County · Montana · United States
Carter County ZIP codes
5 ZIP codes · 5 cities · FIPS 30011
Key facts
- State
- Montana (MT)
- FIPS code
- 30011
- Population
- 1,361
- Median household income
- $52,171
- Median age
- 56.7
- Land area
- 3,340.5 sq mi (8,651.8 km²)
- Population density
- 0 / sq mi
- Area codes
- 406
Cities and ZIP codes in Carter County (5)
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.