Columbia County, Washington Age & Gender Distribution (2024)
Population distribution by age and gender for Columbia County, Washington
Columbia County, Washington Age & Gender Statistics (2024)
Total Population
4,014
Median Age
49.6
Male Median
44.9
Female Median
52.4
Columbia County, Washington Population Growth
Columbia County, Washington Demographic Trend
Since 2010, the population of has changed by +1.4%%.
+1.4%% Growth
Columbia County, Washington Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Columbia County, Washington Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 49.6 | 4,014 |
| 2023 | 52.1 | 3,996 |
| 2022 | 50.8 | 3,980 |
| 2021 | 50.4 | 3,969 |
| 2020 | 49.0 | 4,024 |
| 2019 | 50.2 | 3,992 |
| 2018 | 49.4 | 4,001 |
| 2017 | 50.0 | 3,999 |
| 2016 | 49.9 | 3,971 |
| 2015 | 49.5 | 3,989 |
| 2014 | 49.2 | 4,031 |
| 2013 | 49.2 | 4,027 |
| 2012 | 48.9 | 4,001 |
| 2011 | 51.3 | 3,988 |
| 2010 | 47.2 | 3,957 |
Columbia County, Washington Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.0% |
| 5–17 | 14.0% |
| 18–24 | 5.8% |
| 25–34 | 9.4% |
| 35–54 | 22.3% |
| 55–64 | 15.1% |
| 65+ | 29.3% |
Dependency Ratios for Columbia County, Washington
- Total Dependency Ratio:
- 89.9
- Youth Dependency:
- 34.2
- Old-Age Dependency:
- 55.7
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Columbia County, Washington
The median age in Columbia County, Washington is 49.6 years.
According to latest Census data, the total population of Columbia County, Washington is 4,014.
In Columbia County, Washington, seniors (ages 65+) make up 29.3% of the population, while children under 18 represent 14.0%.
Based on historical data since 2010, the population in Columbia County, Washington is aging.