Wyoming

Sweetwater

42,272
2020 population
1870
first census record
16
census records

About Sweetwater

Sweetwater, Wyoming, first appears in the United States federal census in 1870, when it recorded a population of 1,916. At the most recent census, in 2020, its population stood at 42,272.

Its recorded population peaked at 43,806 in 2010, and has since declined by roughly 4 percent.

On the ground today, 3 documented military engagements have been recorded within the county, among them Chinese Exclusion Riots — Rock Springs Wyoming 1885, Anti-Chinese Riot Rock Springs Wyoming, Wild Bunch at Tipton Train Robbery, and 37 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202042,272
201043,806
200037,613
199038,823
198041,723
197018,391
196017,920
195022,017
194019,407
193018,165
192013,640
191011,575
19008,455
18904,941
18802,561
18701,916
Source

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

Battles & engagements in Sweetwater

Military engagements that took place in Sweetwater, Wyoming.

Chinese Exclusion Riots — Rock Springs Wyoming 1885
1885
Anti-Chinese Riot Rock Springs Wyoming
1885
Wild Bunch at Tipton Train Robbery
1900

Historic places in Sweetwater

National Register of Historic Places listings in Sweetwater, Wyoming.

Point of Rocks Stage Station
Rock Springs
Reliance Tipple
Reliance
Red Rock
Rawlins
ETR Big Island Bridge
Green River
Slovenski Dom
Rock Springs
Reliance School and Gymnasium
Reliance
Saints Cyril and Methodius Catholic Church and Rectory
Rock Springs
Rock Springs Elks' Lodge No. 624
Rock Springs
City Hall
Rock Springs
Downtown Rock Springs Historic District
Rock Springs
Expedition Island
Green River
Parting of the Ways
Farson
US Post Office-Green River
Green River
Tolar Petroglyph Site
Point of Rocks
Stewart, Elinore Pruitt, Homestead
McKinnon
Our Lady Sorrows Catholic Church
Rock Springs
Laclede Station Ruin
Rock Springs
First National Bank Building
Rock Springs
Finley Site, The
Eden
Sweetwater Brewery
Green River
South Superior Union Hall
South Superior
ETD Bridge over Green River
Fontenelle
Araphoe and Lost Creek Site (48SW4882)
Hadsell Cabin
Natural Corrals Archeological Site (48SW336)
South Superior
Browse all Wyominghistoric sites ›

Other counties in Wyoming

Explore census history and historic records for more Wyoming counties.

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Everything a full report reveals about Sweetwater County, Wyoming

This page charts the census history of Sweetwater County, Wyoming. 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 Sweetwater

When does Sweetwater first appear in the US census?
Sweetwater, Wyoming first appears in the federal census in 1870, with a recorded population of 1,916.
What is the population of Sweetwater?
At the most recent federal census (2020), Sweetwater had a recorded population of 42,272.
When did Sweetwater's population peak?
Sweetwater's recorded population peaked at 43,806 in 2010.
Were any battles fought in Sweetwater?
3 documented military engagements took place in Sweetwater, including Chinese Exclusion Riots — Rock Springs Wyoming 1885, Anti-Chinese Riot Rock Springs Wyoming, Wild Bunch at Tipton Train Robbery.
How many historic places are in Sweetwater?
37 sites are listed on the National Register of Historic Places in Sweetwater, Wyoming.
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