Wahkiakum County, Washington Age & Gender Distribution (2024)
Population distribution by age and gender for Wahkiakum County, Washington
Wahkiakum County, Washington Age & Gender Statistics (2024)
Total Population
4,658
Median Age
54.5
Male Median
50.3
Female Median
56.4
Wahkiakum County, Washington Population Growth

Wahkiakum County, Washington Demographic Trend
Since 2010, the population of has changed by +17.0%%.
+17.0%% Growth
Wahkiakum County, Washington Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Wahkiakum County, Washington Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 54.5 | 4,658 |
| 2023 | 54.8 | 4,573 |
| 2022 | 56.3 | 4,476 |
| 2021 | 56.7 | 4,373 |
| 2020 | 55.7 | 4,318 |
| 2019 | 55.1 | 4,268 |
| 2018 | 54.3 | 4,189 |
| 2017 | 53.3 | 4,105 |
| 2016 | 53.1 | 4,051 |
| 2015 | 52.1 | 4,035 |
| 2014 | 52.3 | 4,016 |
| 2013 | 50.3 | 4,006 |
| 2012 | 48.8 | 4,003 |
| 2011 | 47.3 | 3,994 |
| 2010 | 51.1 | 3,982 |
Wahkiakum County, Washington Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 3.7% |
| 5–17 | 13.8% |
| 18–24 | 5.6% |
| 25–34 | 7.4% |
| 35–54 | 20.0% |
| 55–64 | 15.3% |
| 65+ | 34.1% |
Dependency Ratios for Wahkiakum County, Washington
- Total Dependency Ratio:
- 106.9
- Youth Dependency:
- 36.3
- Old-Age Dependency:
- 70.6
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Wahkiakum County, Washington
The median age in Wahkiakum County, Washington is 54.5 years.
According to latest Census data, the total population of Wahkiakum County, Washington is 4,658.
In Wahkiakum County, Washington, seniors (ages 65+) make up 34.1% of the population, while children under 18 represent 13.8%.
Based on historical data since 2010, the population in Wahkiakum County, Washington is aging.