Washington township is located in Belmont County, Ohio. Washington township has a 2026 population of 490. Washington township is currently declining at a rate of -0.81% annually and its population has decreased by -4.3% since the most recent census, which recorded a population of 512 in 2020.
The median age in Washington township is 39.1 years: 28.7 years for males, and 39.4 years for females. For every 100 females there are 72.2 males.
Data after 2023 is projected based on recent change
Overall: 39.1 years
Female: 39.4 years
Male: 28.7 years
There are 385 adults, (132 of whom are seniors) in Washington township.
Female: 320 (58.1%)
Male: 231 (41.9%)
The racial composition of Washington township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 551 | 100% |