Thurston County's estimated 2026 population is 309,698 with a growth rate of 1.11% 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 22.4% since that time.
Data after 2023 is projected based on recent change
The racial composition of Thurston County includes 74.08% White, 5.8% Asian, 3.32% Black or African American, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
White (74.08%)
Two or more races (12.04%)
Asian (5.8%)
Black or African American (3.32%)
Other race (2.56%)
Native American (1.16%)
Native Hawaiian or Pacific Islander (1.04%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 219,738 | 74.08% |
| Two or more races | 35,722 | 12.04% |
| Asian | 17,198 | 5.8% |
| Black or African American | 9,863 | 3.32% |
| Other race | 7,603 | 2.56% |
| Native American | 3,444 | 1.16% |
| Native Hawaiian or Pacific Islander | 3,072 | 1.04% |
Married
Widowed
Divorced
Separated
Never Married
Thurston County's average per capita income is $58,054. Household income levels show a median of $93,985. The poverty rate stands at 9.67%.
Name | Median | Mean |
|---|---|---|
| Married Families | $122,749 | $142,768 |
| Families | $111,908 | $128,742 |
| Households | $93,985 | $111,383 |
| Non Families | $57,214 | $71,574 |
Average Income
Median Household Income
Poverty Rate