Jennings County, Indiana

Jennings County: County in Indiana, United States


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 10 years in 2020 county had an estimated population of 27,515 inhabitants. Its county seat is Vernon. The county was created 207 years ago in 1816.

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

Quick Facts about Jennings County

Population : 27,515 (2020)
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 : 15:19:25 (20th May 2024)
Density : 28 Pop. per km² as of 2020
Population growth : -3.67% (2010-2020)
Jennings County Indiana courthouse image
Jennings County Indiana courthouse
Jennings County Indiana courthouse image


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 map

The largest city of Jennings County is North Vernon with a population of 6,626. . See all Jennings County cities & populated places.

Jennings County Populated Places

Cities, towns, neighborhoods & other populated places in Jennings County.

City Name Population Title
North Vernon 6,626 City in Indiana, United States
Lovett 1,121 Township in Jennings County, Indiana
Vernon 314 Town in Indiana, United States

Jennings County has 2 neighbours.

  • Vernon


According to census records, the population of Jennings County decreased by 3.67% in 10 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
2020 27,515 -0.8% estimation process

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People born in Jennings County (1)

Clifford P. Smith was born in Jennings County

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