Washington township is located in Highland County, Ohio. Washington township has a 2026 population of 1,084. Washington township is currently growing at a rate of 0.37% annually and its population has increased by 1.31% since the most recent census, which recorded a population of 1,070 in 2020.
The median age in Washington township is 42.8 years: 42.6 years for males, and 43.9 years for females. For every 100 females there are 103.9 males.
Data after 2023 is projected based on recent change
Overall: 42.8 years
Female: 43.9 years
Male: 42.6 years
There are 1,193 adults, (337 of whom are seniors) in Washington township.
Female: 763 (49%)
Male: 793 (51%)
The racial composition of Washington township includes 98.97% White, and smaller percentages for Two or more races, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,540 | 98.97% |
| Two or more races | 15 | 0.96% |
| Black or African American | 1 | 0.06% |