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Teton County, Idaho facts for kids

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Teton County
Teton County Courthouse
Teton County Courthouse
Official seal of Teton County
Map of Idaho highlighting Teton County
Location within the U.S. state of Idaho
Map of the United States highlighting Idaho
Idaho's location within the U.S.
Country  United States
State  Idaho
Founded January 26, 1915
Named for The Teton Mountains
Seat Driggs
Largest city Victor
 • Total 451 sq mi (1,170 km2)
 • Land 449 sq mi (1,160 km2)
 • Water 1.1 sq mi (3 km2)  0.2%
 • Total 11,630 Increase
 • Density 26/sq mi (10/km2)
Time zone UTC−7 (Mountain)
 • Summer (DST) UTC−6 (MDT)
Congressional district 2nd

Teton County is a county located in the U.S. state of Idaho. As of the 2020 census, the population was 11,630. The county seat is Driggs, and the largest city is Victor. The county was established in 1915 and was named after the Teton Mountains to the east.

Teton County is part of the Jackson, WY-ID Micropolitan Statistical Area.

The Teton Valley was discovered by John Colter in 1808, a member of the Lewis and Clark Expedition (1804–06). It became known as Pierre's Hole, and it hosted the well-attended 1832 Rendezvous, which was followed by the Battle of Pierre's Hole.


According to the U.S. Census Bureau, the county has a total area of 451 square miles (1,170 km2), of which 449 square miles (1,160 km2) is land and 1.1 square miles (2.8 km2) (0.2%) is water. It is the second-smallest county in Idaho by area.

Adjacent counties

Teton County, Idaho and Teton County, Wyoming are two of twenty-two counties or parishes in the United States with the same name to border each other across state lines. The others are Big Horn County, Montana and Big Horn County, Wyoming; Bristol County, Massachusetts and Bristol County, Rhode Island; Escambia County, Alabama and Escambia County, Florida; Kent County, Delaware and Kent County, Maryland; Park County, Montana and Park County, Wyoming; Pike County, Illinois and Pike County, Missouri; Sabine County, Texas and Sabine Parish, Louisiana; San Juan County, New Mexico and San Juan County, Utah; Union Parish, Louisiana and Union County, Arkansas; and Vermilion County, Illinois and Vermillion County, Indiana (both these counties are named for the Vermilion River, despite their different spellings).

Major highways

  • ID-31.svg SH-31
  • ID-32.svg SH-32
  • ID-33.svg SH-33

National protected area

  • Targhee National Forest (part)


Historical population
Census Pop.
1920 3,921
1930 3,573 −8.9%
1940 3,601 0.8%
1950 3,204 −11.0%
1960 2,639 −17.6%
1970 2,351 −10.9%
1980 2,897 23.2%
1990 3,439 18.7%
2000 5,999 74.4%
2010 10,170 69.5%
2020 11,630 14.4%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2020 2020

2010 census

As of the 2010 United States Census, there were 10,170 people, 3,651 households, and 2,509 families living in the county. The population density was 22.6 inhabitants per square mile (8.7/km2). There were 5,478 housing units at an average density of 12.2 per square mile (4.7/km2). The racial makeup of the county was 85.6% white, 0.5% Asian, 0.3% American Indian, 0.2% black or African American, 0.1% Pacific islander, 11.7% from other races, and 1.5% from two or more races. Those of Hispanic or Latino origin made up 16.9% of the population. In terms of ancestry, 29.9% were English, 20.3% were German, 13.0% were Irish, and 4.2% were American.

Of the 3,651 households, 39.3% had children under the age of 18 living with them, 58.9% were married couples living together, 5.9% had a female householder with no husband present, 31.3% were non-families, and 21.9% of all households were made up of individuals. The average household size was 2.78 and the average family size was 3.33. The median age was 33.2 years.

The median income for a household in the county was $53,364 and the median income for a family was $56,791. Males had a median income of $39,865 versus $31,966 for females. The per capita income for the county was $23,633. About 5.4% of families and 7.4% of the population were below the poverty line, including 7.8% of those under age 18 and 2.2% of those age 65 or over.



The public schools are operated by Teton School District #401, led by the county's only traditional high school, Teton High School, in Driggs.

See also

Kids robot.svg In Spanish: Condado de Teton (Idaho) para niños

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