
Richland
- County:
- Benton County
- County Seat:
- No
- Area (mi²):
- 39.868
- State:
- Washington
Richland is a city located in Benton County, Washington. Richland has a 2025 population of 65,656. Richland is currently growing at a rate of 1.47% annually and its population has increased by 7.8% since the most recent census, which recorded a population of 60,908 in 2020.
The average household income in Richland is $125,625 with a poverty rate of 9.26%. The median age in Richland is 36.4 years: 34.6 years for males, and 38.8 years for females.