Thurston County, Washington Age & Gender Distribution (2024)
Population distribution by age and gender for Thurston County, Washington
Thurston County, Washington Age & Gender Statistics (2024)
Total Population
299,067
Median Age
40.0
Male Median
38.6
Female Median
41.2
Thurston County, Washington Population Growth
Thurston County, Washington Demographic Trend
Since 2010, the population of has changed by +22.8%%.
+22.8%% Growth
Thurston County, Washington Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Thurston County, Washington Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 40.0 | 299,067 |
| 2023 | 39.8 | 296,640 |
| 2022 | 39.5 | 294,272 |
| 2021 | 39.3 | 290,642 |
| 2020 | 39.1 | 284,698 |
| 2019 | 39.0 | 279,711 |
| 2018 | 39.0 | 274,684 |
| 2017 | 38.9 | 269,885 |
| 2016 | 38.8 | 266,311 |
| 2015 | 38.5 | 262,723 |
| 2014 | 38.4 | 259,330 |
| 2013 | 38.2 | 256,080 |
| 2012 | 38.3 | 252,410 |
| 2011 | 38.4 | 248,327 |
| 2010 | 38.3 | 243,563 |
Thurston County, Washington Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.3% |
| 5–17 | 15.6% |
| 18–24 | 7.5% |
| 25–34 | 14.3% |
| 35–54 | 26.4% |
| 55–64 | 12.1% |
| 65+ | 18.7% |
Dependency Ratios for Thurston County, Washington
- Total Dependency Ratio:
- 65.6
- Youth Dependency:
- 34.5
- Old-Age Dependency:
- 31.0
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Thurston County, Washington
The median age in Thurston County, Washington is 40.0 years.
According to latest Census data, the total population of Thurston County, Washington is 299,067.
In Thurston County, Washington, seniors (ages 65+) make up 18.7% of the population, while children under 18 represent 15.6%.
Based on historical data since 2010, the population in Thurston County, Washington is aging.