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Sweetwater County, Wyoming

Coordinates: 41°40′N 108°53′W / 41.66°N 108.89°W / 41.66; -108.89
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Sweetwater County
Rock Springs City Hall, 2007
Rock Springs City Hall, 2007
Flag of Sweetwater County
Map of Wyoming highlighting Sweetwater County
Location within the U.S. state of Wyoming
Map of the United States highlighting Wyoming
Wyoming's location within the U.S.
Coordinates: 41°40′N 108°53′W / 41.66°N 108.89°W / 41.66; -108.89
Country United States
State Wyoming
FoundedDecember 17, 1867
Named forSweetwater River
SeatGreen River
Largest cityRock Springs
 • Total10,491 sq mi (27,170 km2)
 • Land10,427 sq mi (27,010 km2)
 • Water64 sq mi (170 km2)  0.6%
 • Total42,272
 • Density4.0/sq mi (1.6/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Area code307
Congressional districtAt-large

Sweetwater County is a county in southwestern Wyoming, United States.[1] As of the 2020 census, 42,272 people lived there.[2] Its county seat is Green River.[3] Its southern boundary line abuts the north lines of the states of Colorado and Utah.

History[change | change source]

Sweetwater County was created on December 17, 1867.[4]

Geography[change | change source]

According to the US Census Bureau, the county has a total area of 10,491 square miles (27,170 km2), of which 10,427 square miles (27,010 km2) is land and 64 square miles (170 km2) (0.6%) is water.[5] It is the largest county in Wyoming by area.

Bordering counties[change | change source]

Communities[change | change source]

Cities[change | change source]

Towns[change | change source]

Census-designated places[change | change source]

Other unincorporated communities[change | change source]

  • Blairtown
  • Creston
  • Quealy
  • Red Desert
  • Riner

Ghost towns[change | change source]

References[change | change source]

  1. U.S. Geological Survey Geographic Names Information System: Sweetwater County
  2. "QuickFacts: Sweetwater County, Wyoming". United States Census Bureau. Retrieved January 21, 2024.
  3. "Find a County". National Association of Counties. Retrieved June 7, 2011.
  4. Long, John H. (2006). "Wyoming: Individual County Chronologies". Wyoming Atlas of Historical County Boundaries. The Newberry Library. Archived from the original on July 18, 2011. Retrieved September 1, 2011.
  5. "2010 Census Gazetteer Files". US Census Bureau. August 22, 2012. Retrieved August 18, 2015.

Other websites[change | change source]