Washington County, Oklahoma Age & Gender Distribution (2024)
Population distribution by age and gender for Washington County, Oklahoma
Washington County, Oklahoma Age & Gender Statistics (2024)
Total Population
53,326
Median Age
39.2
Male Median
37.8
Female Median
40.8
Washington County, Oklahoma Population Growth

Washington County, Oklahoma Demographic Trend
Since 2010, the population of has changed by +5.9%%.
+5.9%% Growth
Washington County, Oklahoma Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Washington County, Oklahoma Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 39.2 | 53,326 |
| 2023 | 39.4 | 52,895 |
| 2022 | 39.7 | 52,579 |
| 2021 | 39.8 | 52,382 |
| 2020 | 40.0 | 51,995 |
| 2019 | 40.2 | 51,886 |
| 2018 | 40.2 | 52,001 |
| 2017 | 40.1 | 51,867 |
| 2016 | 40.4 | 51,892 |
| 2015 | 40.5 | 51,760 |
| 2014 | 40.1 | 51,564 |
| 2013 | 40.5 | 51,329 |
| 2012 | 41.0 | 51,112 |
| 2011 | 41.1 | 50,791 |
| 2010 | 41.2 | 50,339 |
Washington County, Oklahoma Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.0% |
| 5–17 | 18.1% |
| 18–24 | 8.1% |
| 25–34 | 11.7% |
| 35–54 | 23.8% |
| 55–64 | 12.0% |
| 65+ | 20.3% |
Dependency Ratios for Washington County, Oklahoma
- Total Dependency Ratio:
- 79.5
- Youth Dependency:
- 43.2
- Old-Age Dependency:
- 36.4
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Washington County, Oklahoma
The median age in Washington County, Oklahoma is 39.2 years.
According to latest Census data, the total population of Washington County, Oklahoma is 53,326.
In Washington County, Oklahoma, seniors (ages 65+) make up 20.3% of the population, while children under 18 represent 18.1%.
Based on historical data since 2010, the population in Washington County, Oklahoma is becoming younger.