County · Maine · United States
Knox County ZIP codes
19 ZIP codes · 19 cities · FIPS 23013
Key facts
- State
- Maine (ME)
- FIPS code
- 23013
- Population
- 40,860
- Median household income
- $71,903
- Median age
- 49.2
- Land area
- 365.1 sq mi (945.7 km²)
- Population density
- 112 / sq mi
- Area codes
- 207
Cities and ZIP codes in Knox County (19)
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.