Lincoln County's 2026 population is estimated at 12,066, reflecting a 0.85% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lincoln County is the 35th largest county in Washington. The 2010 population was 10,572 and has grown 14.13% since 2010.
Data after 2023 is projected based on recent change
Overall: 46.9 years
Female: 47.1 years
Male: 46.6 years
There are 8,984 adults, (3,012 of whom are seniors) in Lincoln County.
Female: 5,635 (49%)
Male: 5,854 (51%)
The racial composition of Lincoln County includes 90.11% White, and smaller percentages for Native American, other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 10,353 | 90.11% |
| Two or more races | 617 | 5.37% |
| Native American | 218 | 1.9% |
| Other race | 147 | 1.28% |
| Black or African American | 68 | 0.59% |
| Asian | 54 | 0.47% |
| Native Hawaiian or Pacific Islander | 32 | 0.28% |
Lincoln County 's average per capita income is $49,043. Household income levels show a median of $71,512. The poverty rate stands at 12.46%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $98,088 | - |
| Families | $87,339 | $108,901 |
| Households | $71,512 | $92,521 |
| Non Families | $41,757 | $56,667 |
Average Income
Median Household Income
Poverty Rate