Bannock County, Idaho - Wikipedia
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| Bannock County, Idaho | |
|---|---|
| County | |
 Bannock County Courthouse in Pocatello | |
 Seal | |
 Location within the U.S. state of Idaho | |
| Coordinates: 42°40′N 112°13′W / 42.67°N 112.22°W | |
| Country |  United States |
| State |  Idaho |
| Founded | March 6, 1893 |
| Named after | Bannock tribe |
| Seat | Pocatello |
| Largest city | Pocatello |
| Area | |
| • Total | 1,147 sq mi (2,970 km2) |
| • Land | 1,112 sq mi (2,880 km2) |
| • Water | 35 sq mi (91 km2) 3.1% |
| Population (2020) | |
| • Total | 87,018 |
| • Estimate (2024) | 91,010  |
| • Density | 76/sq mi (29/km2) |
| Time zone | UTC−7 (Mountain) |
| • Summer (DST) | UTC−6 (MDT) |
| Congressional district | 2nd |
| Website | www.bannockcounty.us |
Bannock County is a county in the southeastern part of Idaho. As of the 2020 census, the population was 87,018,[1] making it the sixth-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] It is one of the counties with territories included in the Fort Hall Indian Reservation of the federally recognized Shoshone-Bannock Tribes.
The county would get international attention in 2006 when the murder of Cassie Jo Stoddart occurred in a home located in the area.[4]
Geography
[edit]According to the United States 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.[5] 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 (2,826 m) ASL; on its western slopes is the Pebble Creek ski area.
Adjacent counties
[edit]- Bingham County - north
- Caribou County - east
- Franklin County - southeast
- Oneida County - southwest
- Power County - west
Highways
[edit]
- Interstate 15
- Interstate 86
- US 30
- US 91
- SH-40
National protected area
[edit]- Caribou National Forest (part)
Demographics
[edit]| Census | Pop. | Note | %± |
|---|---|---|---|
| 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% | |
| 2020 | 87,018 | 5.0% | |
| 2024 (est.) | 91,010 | [6] | 4.6% |
| U.S. Decennial Census[7]1790–1960,[8] 1900–1990,[9]1990–2000,[10] 2010–2020[1] | |||
Bannock County is part of the Pocatello, Idaho Metropolitan Statistical Area.
2020 census
[edit]As of the 2020 census, the county had a population of 87,018. The median age was 34.7 years. 26.0% of residents were under the age of 18 and 15.3% of residents were 65 years of age or older. For every 100 females there were 98.6 males, and for every 100 females age 18 and over there were 96.6 males age 18 and over.[11]
| Race / Ethnicity (NH = Non-Hispanic) | Pop 2000[12] | Pop 2010[13] | Pop 2020[14] | % 2000 | % 2010 | % 2020 |
|---|---|---|---|---|---|---|
| White alone (NH) | 67,636 | 71,566 | 70,447 | 89.51% | 86.39% | 80.96% |
| Black or African American alone (NH) | 411 | 591 | 688 | 0.54% | 0.71% | 0.79% |
| Native American or Alaska Native alone (NH) | 1,996 | 2,301 | 2,600 | 2.64% | 2.78% | 2.99% |
| Asian alone (NH) | 732 | 1,060 | 1,148 | 0.97% | 1.28% | 1.32% |
| Pacific Islander alone (NH) | 121 | 170 | 249 | 0.16% | 0.21% | 0.29% |
| Other race alone (NH) | 71 | 69 | 371 | 0.09% | 0.08% | 0.43% |
| Mixed race or Multiracial (NH) | 1,058 | 1,495 | 3,522 | 1.40% | 1.80% | 4.05% |
| Hispanic or Latino (any race) | 3,540 | 5,587 | 7,993 | 4.68% | 6.74% | 9.19% |
| Total | 75,565 | 82,839 | 87,018 | 100.00% | 100.00% | 100.00% |
The racial makeup of the county was 83.8% White, 0.9% Black or African American, 3.6% American Indian and Alaska Native, 1.4% Asian, 0.3% Native Hawaiian and Pacific Islander, 3.2% from some other race, and 6.9% from two or more races. Hispanic or Latino residents of any race comprised 9.2% of the population.[15]
83.0% of residents lived in urban areas, while 17.0% lived in rural areas.[16]
There were 32,438 households in the county, of which 33.0% had children under the age of 18 living with them and 24.4% had a female householder with no spouse or partner present. About 26.9% of all households were made up of individuals and 10.3% had someone living alone who was 65 years of age or older.[11]
There were 34,903 housing units, of which 7.1% were vacant. Among occupied housing units, 67.6% were owner-occupied and 32.4% were renter-occupied. The homeowner vacancy rate was 1.4% and the rental vacancy rate was 7.8%.[11]
2010 census
[edit]As of the 2010 census, there were 82,839 people, 30,682 households, and 20,836 families in the county.[17] The population density was 74.5 inhabitants per square mile (28.8/km2). There were 33,191 housing units at an average density of 29.8 per square mile (11.5/km2).[18] The racial makeup of the county was 89.8% white, 3.2% American Indian, 1.3% Asian, 0.8% black or African American, 0.2% Pacific Islander, 2.1% from other races, and 2.7% from two or more races. Those of Hispanic or Latino origin made up 6.7% of the population.[17] In terms of ancestry, 23.4% were English, 16.9% were German, 9.3% were Irish, and 7.0% were American.[19]
Of the 30,682 households, 35.5% had children under the age of 18 living with them, 52.2% were married couples living together, 10.7% had a female householder with no husband present, 32.1% were non-families, and 24.9% of all households were made up of individuals. The average household size was 2.64 and the average family size was 3.17. The median age was 31.4 years.[17]
The median income for a household in the county was $44,848 and the median income for a family was $54,650. Males had a median income of $43,538 versus $28,870 for females. The per capita income for the county was $21,275. About 10.6% of families and 14.0% of the population were below the poverty line, including 16.6% of those under age 18 and 4.2% of those aged 65 or over.[20]
2000 census
[edit]As of the 2000 census, there were 75,565 people, 27,192 households, and 19,224 families in the county. The population density was 68 inhabitants 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.
