Franklin County's estimated 2026 population is 103,838 with a growth rate of 1.19% in the past year according to the most recent United States census data. Franklin County is the 14th largest county in Washington. The 2010 population was 79,076 and has seen a growth of 31.31% since that time.
Data after 2023 is projected based on recent change
Overall: 30.9 years
Female: 30.7 years
Male: 31 years
There are 68,337 adults, (10,257 of whom are seniors) in Franklin County.
Female: 47,939 (48.5%)
Male: 50,963 (51.5%)
The racial composition of Franklin County includes 45.45% White, 20.84% other race, and smaller percentages for Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 44,953 | 45.45% |
| Two or more races | 28,101 | 28.41% |
| Other race | 20,608 | 20.84% |
| Black or African American | 1,909 | 1.93% |
| Asian | 1,825 | 1.85% |
| Native American | 1,342 | 1.36% |
| Native Hawaiian or Pacific Islander | 164 | 0.17% |
Franklin County's average per capita income is $50,133. Household income levels show a median of $86,714. The poverty rate stands at 13.13%.
Name | Median | Mean |
|---|---|---|
| Married Families | $108,585 | $133,976 |
| Families | $92,037 | $115,012 |
| Households | $86,714 | $109,166 |
| Non Families | $52,474 | $67,806 |
Average Income
Median Household Income
Poverty Rate