Columbia County, Oregon Age & Gender Distribution (2024)
Population distribution by age and gender for Columbia County, Oregon
Columbia County, Oregon Age & Gender Statistics (2024)
Total Population
53,493
Median Age
43.3
Male Median
42.6
Female Median
44.3
Columbia County, Oregon Population Growth
Columbia County, Oregon Demographic Trend
Since 2010, the population of has changed by +9.2%%.
+9.2%% Growth
Columbia County, Oregon Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Columbia County, Oregon Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 43.3 | 53,493 |
| 2023 | 43.2 | 53,178 |
| 2022 | 43.1 | 52,865 |
| 2021 | 43.3 | 52,381 |
| 2020 | 43.3 | 52,117 |
| 2019 | 43.3 | 51,375 |
| 2018 | 43.3 | 50,851 |
| 2017 | 43.3 | 50,207 |
| 2016 | 43.3 | 49,645 |
| 2015 | 42.9 | 49,389 |
| 2014 | 42.5 | 49,325 |
| 2013 | 42.0 | 49,333 |
| 2012 | 41.5 | 49,317 |
| 2011 | 41.2 | 49,247 |
| 2010 | 40.8 | 49,006 |
Columbia County, Oregon Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.9% |
| 5–17 | 15.4% |
| 18–24 | 6.8% |
| 25–34 | 11.8% |
| 35–54 | 26.3% |
| 55–64 | 14.7% |
| 65+ | 20.1% |
Dependency Ratios for Columbia County, Oregon
- Total Dependency Ratio:
- 67.8
- Youth Dependency:
- 34.1
- Old-Age Dependency:
- 33.7
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Columbia County, Oregon
The median age in Columbia County, Oregon is 43.3 years.
According to latest Census data, the total population of Columbia County, Oregon is 53,493.
In Columbia County, Oregon, seniors (ages 65+) make up 20.1% of the population, while children under 18 represent 15.4%.
Based on historical data since 2010, the population in Columbia County, Oregon is aging.