Washington
- County:
- Daviess County
- County Seat:
- Yes
- Area (mi²):
- 6.67
- State:
- Indiana
Washington is a city located in Daviess County, Indiana. Washington has a 2026 population of 12,881. It is also the county seat of Daviess County. Washington is currently growing at a rate of 2.47% annually and its population has increased by 6.91% since the most recent census, which recorded a population of 12,048 in 2020.