
Deer Park
- County:
- Spokane County
- County Seat:
- No
- Area (mi²):
- 6.889
- State:
- Washington
Deer Park is a city located in Spokane County, Washington. Deer Park has a 2025 population of 5,226. Deer Park is currently growing at a rate of 3.24% annually and its population has increased by 18.64% since the most recent census, which recorded a population of 4,405 in 2020.
The average household income in Deer Park is $72,080 with a poverty rate of 19.7%. The median age in Deer Park is 35.4 years: 31.5 years for males, and 39.7 years for females.