Teton County, Wyoming

Teton County
Teton County
County
	George Washington Memorial Park (Jackson, Wyoming)
	Flag
	Location within the U.S. state of Wyoming
	Wyoming's location within the U.S.
	Coordinates: 43°55′N 110°34′W / 43.92°N 110.57°W
Country	United States
State	Wyoming
Founded	February 15, 1921 (authorized); 1922 (organized)
Named for	Teton Range
Seat	Jackson
Largest town	Jackson
Area
• Total	4,216 sq mi (10,920 km2)
• Land	3,995 sq mi (10,350 km2)
• Water	221 sq mi (570 km2) 5.2%
Population (2020)
• Total	23,331
• Density	5.5/sq mi (2.1/km2)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	At-large
Website	www.tetonwyo.org

Teton County is a county in the U.S. state of Wyoming. As of the 2020 United States Census, the population was 23,331.^[1] Its county seat is Jackson.^[2] Its west boundary line is also the Wyoming state boundary shared with Idaho and the southern tip of Montana. Teton County is part of the Jackson, WY-ID Micropolitan Statistical Area.

Teton County contains the Jackson Hole ski area, all of Grand Teton National Park, and 40.4% of Yellowstone National Park's total area, including over 96.6% of its water area (largely in Yellowstone Lake).^[3]

^ "HISTORICAL DECENNIAL CENSUS POPULATION FOR WYOMING COUNTIES, CITIES, AND TOWNS". Wyoming Economic Analysis Division. Retrieved August 16, 2021.
^ "Find a County". National Association of Counties. Retrieved January 7, 2011.
^ "U.S. Census website". US Census Bureau. Retrieved April 30, 2008.