
Basin City
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 3.189
- State:
- Washington
Basin City is a CDP located in Franklin County, Washington. Basin City has a 2025 population of 1,689. Basin City is currently growing at a rate of 2.36% annually and its population has increased by 43.99% since the most recent census, which recorded a population of 1,173 in 2020.
The average household income in Basin City is $104,456 with a poverty rate of 11.53%. The median age in Basin City is 22.5 years: 22.2 years for males, and 22.7 years for females.