Bannock County's 2026 population is estimated at 91,860, reflecting a 0.46% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Bannock County is the 6th largest county in Idaho. The 2010 population was 83,026 and has grown 10.64% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.2 years
Female: 35.7 years
Male: 34.5 years
There are 66,985 adults, (13,708 of whom are seniors) in Bannock County.
Female: 44,604 (49.9%)
Male: 44,850 (50.1%)
The racial composition of Bannock County includes 83.1% White, 4.31% other race, and smaller percentages for Native American, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 74,335 | 83.1% |
| Two or more races | 6,491 | 7.26% |
| Other race | 3,851 | 4.31% |
| Native American | 2,300 | 2.57% |
| Asian | 1,412 | 1.58% |
| Black or African American | 832 | 0.93% |
| Native Hawaiian or Pacific Islander | 233 | 0.26% |
Bannock County 's average per capita income is $44,568. Household income levels show a median of $66,499. The poverty rate stands at 12.3%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $99,848 | $119,896 |
| Families | $89,507 | $107,195 |
| Households | $66,499 | $87,434 |
| Non Families | $37,280 | $50,781 |
Average Income
Median Household Income
Poverty Rate