How many people live in Bannock County, ID?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 91,000 people living in Bannock County, ID. That makes Bannock County the sixth-most populous county in Idaho. It is home to 4.5% of people living in the state.
91K
population of Bannock County, ID (2024)
4.5%
County share of the Idaho population (2024)
About 91,000 people lived in Bannock County, ID in 2024.
Population estimates, 2000–2024
What are Bannock County, ID’s age demographics?
About 14,500 Bannock County, ID residents are aged 65 and older in 2024. That represents 16% of its population. For comparison, the age group represents 17.7% of Idaho’s population and 18% in the US overall.
Another 22,100 Bannock County residents, or 24.3% of the population, were children under 18. For comparison, the age group represents 23.4% of Idaho’s population and 21.6% in the US overall.
A lower share of Bannock County, ID's population is aged 45–64 than the US as a whole.
Population estimates by age group, (2024)
What are Bannock County, ID’s racial and ethnic demographics?
Non-Hispanic white residents make up 81.1% of the Bannock County population, higher than the national share of 57.5%. Bannock County also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (2.7%) than the US overall (0.72%).
In contrast, Bannock County’s non-Hispanic Black or African American population accounts for 0.98%, below the 12.6% nationwide, and the Hispanic population makes up 10.6% of the county, compared with 20% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Bannock County, ID has a higher share of a non-Hispanic American Indian and Alaska Native population than Idaho as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Bannock County, ID is Pocatello with about 58,200 residents in 2024.
Cities and towns in Bannock County, ID ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Pocatello (pt.) | 58,231 |
| 2. | Chubbuck | 16,577 |
| 3. | Inkom | 843 |
| 4. | McCammon | 824 |
| 5. | Downey | 580 |
| 6. | Lava Hot Springs | 375 |
| 7. | Arimo | 363 |
| 8. | Balance of Bannock County | 13,217 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
