Pierce County, Washington Age & Gender Distribution (2024)
Population distribution by age and gender for Pierce County, Washington
Pierce County, Washington Age & Gender Statistics (2024)
Total Population
930,319
Median Age
37.0
Male Median
35.9
Female Median
38.1
Pierce County, Washington Population Growth

Pierce County, Washington Demographic Trend
Since 2010, the population of has changed by +18.9%%.
+18.9%% Growth
Pierce County, Washington Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Pierce County, Washington Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 37.0 | 930,319 |
| 2023 | 36.8 | 924,106 |
| 2022 | 36.5 | 918,993 |
| 2021 | 36.4 | 910,225 |
| 2020 | 36.2 | 891,862 |
| 2019 | 36.1 | 877,013 |
| 2018 | 36.1 | 859,840 |
| 2017 | 36.0 | 845,193 |
| 2016 | 36.0 | 832,896 |
| 2015 | 35.8 | 821,952 |
| 2014 | 35.8 | 812,689 |
| 2013 | 35.8 | 805,434 |
| 2012 | 35.7 | 798,528 |
| 2011 | 35.7 | 791,528 |
| 2010 | 35.6 | 782,681 |
Pierce County, Washington Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.0% |
| 5–17 | 17.0% |
| 18–24 | 8.7% |
| 25–34 | 15.4% |
| 35–54 | 26.4% |
| 55–64 | 11.8% |
| 65+ | 14.8% |
Dependency Ratios for Pierce County, Washington
- Total Dependency Ratio:
- 60.7
- Youth Dependency:
- 37.0
- Old-Age Dependency:
- 23.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Pierce County, Washington
The median age in Pierce County, Washington is 37.0 years.
According to latest Census data, the total population of Pierce County, Washington is 930,319.
In Pierce County, Washington, seniors (ages 65+) make up 14.8% of the population, while children under 18 represent 17.0%.
Based on historical data since 2010, the population in Pierce County, Washington has remained stable.