Washington township is located in Pickaway County, Ohio. Washington township has a 2026 population of 3,118. Washington township is currently growing at a rate of 1.56% annually and its population has increased by 3.73% since the most recent census, which recorded a population of 3,006 in 2020.
The median household income in Washington township is $105,273 with a poverty rate of 4.06%. The median age in Washington township is 44.2 years: 44.7 years for males, and 43.8 years for females. For every 100 females there are 84.7 males.