Washington is a city located in Daviess County Indiana. It is also the county seat of Daviess County. With a 2020 population of 12,628, it is the 67th largest city in Indiana and the 2618th largest city in the United States . Washington is currently growing at a rate of 0.40% annually and its population has increased by 9.72% since the most recent census, which recorded a population of 11,509 in 2010. Washington reached it's highest population of 12,628 in 2021. Spanning over 7 miles, Washington has a population density of 1,905 people per square mile.
The average household income in Washington is $53,344 with a poverty rate of 17.71%. The median rental costs in recent years comes to $706 per month, and the median house value is $86,300. The median age in Washington is 36.2 years, 34.6 years for males, and 39.5 years for females.