Franklin County, Washington Age & Gender Distribution (2024)
Population distribution by age and gender for Franklin County, Washington
Franklin County, Washington Age & Gender Statistics (2024)
Total Population
98,902
Median Age
30.9
Male Median
31.0
Female Median
30.7
Franklin County, Washington Population Growth

Franklin County, Washington Demographic Trend
Since 2010, the population of has changed by +38.7%%.
+38.7%% Growth
Franklin County, Washington Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Franklin County, Washington Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 30.9 | 98,902 |
| 2023 | 30.8 | 97,676 |
| 2022 | 30.6 | 96,692 |
| 2021 | 30.5 | 95,313 |
| 2020 | 30.4 | 93,681 |
| 2019 | 30.3 | 92,009 |
| 2018 | 30.0 | 90,660 |
| 2017 | 29.9 | 89,124 |
| 2016 | 29.3 | 87,810 |
| 2015 | 29.1 | 86,443 |
| 2014 | 28.9 | 84,508 |
| 2013 | 28.7 | 81,835 |
| 2012 | 28.4 | 78,680 |
| 2011 | 28.5 | 75,102 |
| 2010 | 28.4 | 71,329 |
Franklin County, Washington Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 7.9% |
| 5–17 | 23.0% |
| 18–24 | 10.4% |
| 25–34 | 14.6% |
| 35–54 | 25.1% |
| 55–64 | 8.6% |
| 65+ | 10.4% |
Dependency Ratios for Franklin County, Washington
- Total Dependency Ratio:
- 70.3
- Youth Dependency:
- 52.6
- Old-Age Dependency:
- 17.7
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Franklin County, Washington
The median age in Franklin County, Washington is 30.9 years.
According to latest Census data, the total population of Franklin County, Washington is 98,902.
In Franklin County, Washington, seniors (ages 65+) make up 10.4% of the population, while children under 18 represent 23.0%.
Based on historical data since 2010, the population in Franklin County, Washington is aging.