County in Indiana, United States
Hamilton County 338,011 County in Indiana, United States
Saint Joseph County 271,826 County in Indiana, United States
Fort Wayne 270,402 County seat of Allen County, Indiana, United States
Elkhart County 206,341 County in Indiana, United States
Tippecanoe County 195,732 County in the northwest quadrant of Indiana, United States
Vanderburgh County 181,451 County in Indiana, United States
Porter County 170,389 County in Indiana, United States
Hendricks County 170,311 County in Indiana, United States
Johnson County 158,167 County in Indiana, United States
Monroe County 148,431 County in Indiana, United States
Madison County 129,569 County in Indiana, United States

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