County · Illinois · United States
Massac County ZIP codes
3 ZIP codes · 3 cities · FIPS 17127
Key facts
- State
- Illinois (IL)
- FIPS code
- 17127
- Population
- 13,958
- Median household income
- $62,584
- Median age
- 45
- Land area
- 237.2 sq mi (614.2 km²)
- Population density
- 59 / sq mi
- Area codes
- 618, 730
Cities and ZIP codes in Massac County (3)
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.