Minidoka County's 2026 population is estimated at 23,021, reflecting a 0.72% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Minidoka County is the 18th largest county in Idaho. The 2010 population was 20,084 and has grown 14.62% since 2010.
Data after 2023 is projected based on recent change
Overall: 34.9 years
Female: 34.8 years
Male: 35.3 years
There are 15,943 adults, (3,576 of whom are seniors) in Minidoka County.
Female: 10,994 (49.5%)
Male: 11,214 (50.5%)
The racial composition of Minidoka County includes 67.02% White, 12.96% other race, and smaller percentages for Native American, Asian, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 14,884 | 67.02% |
| Two or more races | 3,922 | 17.66% |
| Other race | 2,879 | 12.96% |
| Native American | 407 | 1.83% |
| Asian | 94 | 0.42% |
| Black or African American | 22 | 0.1% |
Minidoka County 's average per capita income is $44,975. Household income levels show a median of $70,377. The poverty rate stands at 14.54%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $92,115 | - |
| Families | $82,615 | $100,679 |
| Households | $70,377 | $87,232 |
| Non Families | $32,055 | $47,082 |
Average Income
Median Household Income
Poverty Rate
