Minnesota

Washington

267,568
2020 population
1850
first census record
18
census records

About Washington

Washington, Minnesota, first appears in the United States federal census in 1850, when it recorded a population of 1,056. At the most recent census, in 2020, its population stood at 267,568.

The county's recorded population has risen across the decades to its highest level in 2020.

On the ground today, one documented military engagement has been recorded within the county, among them Silvernale Site Conflict – Minnesota, and 43 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020267,568
2010238,136
2000201,130
1990145,896
1980113,571
197082,948
196052,432
195034,544
194026,430
193024,753
192023,761
191026,013
190027,808
189025,992
188019,563
187011,809
18606,123
18501,056
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, Minnesota.

Silvernale Site Conflict – Minnesota
1100

Historic places in Washington

National Register of Historic Places listings in Washington, Minnesota.

Marine Mill Site
Marine on St. Croix
Cushing Hotel
Afton
Nelson School
Stillwater
St. Croix Boom Site
Stillwater
Copas, John, House
Marine on St. Croix
Jenks, Capt. Austin, House
Stillwater
Gilbert, Newington, House
Afton
Sauntry, William, House and Recreation Hall
Stillwater
Bridge No. 5721 (Bridge No. 82524)
Stillwater Township
Spangenberg, Charles, Farmstead
Woodbury
Minnesota Territorial-State Prison Warden's House
Stillwater
Furber, John P., House
Cottage Grove
Chicago, Milwaukee and St. Paul Freight House
Stillwater
Point Douglas-St. Louis River Road Bridge
Stillwater
Severance, Cordenio, House
Cottage Grove
Washington County Courthouse
Stillwater
McKusick, Ivory, House
Stillwater
Lammers, Albert, House
Stillwater
Erickson, Johannes, House
Scandia
Schilling Archeological District
Cottage Grove
Bergstein, Moritz, Shoddy Mill and Warehouse
Stillwater
Pest House
Stillwater
Stillwater Commercial Historic District
Stillwater
Mower, John and Martin, House and Arcola Mill Site
Stillwater
Browse all Minnesotahistoric sites ›

Other counties in Minnesota

Explore census history and historic records for more Minnesota counties.

RedwoodRenvilleRiceRockRoseauScottSherburneSibleySt. LouisStearnsSteeleStevensSwiftToddTraverseWabashaWadenaWahnataWasecaWatonwan
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Everything a full report reveals about Washington County, Minnesota

This page charts the census history of Washington County, Minnesota. 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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Minnesotahistory ›NRHP historic sites ›Notable people from Minnesota›

Frequently asked about Washington

When does Washington first appear in the US census?
Washington, Minnesota first appears in the federal census in 1850, with a recorded population of 1,056.
What is the population of Washington?
At the most recent federal census (2020), Washington had a recorded population of 267,568.
Were any battles fought in Washington?
1 documented military engagement took place in Washington, including Silvernale Site Conflict – Minnesota.
How many historic places are in Washington?
43 sites are listed on the National Register of Historic Places in Washington, Minnesota.
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