Washington is a somewhat small city located in the state of Indiana. With a population of 12,171 people and four associated neighborhoods, Washington is the 73rd largest community in Indiana. Much of the housing stock in Washington was built prior to World War II, making it one of the older and more historic cities in the country.

The citizens of Washington are slightly less educated than the national average of 21.84% for the average city or town: 14.20% of adults in Washington have a bachelor's degree or advanced degree

The per capita income in Washington in 2022 was $24,827, which is low income relative to Indiana, and lower middle income relative to the rest of the US. This equates to an annual income of $99,308 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. Washington also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 12.12% of the city’s residents. Important ancestries of people in Washington include German, Irish, English, Haitian, and French.

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