Lincoln County's 2026 population is estimated at 5,780, reflecting a 1.98% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lincoln County is the 37th largest county in Idaho. The 2010 population was 5,208 and has grown 10.98% since 2010.
Data after 2023 is projected based on recent change
Overall: 37.2 years
Female: 38.3 years
Male: 36.2 years
There are 3,965 adults, (825 of whom are seniors) in Lincoln County.
Female: 2,547 (47.5%)
Male: 2,811 (52.5%)
The racial composition of Lincoln County includes 63.85% White, 12.39% other race, 3.58% Native American, and smaller percentages for Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 3,421 | 63.85% |
| Two or more races | 1,034 | 19.3% |
| Other race | 664 | 12.39% |
| Native American | 192 | 3.58% |
| Black or African American | 30 | 0.56% |
| Asian | 17 | 0.32% |
Lincoln County 's average per capita income is $39,503. Household income levels show a median of $71,453. The poverty rate stands at 10.47%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $82,073 | - |
| Families | $79,076 | $90,617 |
| Households | $71,453 | $80,528 |
| Non Families | $37,619 | $51,384 |
Average Income
Median Household Income
Poverty Rate