County · Illinois · United States
Alexander County ZIP codes
6 ZIP codes · 6 cities · FIPS 17003
Key facts
- State
- Illinois (IL)
- FIPS code
- 17003
- Population
- 5,042
- Median household income
- $43,523
- Median age
- 45.8
- Land area
- 235.4 sq mi (609.7 km²)
- Population density
- 21 / sq mi
- Area codes
- 618, 730
Cities and ZIP codes in Alexander County (6)
| City | ZIP codes |
|---|---|
| Cairo | 62914 |
| Mc Clure | 62957 |
| Miller City | 62962 |
| Olive Branch | 62969 |
| Tamms | 62988 |
| Thebes | 62990 |
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.