COUNTY · VT
Addison County, Vermont
Addison County is a county in Vermont with FIPS code 50001 and an estimated population of 37,720 (Census 2023), 7th largest of 14 in the state.
County facts
- Name
- Addison County
- State
- Vermont
- Type
- county
- FIPS code
- 50001
- State FIPS
- 50
- Population (2023)
- 37,720
- Change since 2020
- +1.0%
- State rank
- 7 of 14
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Addison County?
Addison County, Vermont has the five-digit FIPS code 50001: 50 for the state and 001 for the county.
What state is Addison County in?
Addison County is in Vermont.
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.