County · GEOID 17003
Alexander County, IL ZIP codes
8 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Alexander County (GEOID 17003). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 8,757 (8 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
Alexander County, IL ZIP code map

ZIP/ZCTA overlap with Alexander County
Population overlap
Share of each ZIP/ZCTA’s population located within Alexander County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 62914100.0%
Directory county
- 629521.0%
- 6295795.6%
Directory county
- 62962100.0%
Directory county
- 62969100.0%
Directory county
- 62988100.0%
Directory county
- 62990100.0%
Directory county
- 629922.7%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Alexander County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 62914 | Cairo | Alexander County | 1,785 | $35,362 |
| 62952 | Jonesboro | Union County | 2,950 | $57,206 |
| 62957 | Mc Clure | Alexander County | 669 | $41,375 |
| 62962 | Miller City | Alexander County | 0 | — |
| 62969 | Olive Branch | Alexander County | 276 | — |
| 62988 | Tamms | Alexander County | 1,222 | $56,154 |
| 62990 | Thebes | Alexander County | 1,044 | $60,978 |
| 62992 | Ullin | Pulaski County | 811 | $75,000 |
USPS associates these ZIPs with Alexander County
These codes list Alexander County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 62993 | Unity | Alexander County | 42 | — |