COUNTY · WA
Skagit County, Washington
Skagit County is a county in Washington with FIPS code 53057 and an estimated population of 131,417 (Census 2023), 11th largest of 39 in the state.
County facts
- Name
- Skagit County
- State
- Washington
- Type
- county
- FIPS code
- 53057
- State FIPS
- 53
- Population (2023)
- 131,417
- Change since 2020
- +1.2%
- State rank
- 11 of 39
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Skagit County?
Skagit County, Washington has the five-digit FIPS code 53057: 53 for the state and 057 for the county.
What state is Skagit County in?
Skagit 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.