Whitman County, Washington Age & Gender Distribution (2024)
Population distribution by age and gender for Whitman County, Washington
Whitman County, Washington Age & Gender Statistics (2024)
Total Population
47,003
Median Age
26.4
Male Median
26.9
Female Median
25.9
Whitman County, Washington Population Growth

Whitman County, Washington Demographic Trend
Since 2010, the population of has changed by +7.4%%.
+7.4%% Growth
Whitman County, Washington Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Whitman County, Washington Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 26.4 | 47,003 |
| 2023 | 26.1 | 47,042 |
| 2022 | 26.0 | 47,141 |
| 2021 | 25.0 | 48,197 |
| 2020 | 25.2 | 49,577 |
| 2019 | 24.7 | 49,231 |
| 2018 | 24.6 | 48,593 |
| 2017 | 24.5 | 47,794 |
| 2016 | 24.2 | 47,494 |
| 2015 | 24.2 | 46,737 |
| 2014 | 24.0 | 46,003 |
| 2013 | 24.0 | 45,512 |
| 2012 | 24.1 | 44,997 |
| 2011 | 24.1 | 44,200 |
| 2010 | 24.3 | 43,747 |
Whitman County, Washington Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.1% |
| 5–17 | 11.7% |
| 18–24 | 31.9% |
| 25–34 | 13.9% |
| 35–54 | 18.0% |
| 55–64 | 8.4% |
| 65+ | 11.9% |
Dependency Ratios for Whitman County, Washington
- Total Dependency Ratio:
- 38.4
- Youth Dependency:
- 21.9
- Old-Age Dependency:
- 16.5
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Whitman County, Washington
The median age in Whitman County, Washington is 26.4 years.
According to latest Census data, the total population of Whitman County, Washington is 47,003.
In Whitman County, Washington, seniors (ages 65+) make up 11.9% of the population, while children under 18 represent 11.7%.
Based on historical data since 2010, the population in Whitman County, Washington is aging.