| ZIP Codes: | 7 ZIP Codes (6 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 618 / 730 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:11:58 PM |
| Population: | 4,841 [See All] |
| FIPS: | 17003 |
| CBSA: | Cape Girardeau, MO-IL |
| Land Area: | 255 sq mi |
| Water Area: | 19 sq mi |
| Coordinates: | 37.1721, -89.3319 |
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4,841 residents live across 7 ZIPs covering 255 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 7,804 to 4,841 from 2014 to 2024 — a -38.0% change. 0 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 62990 (Thebes, $64,076 median) and poorest ZIP 62914 (Cairo, $41,103) are 17.4 miles apart — a 1.6× income gap across local geography.
Median home values vary 4.3× across this county — from $31,900 in 62914 (Cairo) to $136,900 in 62990 (Thebes).
Density varies 6× across the county — from 13 people/sq mi in 62957 (Mc Clure) to 73 in 62914 (Cairo).
Educational attainment ranges from 0.8% bachelor's+ in 62969 (Olive Branch) to 16.3% in 62988 (Tamms) — the breadth of educational profiles across the area.
Within Illinois, this is the #98 most populous of 102 counties and ranks #99 for median household income .
Weighted by population, the typical household earns about $50,212 across the county — reflecting what a typical resident sees, not a simple ZIP average.
12.5% of adults age 25+ hold a bachelor's degree or higher (435 of 3,470 reporting).
6 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 62914 | Cairo | Standard | 1,765 | $41,103 | 24.2 | -40.6% |
| 62988 | Tamms | Standard | 1,149 | $54,779 | 64.6 | -42.2% |
| 62990 | Thebes | Standard | 973 | $64,076 | 46.9 | -9.8% |
| 62957 | Mc Clure | Standard | 640 | $46,053 | 49.5 | -41.0% |
| 62969 | Olive Branch | Standard | 314 | — | 20.7 | -47.3% |
| 62962 | Miller City | Standard | 0 | — | 49.0 | -100.0% |
| 62993 | Unity | PO Box | — | — | 0.0 | — |