COUNTY · WA
Spokane County, Washington
Spokane County is a county in Washington with FIPS code 53063 and an estimated population of 551,455 (Census 2023), 4th largest of 39 in the state.
County facts
- Name
- Spokane County
- State
- Washington
- Type
- county
- FIPS code
- 53063
- State FIPS
- 53
- Population (2023)
- 551,455
- Change since 2020
- +1.9%
- State rank
- 4 of 39
Population is the Census Bureau’s Vintage 2023 estimate.
Major cities in Spokane County
Other counties in Washington
Questions
What is the FIPS code for Spokane County?
Spokane County, Washington has the five-digit FIPS code 53063: 53 for the state and 063 for the county.
What state is Spokane County in?
Spokane County is in Washington.
How do I know if an address is in this county?
Use the address lookup. ZIP codes and city names can cross county lines, so an address is the reliable check.
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27.