Washington is a somewhat small city located in the state of Pennsylvania. With a population of 13,483 people and 14 associated neighborhoods, Washington is the 74th largest community in Pennsylvania. Washington has an unusually large stock of pre-World War II architecture, making it one of the older and more historic cities.

Washington is also a college town, where lots of students live while attending area colleges. Because of the high percentage of people living in Washington enrolled in college, Washington has a number of services, amenities and opportunities geared towards the needs and activities of students.

The education level of Washington citizens, measured as those with bachelor's degrees or advanced degrees, is similar to the national average for all American cities and towns. 19.37% of adults 25 and older in Washington have a college degree.

The per capita income in Washington in 2022 was $27,628, which is lower middle income relative to Pennsylvania and the nation. This equates to an annual income of $110,512 for a family of four. However, Washington contains both very wealthy and poor people as well.

Washington is a very ethnically-diverse city. The people who call Washington home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Washington residents report their race to be White, followed by Black or African-American. Important ancestries of people in Washington include German, Irish, Italian, English, and Polish.

The most common language spoken in Washington is English. Other important languages spoken here include Spanish and German/Yiddish.