Indiana

Posey

25,222
2020 population
1820
first census record
21
census records

About Posey

Posey, Indiana, first appears in the United States federal census in 1820, when it recorded a population of 4,061. At the most recent census, in 2020, its population stood at 25,222.

Its recorded population peaked at 27,061 in 2000, and has since declined by roughly 7 percent.

On the ground today, 19 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202025,222
201025,910
200027,061
199025,968
198026,414
197021,740
196019,214
195019,818
194019,183
193017,853
192019,334
191021,670
190022,333
189021,529
188020,857
187019,185
186016,167
185012,549
18409,683
18306,549
18204,061
Source

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

Historic places in Posey

National Register of Historic Places listings in Posey, Indiana.

Mann Site
Mt. Vernon
Mount Vernon Site
Mount Vernon
Ashworth Archaeological Site (12 Po 7)
Hovey Lake
Gonnerman, William, House
Mt. Vernon
Hagemann, Frederick and Augusta, Farm
Mount Vernon
Thomas, Amon Clarence, House
New Harmony
Elliott, James, Farm
New Harmony
Harmony Way Bridge
New Harmony
Mount Vernon Downtown Historic District
Mount Vernon
New Harmony Historic District
New Harmony
Hovey Lake Archaeological District
Hovey Lake
Posey County Courthouse Square
Mount Vernon
Welborn Historic District
Mt. 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 Posey County, Indiana

This page charts the census history of Posey 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 Posey

When does Posey first appear in the US census?
Posey, Indiana first appears in the federal census in 1820, with a recorded population of 4,061.
What is the population of Posey?
At the most recent federal census (2020), Posey had a recorded population of 25,222.
When did Posey's population peak?
Posey's recorded population peaked at 27,061 in 2000.
How many historic places are in Posey?
19 sites are listed on the National Register of Historic Places in Posey, Indiana.
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