Butte County's 2026 population is estimated at 2,711, reflecting a -0.44% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Butte County is the 42nd largest county in Idaho. The 2010 population was 2,914 and has grown -6.97% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.3 years
Female: 43.5 years
Male: 37.8 years
There are 2,024 adults, (544 of whom are seniors) in Butte County.
Female: 1,336 (49.8%)
Male: 1,348 (50.2%)
The racial composition of Butte County includes 91.54% White, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 2,457 | 91.54% |
| Two or more races | 190 | 7.08% |
| Other race | 17 | 0.63% |
| Native American | 12 | 0.45% |
| Native Hawaiian or Pacific Islander | 8 | 0.3% |
Butte County 's average per capita income is $36,497. Household income levels show a median of $53,015. The poverty rate stands at 19.25%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $84,559 | - |
| Families | $75,294 | $83,743 |
| Households | $53,015 | $68,255 |
| Non Families | $35,762 | $43,469 |
Average Income
Median Household Income
Poverty Rate
