COUNTY · MT
Powell County, Montana
Powell County is a county in Montana with FIPS code 30077 and an estimated population of 7,133 (Census 2023), 30th largest of 56 in the state.
County facts
- Name
- Powell County
- State
- Montana
- Type
- county
- FIPS code
- 30077
- State FIPS
- 30
- Population (2023)
- 7,133
- Change since 2020
- +2.8%
- State rank
- 30 of 56
Population is the Census Bureau’s Vintage 2023 estimate.
Questions
What is the FIPS code for Powell County?
Powell County, Montana has the five-digit FIPS code 30077: 30 for the state and 077 for the county.
What state is Powell County in?
Powell County is in Montana.
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.