| ZIP Codes: | 1 ZIP Codes (1 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 601 / 769 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:51 PM |
| Population: | 10,530 [See All] |
| FIPS: | 28147 |
| CBSA: | McComb, MS |
| Land Area: | 320 sq mi |
| Water Area: | 0 sq mi |
| Coordinates: | 31.1483, -90.1079 |
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10,530 residents live across 1 ZIPs covering 320 sq mi, served by 1 distinct USPS-recognized cities.
Population moved from 12,518 to 10,530 from 2014 to 2024 — a -15.9% change. 0 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 39667 (Tylertown, $44,934 median) and poorest ZIP 39667 (Tylertown, $44,934) are 0.0 miles apart — a 1.0× income gap across local geography.
Within Mississippi, this is the #68 most populous of 82 counties and ranks #58 for median household income .
Weighted by population, the typical household earns about $44,934 across the county — reflecting what a typical resident sees, not a simple ZIP average.
13.0% of adults age 25+ hold a bachelor's degree or higher (955 of 7,330 reporting).
1 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
Walthall County lost 15.9% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 39667 | Tylertown | Standard | 10,530 | $44,934 | 320.4 | -15.9% |