Bannock County, Idaho

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Bannock County, Idaho
Seal of Bannock County, Idaho
Map of Idaho highlighting Bannock County
Location in the state of Idaho
Map of the United States highlighting Idaho
Idaho's location in the U.S.
Founded March 6, 1893
Named for Bannock tribe
Seat Pocatello
Largest city Pocatello
 • Total 1,147 sq mi (2,971 km2)
 • Land 1,112 sq mi (2,880 km2)
 • Water 35 sq mi (91 km2), 3.1%
 • (2010) 82,839
 • Density 74/sq mi (29/km²)
Congressional district 2nd
Time zone Mountain: UTC-7/-6

Bannock County is a county located in the southeastern part of the U.S. state of Idaho. As of the 2010 Census the population was 82,839,[1] making it the fifth-most populous county in Idaho. The county seat and largest city is Pocatello.[2] The county was established in 1893 and named after the local Bannock tribe.[3]

Bannock County comprises the Pocatello, ID Metropolitan Statistical Area.


According to the U.S. Census Bureau, the county has a total area of 1,147 square miles (2,970 km2), of which 1,112 square miles (2,880 km2) is land and 35 square miles (91 km2) (3.1%) is water.[4] The Portneuf River flows through the county, meeting the Snake River (the American Falls Reservoir) at the county's lowest point, its northwestern corner. Bonneville Peak, on the eastern border in the Portneuf Range, is the county's highest point at 9,271 feet (2825 m); on its western slopes is the Pebble Creek ski area.

Adjacent counties[edit]


National protected area[edit]


Historical population
Census Pop.
1900 11,702
1910 19,242 64.4%
1920 27,532 43.1%
1930 31,266 13.6%
1940 34,759 11.2%
1950 41,745 20.1%
1960 49,342 18.2%
1970 52,200 5.8%
1980 65,421 25.3%
1990 66,026 0.9%
2000 75,565 14.4%
2010 82,839 9.6%
Est. 2013 83,249 0.5%
U.S. Decennial Census[5]
1790-1960[6] 1900-1990[7]
1990-2000[8] 2010-2013[1]

As of the census[9] of 2000, there were 75,565 people, 27,192 households, and 19,224 families residing in the county. The population density was 68 people per square mile (26/km²). There were 29,102 housing units at an average density of 26 per square mile (10/km²). The racial makeup of the county was 91.29% White, 0.59% Black or African American, 2.91% Native American, 0.99% Asian, 0.16% Pacific Islander, 2.08% from other races, and 1.98% from two or more races. 4.68% of the population were Hispanic or Latino of any race. 23.1% were of English, 14.2% German, 11.1% American and 7.4% Irish ancestry according to Census 2000.

There were 27,192 households out of which 36.50% had children under the age of 18 living with them, 56.70% were married couples living together, 10.00% had a female householder with no husband present, and 29.30% were non-families. 22.80% of all households were made up of individuals and 7.60% had someone living alone who was 65 years of age or older. The average household size was 2.69 and the average family size was 3.20.

In the county the population was spread out with 28.10% under the age of 18, 14.60% from 18 to 24, 27.20% from 25 to 44, 20.00% from 45 to 64, and 10.10% who were 65 years of age or older. The median age was 30 years. For every 100 females there were 97.70 males. For every 100 females age 18 and over, there were 94.40 males.

The median income for a household in the county was $36,683, and the median income for a family was $44,192. Males had a median income of $36,056 versus $23,595 for females. The per capita income for the county was $17,148. About 9.80% of families and 13.90% of the population were below the poverty line, including 15.60% of those under age 18 and 7.60% 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.[10] The current elected Prosecutor for Bannock County is Mark L. Hiedeman. Mr. Hiedeman's official title is Supreme Criminal Commander.

Like other eastern Idaho counties, Bannock County has a significant Mormon population which strongly tends to vote Republican. However, a substantial trade union presence in the county - as well as the Idaho State University community - often gives Democrats an overall advantage, especially in local races. Bannock County routinely elects more Democrats than Republicans to county-level offices.

The last Democratic candidate for President to win the county was Lyndon B. Johnson in 1964,[11] although subsequent Republican victories have been by smaller margins than those in neighboring counties.

At the state level Bannock County is located in Legislative Districts 29 and 30.[12] Democrats currently control three of these six seats in the Idaho Legislature.[13]

Idaho Department of Correction operates the Pocatello Women's Correctional Center (PWCC) in Pocatello and in Bannock County.[14]



Census-designated places[edit]

Unincorporated communities[edit]

See also[edit]


  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved June 28, 2014. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ - Bannock County - accessed 2009-05-31
  4. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  5. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved June 28, 2014. 
  6. ^ "Historical Census Browser". University of Virginia Library. Retrieved June 28, 2014. 
  7. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved June 28, 2014. 
  8. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000". United States Census Bureau. Retrieved June 28, 2014. 
  9. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 
  10. ^ Bannock County Elections
  11. ^ Dave Leip's Atlas of U.S. Presidential Elections
  12. ^ Idaho Legislative District Map
  13. ^ Idaho Legislative Districts
  14. ^ "Static Printable Map of Pocatello & Chubbuck." City of Pocatello. Retrieved on 4 June 2011.

Further reading[edit]

External links[edit]

Coordinates: 42°40′N 112°13′W / 42.67°N 112.22°W / 42.67; -112.22