Indiana

Jennings

27,613
2020 population
1820
first census record
21
census records

About Jennings

Jennings, Indiana, first appears in the United States federal census in 1820, when it recorded a population of 2,000. At the most recent census, in 2020, its population stood at 27,613.

Its recorded population peaked at 28,525 in 2010, and has since declined by roughly 3 percent.

On the ground today, 6 documented military engagements have been recorded within the county, among them Morgan's Raid — Vernon Indiana (Threatened), Dupont Indiana Skirmish, Morgan's Raid — Dupont Indiana, and 10 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202027,613
201028,525
200027,554
199023,661
198022,854
197019,454
196017,267
195015,250
194013,680
193011,800
192013,280
191014,203
190015,757
189014,608
188016,453
187016,218
186014,749
185012,096
18408,829
18303,974
18202,000
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in Jennings

Military engagements that took place in Jennings, Indiana.

Morgan's Raid — Vernon Indiana (Threatened)
1863
Dupont Indiana Skirmish
1863
Morgan's Raid — Dupont Indiana
1863
Skirmish at Vernon, Indiana
1863
Morgan's Indiana-Ohio Raid – Dupont, Indiana
1863
Skirmish at Dupont, Indiana
1863

Historic places in Jennings

National Register of Historic Places listings in Jennings, Indiana.

Vernon Historic District
North Vernon
North Vernon Downtown Historic District
North Vernon
State Street Historic District
North Vernon
Walnut Street Historic District
North Vernon
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Other counties in Indiana

Explore census history and historic records for more Indiana counties.

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Everything a full report reveals about Jennings County, Indiana

This page charts the census history of Jennings County, Indiana. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about Jennings

When does Jennings first appear in the US census?
Jennings, Indiana first appears in the federal census in 1820, with a recorded population of 2,000.
What is the population of Jennings?
At the most recent federal census (2020), Jennings had a recorded population of 27,613.
When did Jennings's population peak?
Jennings's recorded population peaked at 28,525 in 2010.
Were any battles fought in Jennings?
6 documented military engagements took place in Jennings, including Morgan's Raid — Vernon Indiana (Threatened), Dupont Indiana Skirmish, Morgan's Raid — Dupont Indiana.
How many historic places are in Jennings?
10 sites are listed on the National Register of Historic Places in Jennings, Indiana.
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