Pennsylvania

Indiana

83,246
2020 population
1810
first census record
22
census records

About Indiana

Indiana, Pennsylvania, first appears in the United States federal census in 1810, when it recorded a population of 6,214. At the most recent census, in 2020, its population stood at 83,246.

Its recorded population peaked at 92,281 in 1980, and has since declined by roughly 10 percent.

On the ground today, 23 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202083,246
201088,880
200089,605
199089,994
198092,281
197079,451
196075,366
195077,106
194079,854
193075,395
192080,910
191066,210
190042,556
189042,175
188040,527
187036,138
186033,687
185027,170
184020,782
183014,252
18208,882
18106,214
Source

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

Historic places in Indiana

National Register of Historic Places listings in Indiana, Pennsylvania.

Diehl, George, Homestead
Indiana
Mitchell, James, House
Indiana
Indiana Armory
Indiana
Saltsburg Historic District
Saltsburg
Old Indiana County Courthouse
Indiana
Indiana Borough 1912 Municipal Building
Indiana
Old Indiana County Jail and Sheriff's Office
Indiana
Buffalo, Rochester & Pittsburgh Railway Indiana Passenger Station
Indiana
Graff's Market
Indiana
Blairsville Armory
Blairsville
Downtown Indiana Historic District
Indiana
McCormick, John B., House
Georgeville
Sutton, John, Hall
Indiana
Breezedale
Indiana
Kintersburg Covered Bridge
Kintersburg
Thomas Covered Bridge
Creekside
Clark, Silas M., House
Indiana
Browse all Pennsylvaniahistoric sites ›

Other counties in Pennsylvania

Explore census history and historic records for more Pennsylvania counties.

CarbonCentreChesterClarionClearfieldClintonColumbiaCrawfordCumberlandDauphinDelawareElkErieFayetteForestFranklinFultonGreeneHuntingdonJefferson
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Everything a full report reveals about Indiana County, Pennsylvania

This page charts the census history of Indiana County, Pennsylvania. 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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Explore Pennsylvania records

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Frequently asked about Indiana

When does Indiana first appear in the US census?
Indiana, Pennsylvania first appears in the federal census in 1810, with a recorded population of 6,214.
What is the population of Indiana?
At the most recent federal census (2020), Indiana had a recorded population of 83,246.
When did Indiana's population peak?
Indiana's recorded population peaked at 92,281 in 1980.
How many historic places are in Indiana?
23 sites are listed on the National Register of Historic Places in Indiana, Pennsylvania.
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