Williams County's estimated 2026 population is 36,477 with a growth rate of -0.2% in the past year according to the most recent United States census data. Williams County is the 68th largest county in Ohio. The 2010 population was 37,510 and has seen a growth of -2.75% since that time.
Data after 2023 is projected based on recent change
Overall: 41.6 years
Female: 42.7 years
Male: 40.6 years
There are 28,635 adults, (7,368 of whom are seniors) in Williams County.
Female: 18,481 (50.3%)
Male: 18,238 (49.7%)
The racial composition of Williams County includes 91.7% White, and smaller percentages for other race, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 33,673 | 91.7% |
| Two or more races | 1,730 | 4.71% |
| Other race | 766 | 2.09% |
| Asian | 241 | 0.66% |
| Black or African American | 228 | 0.62% |
| Native American | 73 | 0.2% |
| Native Hawaiian or Pacific Islander | 8 | 0.02% |
Williams County's average per capita income is $43,429. Household income levels show a median of $61,048. The poverty rate stands at 12.75%.
Name | Median | Mean |
|---|---|---|
| Married Families | $90,401 | $100,390 |
| Families | $77,036 | $87,070 |
| Households | $61,048 | $75,921 |
| Non Families | $36,975 | $51,625 |
Average Income
Median Household Income
Poverty Rate
