Indiana

Washington

28,182
2020 population
1820
first census record
21
census records

About Washington

Washington, Indiana, first appears in the United States federal census in 1820, when it recorded a population of 9,039. At the most recent census, in 2020, its population stood at 28,182.

Its recorded population peaked at 28,262 in 2010.

On the ground today, 6 documented military engagements have been recorded within the county, among them Pigeon Roost Massacre, Raid on Pigeon Roost Settlement (September 3, 1812), Morgan's Raid — Salem Indiana Skirmish, and 10 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202028,182
201028,262
200027,223
199023,717
198021,932
197019,278
196017,819
195016,520
194017,008
193016,285
192016,645
191017,445
190019,409
189018,619
188018,955
187018,495
186017,909
185017,040
184015,269
183013,064
18209,039
Source

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

Battles & engagements in Washington

Military engagements that took place in Washington, Indiana.

Pigeon Roost Massacre
1812
Raid on Pigeon Roost Settlement (September 3, 1812)
1812
Morgan's Raid — Salem Indiana Skirmish
1863
Salem Indiana Skirmish
1863
Morgan's Raid: Salem Indiana
1863
Morgan's Indiana-Ohio Raid – Salem, Indiana
1863

Historic places in Washington

National Register of Historic Places listings in Washington, Indiana.

Salem Downtown Historic District
Salem
Beck's Mill
Salem
Hay-Morrison House
Salem
Blue River Friends Hicksite Meeting House and Cemetery
Salem
Washington County Courthouse
Salem
Washington County Jail and Sheriff's Residence
Salem
Browse all Indianahistoric sites ›

Other counties in Indiana

Explore census history and historic records for more Indiana counties.

DeKalbDelawareDuboisElkhartFayetteFloydFountainFranklinFultonGibsonGrantGreeneHamiltonHancockHarrisonHendricksHenryHowardHuntingtonJackson
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Everything a full report reveals about Washington County, Indiana

This page charts the census history of Washington 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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Indianahistory ›NRHP historic sites ›Notable people from Indiana›

Frequently asked about Washington

When does Washington first appear in the US census?
Washington, Indiana first appears in the federal census in 1820, with a recorded population of 9,039.
What is the population of Washington?
At the most recent federal census (2020), Washington had a recorded population of 28,182.
When did Washington's population peak?
Washington's recorded population peaked at 28,262 in 2010.
Were any battles fought in Washington?
6 documented military engagements took place in Washington, including Pigeon Roost Massacre, Raid on Pigeon Roost Settlement (September 3, 1812), Morgan's Raid — Salem Indiana Skirmish.
How many historic places are in Washington?
10 sites are listed on the National Register of Historic Places in Washington, Indiana.
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