Utah

Washington

180,279
2020 population
1860
first census record
17
census records

About Washington

Washington, Utah, first appears in the United States federal census in 1860, when it recorded a population of 691. At the most recent census, in 2020, its population stood at 180,279.

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

On the ground today, 2 documented military engagements have been recorded within the county, among them Mountain Meadows Massacre, Mountain Meadows Massacre (September 11, 1857), and 86 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020180,279
2010138,115
200090,354
199048,560
198026,065
197013,669
196010,271
19509,836
19409,269
19307,420
19206,764
19105,123
19004,612
18904,009
18804,235
18703,064
1860691
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, Utah.

Mountain Meadows Massacre
1857
Mountain Meadows Massacre (September 11, 1857)
1857

Historic places in Washington

National Register of Historic Places listings in Washington, Utah.

St. George Temple
St. George
Deseret Telegraph and Post Office
Rockville
Young, Brigham, Winter Home and Office
St. George
Hafen, Hans George, House
Santa Clara
Steele, John, House
Toquerville
St. George Social Hall
St. George
Washington School
Washington
St. George Tabernacle
St. George
Washington Cotton Factory
Washington
Hurricane-LaVerkin Bridge
Hurricane
Floor of the Valley Road
Springdale
Old Washington County Courthouse
St. George
Forsyth, Thomas, House
Toquerville
Hamblin, Jacob, House
Santa Clara
Zion-Mount Carmel Highway
Springdale
Covington, Robert D., House
Washington
Judd, Thomas, House
St. George
Main Building of Dixie College
St. George
Naegle Winery
Toquerville
Woodward School
St. George
Zion Lodge-Birch Creek Historic District (Boundary Increase)
Springdale
Zion Lodge Historic District
Springdale
St. George Elementary School
St. George
Butler, William F., House
St. George
Browse all Utahhistoric sites ›

Other counties in Utah

Explore census history and historic records for more Utah counties.

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Everything a full report reveals about Washington County, Utah

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

Frequently asked about Washington

When does Washington first appear in the US census?
Washington, Utah first appears in the federal census in 1860, with a recorded population of 691.
What is the population of Washington?
At the most recent federal census (2020), Washington had a recorded population of 180,279.
Were any battles fought in Washington?
2 documented military engagements took place in Washington, including Mountain Meadows Massacre, Mountain Meadows Massacre (September 11, 1857).
How many historic places are in Washington?
86 sites are listed on the National Register of Historic Places in Washington, Utah.
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