
Pasco
- County:
- Franklin County
- County Seat:
- Yes
- Area (mi²):
- 38.963
- State:
- Washington
Pasco is a city located in Franklin County, Washington. Pasco has a 2025 population of 81,605. It is also the county seat of Franklin County. Pasco is currently growing at a rate of 0.97% annually and its population has increased by 5.04% since the most recent census, which recorded a population of 77,687 in 2020.
The average household income in Pasco is $100,667 with a poverty rate of 12.61%. The median age in Pasco is 30.2 years: 30.2 years for males, and 30.1 years for females.