County · Montana · United States
Sweet Grass County ZIP codes
4 ZIP codes · 4 cities · FIPS 30097
Key facts
- State
- Montana (MT)
- FIPS code
- 30097
- Population
- 3,713
- Median household income
- $69,426
- Median age
- 44
- Land area
- 1,855.5 sq mi (4,805.8 km²)
- Population density
- 2 / sq mi
- Area codes
- 406
Cities and ZIP codes in Sweet Grass County (4)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.