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.
The county population contained 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 aged 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 aged 65 or over.
Government and politics
[edit]The last Democratic candidate for President to win the county was Lyndon B. Johnson in 1964.[21] Subsequent Republican victories have been by smaller margins than those in the rest of Eastern Idaho, due to the presence of Idaho State University.
| Year | Republican | Democratic | Third party(ies) | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 1896 | 228 | 14.27% | 1,363 | 85.29% | 7 | 0.44% |
| 1900 | 1,684 | 51.58% | 1,581 | 48.42% | 0 | 0.00% |
| 1904 | 2,826 | 68.58% | 1,063 | 25.79% | 232 | 5.63% |
| 1908 | 2,690 | 56.75% | 1,892 | 39.92% | 158 | 3.33% |
| 1912 | 2,316 | 48.04% | 1,486 | 30.82% | 1,019 | 21.14% |
| 1916 | 2,950 | 40.10% | 4,084 | 55.52% | 322 | 4.38% |
| 1920 | 4,871 | 62.00% | 2,986 | 38.00% | 0 | 0.00% |
| 1924 | 4,520 | 44.99% | 1,612 | 16.05% | 3,914 | 38.96% |
| 1928 | 5,297 | 53.22% | 4,602 | 46.24% | 54 | 0.54% |
| 1932 | 4,676 | 35.81% | 8,271 | 63.34% | 112 | 0.86% |
| 1936 | 3,830 | 28.60% | 9,443 | 70.51% | 120 | 0.90% |
| 1940 | 5,419 | 34.05% | 10,493 | 65.94% | 1 | 0.01% |
| 1944 | 5,413 | 35.84% | 9,681 | 64.09% | 11 | 0.07% |
| 1948 | 5,580 | 35.86% | 9,679 | 62.20% | 301 | 1.93% |
| 1952 | 10,864 | 55.25% | 8,771 | 44.61% | 27 | 0.14% |
| 1956 | 10,476 | 53.51% | 9,101 | 46.49% | 0 | 0.00% |
| 1960 | 9,157 | 42.11% | 12,586 | 57.89% | 0 | 0.00% |
| 1964 | 7,825 | 36.72% | 13,483 | 63.28% | 0 | 0.00% |
| 1968 | 10,234 | 47.97% | 9,084 | 42.58% | 2,016 | 9.45% |
| 1972 | 12,856 | 57.93% | 7,840 | 35.33% | 1,495 | 6.74% |
| 1976 | 13,172 | 53.65% | 10,261 | 41.80% | 1,117 | 4.55% |
| 1980 | 18,477 | 61.88% | 8,639 | 28.93% | 2,743 | 9.19% |
| 1984 | 18,742 | 65.77% | 9,399 | 32.98% | 355 | 1.25% |
| 1988 | 14,986 | 52.40% | 13,074 | 45.71% | 541 | 1.89% |
| 1992 | 12,016 | 37.30% | 11,091 | 34.43% | 9,104 | 28.26% |
| 1996 | 14,058 | 44.80% | 12,806 | 40.81% | 4,513 | 14.38% |
| 2000 | 18,223 | 59.07% | 10,892 | 35.30% | 1,737 | 5.63% |
| 2004 | 21,479 | 61.64% | 12,903 | 37.03% | 462 | 1.33% |
| 2008 | 19,356 | 54.62% | 14,792 | 41.74% | 1,289 | 3.64% |
| 2012 | 21,010 | 59.14% | 13,214 | 37.20% | 1,299 | 3.66% |
| 2016 | 17,180 | 51.41% | 10,342 | 30.95% | 5,894 | 17.64% |
| 2020 | 23,331 | 58.65% | 14,682 | 36.91% | 1,770 | 4.45% |
| 2024 | 24,329 | 60.48% | 14,306 | 35.56% | 1,591 | 3.96% |
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.[23]
Like the rest of eastern Idaho, Bannock County has a significant Latter Day Saint population which tends to strongly 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.
