Washington township is located in Washington County, Pennsylvania. Washington township has a 2026 population of 2,638. Washington township is currently growing at a rate of 1.23% annually and its population has increased by 2.21% since the most recent census, which recorded a population of 2,581 in 2020.
The median household income in Washington township is $92,226 with a poverty rate of 4.26%. The median age in Washington township is 51.7 years: 52.6 years for males, and 51.3 years for females. For every 100 females there are 92.8 males.