Teton County, Idaho

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Not to be confused with Teton, Idaho.
Teton County, Idaho
Teton County Courthouse, Driggs, Idaho.jpg
Former Teton County Courthouse, Driggs
Seal of Teton County, Idaho
Map of Idaho highlighting Teton County
Location in the state of Idaho
Map of the United States highlighting Idaho
Idaho's location in the U.S.
Founded January 26, 1915
Named for The Teton Mountains
Seat Driggs
Largest city Victor
 • Total 451 sq mi (1,168 km2)
 • Land 449 sq mi (1,163 km2)
 • Water 1.1 sq mi (3 km2), 0.2%
 • (2010) 10,170
 • Density 23/sq mi (9/km²)
Congressional district 2nd
Time zone Mountain: UTC-7/-6
Website tetoncountyidaho.gov

Teton County is a county located in the U.S. state of Idaho. As of the 2010 census, the population was 10,170.[1] The county seat is Driggs,[2] and the largest city is Victor. The county was established in 1915 and was named after the Teton Mountains to the east.[3]

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.[4] It is the second-smallest county in Idaho by area.

Adjacent counties[edit]

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[edit]

National protected area[edit]


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%
Est. 2014 10,341 [5] 1.7%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2013[1]

As of the census[10] of 2000, there were 5,999 people, 2,078 households, and 1,464 families residing in the county. The population density was 13 people per square mile (5/km²). There were 2,632 housing units at an average density of 6 per square mile (2/km²). The racial makeup of the county was 91.32% White, 0.17% Black or African American, 0.55% Native American, 0.18% Asian, 0.23% Pacific Islander, 6.73% from other races, and 0.82% from two or more races. 11.75% of the population were Hispanic or Latino of any race. 25.5% were of English, 15.8% German, 7.6% American and 5.1% Irish ancestry according to Census 2000.

There were 2,078 households out of which 39.70% had children under the age of 18 living with them, 60.30% were married couples living together, 5.80% had a female householder with no husband present, and 29.50% were non-families. 21.30% of all households were made up of individuals and 5.30% had someone living alone who was 65 years of age or older. The average household size was 2.87 and the average family size was 3.43.

In the county the population was spread out with 31.80% under the age of 18, 8.10% from 18 to 24, 33.80% from 25 to 44, 18.90% from 45 to 64, and 7.50% who were 65 years of age or older. The median age was 31 years. For every 100 females there were 112.70 males. For every 100 females age 18 and over, there were 114.50 males.

The median income for a household in the county was $41,968, and the median income for a family was $45,848. Males had a median income of $32,309 versus $22,243 for females. The per capita income for the county was $17,778. About 9.70% of families and 12.90% of the population were below the poverty line, including 18.10% of those under age 18 and 7.90% of those age 65 or over.

Government and politics[edit]

Similar to other Idaho counties, an elected three-member county commission heads the county government. Other elected officials include clerk, treasurer, sheriff, assessor, coroner, and prosecutor.[11]

Until quite recently Teton County voted Republican along with most other Eastern Idaho counties. However, since 2004 the county has strongly trended towards the Democratic Party. In 2008 it was one of three Idaho counties to vote for Barack Obama in the 2008 presidential election[12] despite giving George W. Bush a 23-point victory only four years earlier.[13]

At the state level Teton County is located in District 31 of the Idaho Legislature.[14] As counties neighboring Teton County are still strongly Republican, Republicans currently control the district.[15]


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[edit]


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved July 1, 2014. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "Teton County". State of Idaho. Retrieved 2009-05-29. 
  4. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  5. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  6. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 1, 2014. 
  7. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 1, 2014. 
  8. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 1, 2014. 
  9. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 1, 2014. 
  10. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  11. ^ Teton County Idaho
  12. ^ 2008 - General Election Teton County
  13. ^ 2004 Presidential General Election Data Graphs - Idaho
  14. ^ Idaho Legislative District Map
  15. ^ Idaho Legislative Districts

External links[edit]

Coordinates: 43°45′N 111°13′W / 43.75°N 111.21°W / 43.75; -111.21