Power County's 2026 population is estimated at 8,541, reflecting a 0.95% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Power County is the 33rd largest county in Idaho. The 2010 population was 7,873 and has grown 8.48% since 2010.
Data after 2023 is projected based on recent change
Overall: 34.6 years
Female: 35.5 years
Male: 33.5 years
There are 5,710 adults, (1,381 of whom are seniors) in Power County.
Female: 3,900 (48%)
Male: 4,233 (52%)
The racial composition of Power County includes 62.62% White, 21.98% other race, and smaller percentages for Native American, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 5,093 | 62.62% |
| Other race | 1,788 | 21.98% |
| Two or more races | 1,097 | 13.49% |
| Native American | 119 | 1.46% |
| Black or African American | 36 | 0.44% |
Power County 's average per capita income is $36,518. Household income levels show a median of $61,146. The poverty rate stands at 9.47%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $74,395 | - |
| Families | $71,750 | $82,868 |
| Households | $61,146 | $75,933 |
| Non Families | $35,540 | $49,212 |
Average Income
Median Household Income
Poverty Rate