Latah County's 2026 population is estimated at 43,158, reflecting a 1.15% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Latah County is the 10th largest county in Idaho. The 2010 population was 37,258 and has grown 15.84% since 2010.
Data after 2023 is projected based on recent change
Overall: 30.6 years
Female: 31.3 years
Male: 29.8 years
There are 33,301 adults, (6,078 of whom are seniors) in Latah County.
Female: 20,008 (48.7%)
Male: 21,041 (51.3%)
The racial composition of Latah County includes 86.8% White, and smaller percentages for Asian, other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 35,630 | 86.8% |
| Two or more races | 3,114 | 7.59% |
| Asian | 870 | 2.12% |
| Other race | 705 | 1.72% |
| Black or African American | 401 | 0.98% |
| Native American | 206 | 0.5% |
| Native Hawaiian or Pacific Islander | 123 | 0.3% |
Latah County 's average per capita income is $46,598. Household income levels show a median of $65,424. The poverty rate stands at 17.64%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $99,260 | - |
| Families | $89,048 | $116,298 |
| Households | $65,424 | $88,649 |
| Non Families | $37,672 | $46,690 |
Average Income
Median Household Income
Poverty Rate
