Thurston County's estimated 2026 population is 306,390 with a growth rate of 0.7% in the past year according to the most recent United States census data. Thurston County is the 6th largest county in Washington. The 2010 population was 253,011 and has seen a growth of 21.1% since that time.
Data after 2023 is projected based on recent change
Overall: 40 years
Female: 41.2 years
Male: 38.6 years
There are 236,687 adults, (56,072 of whom are seniors) in Thurston County.
Female: 152,090 (50.9%)
Male: 146,977 (49.1%)
The racial composition of Thurston County includes 72.1% White, 6.13% Asian, 3.33% Black or African American, 3.32% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 215,637 | 72.1% |
| Two or more races | 38,751 | 12.96% |
| Asian | 18,347 | 6.13% |
| Black or African American | 9,947 | 3.33% |
| Other race | 9,925 | 3.32% |
| Native American | 3,375 | 1.13% |
| Native Hawaiian or Pacific Islander | 3,085 | 1.03% |
Thurston County's average per capita income is $60,722. Household income levels show a median of $96,563. The poverty rate stands at 9.55%.
Name | Median | Mean |
|---|---|---|
| Married Families | $127,162 | $146,666 |
| Families | $114,714 | $131,859 |
| Households | $96,563 | $114,140 |
| Non Families | $58,298 | $73,253 |
Average Income
Median Household Income
Poverty Rate