At the state level, Bannock County is located in Legislative Districts 28 and 29.[24] Democrats currently control two of these six seats in the Idaho Legislature.[25] In 2016, Republicans were able to win House Seat A in District 29.
Idaho Department of Correction operates the Pocatello Women's Correctional Center (PWCC) in Pocatello and in Bannock County.[26]
Communities
[edit]Cities
[edit]- Arimo
- Chubbuck
- Downey
- Inkom
- Lava Hot Springs
- McCammon
- Pocatello
Census-designated places
[edit]- Fort Hall (part)
- Tyhee
Unincorporated communities
[edit]- Blackrock[27]
- Portneuf[28]
- Robin[29]
- Swanlake
- Virginia
- Zenda[30]
Education
[edit]School districts include:[31]
- Grace Joint School District 148
- Marsh Valley Joint School District 21
- Pocatello/Chubbuck School District 25
- Preston Joint School District 201
- West Side Joint School District 202
There is also a Bureau of Indian Education (BIE)-affiliated school, Shoshone Bannock Jr./Sr. High School.
See also
[edit]
Wikimedia Commons has media related to Bannock County, Idaho. 
Idaho portal- List of counties in Idaho
- National Register of Historic Places listings in Bannock County, Idaho
References
[edit]- ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved January 16, 2024.
- ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
- ^ Idaho.gov - Bannock County Archived August 10, 2009, at the Wayback Machine - accessed May 31, 2009
- ^ "The 'Scream' Murder of Cassie Jo Stoddart". Retrieved May 2, 2022.
- ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
- ^ "County Population Totals and Components of Change: 2020-2024". United States Census Bureau. Retrieved May 17, 2025.
- ^ "U.S. Decennial Census". United States Census Bureau. Retrieved June 28, 2014.
- ^ "Historical Census Browser". University of Virginia Library. Retrieved June 28, 2014.
- ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved June 28, 2014.
- ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Archived (PDF) from the original on March 27, 2010. Retrieved June 28, 2014.
- ^ a b c "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved December 20, 2025.
- ^ "P004: Hispanic or Latino, and Not Hispanic or Latino by Race – 2000: DEC Summary File 1 – Bannock County, Idaho". United States Census Bureau. Retrieved February 10, 2026.
- ^ "P2 Hispanic or Latino, and Not Hispanic or Latino by Race – 2010: DEC Redistricting Data (PL 94-171) - Bannock County, Idaho". United States Census Bureau. Retrieved February 10, 2026.
- ^ "P2 Hispanic or Latino, and Not Hispanic or Latino by Race – 2020: DEC Redistricting Data (PL 94-171) - Bannock County, Idaho". United States Census Bureau. Retrieved February 10, 2026.
- ^ "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved December 20, 2025.
- ^ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved December 20, 2025.
- ^ a b c "Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved January 4, 2016.
- ^ "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved January 4, 2016.
- ^ "Selected Social Characteristics in the US – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved January 4, 2016.
- ^ "Selected Economic Characteristics – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Archived from the original on February 13, 2020. Retrieved January 4, 2016.
- ^ Dave Leip's Atlas of US Presidential Elections
- ^ Leip, David. "Atlas of US Presidential Elections". uselectionatlas.org. Retrieved November 18, 2025.
- ^ Bannock County Elections
- ^ Idaho Legislative District Map Archived November 17, 2011, at the Wayback Machine
- ^ Idaho Legislative Districts Archived November 10, 2008, at the Wayback Machine
- ^ Static Printable Map of Pocatello & Chubbuck Archived September 27, 2011, at the Wayback Machine. City of Pocatello. Retrieved June 4, 2011.
- ^ Blackrock ID Google Maps (accessed January 16, 2019)
- ^ Portneuf ID Google Maps (accessed January 16, 2019)
- ^ Robin ID Google Maps (accessed January 16, 2019)
- ^ Zenda ID Google Maps (accessed January 16, 2019)
- ^ "2020 CENSUS - SCHOOL DISTRICT REFERENCE MAP: Bannock County, ID" (PDF). United States Census Bureau. Archived (PDF) from the original on July 21, 2021. Retrieved July 21, 2022. - Text list
Further reading
[edit]- The History of Bannock County, Idaho (1915)
External links
[edit]- County website
- Chisholm, Hugh, ed. (1911). "Bannock" . Encyclopædia Britannica. Vol. 3 (11th ed.). Cambridge University Press. p. 354.
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42°40′N 112°13′W / 42.67°N 112.22°W
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