| ZIP Codes: | 14 ZIP Codes (6 Standard, 8 PO Box, 0 Unique) [See All] |
| Area Code: | 662 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:54:10 PM |
| Population: | 42,943 [See All] |
| FIPS: | 28151 |
| CBSA: | Greenville, MS |
| Land Area: | 890 sq mi |
| Water Area: | 36 sq mi |
| Coordinates: | 33.3105, -91.0073 |
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42,943 residents live across 14 ZIPs covering 890 sq mi, served by 11 distinct USPS-recognized cities.
Population moved from 50,397 to 42,943 from 2014 to 2024 — a -14.8% change. 1 ZIPs gained residents, 8 lost.
The county's wealthiest ZIP 38756 (Leland, $45,625 median) and poorest ZIP 38722 (Arcola, $21,818) are 7.1 miles apart — a 2.1× income gap across local geography.
Median home values vary 2.0× across this county — from $71,800 in 38760 (Metcalfe) to $140,700 in 38744 (Glen Allan).
Density varies 35× across the county — from 6 people/sq mi in 38744 (Glen Allan) to 215 in 38701 (Greenville).
Educational attainment ranges from 16.3% bachelor's+ in 38748 (Hollandale) to 28.4% in 38760 (Metcalfe) — the breadth of educational profiles across the area.
Within Mississippi, this is the #16 most populous of 82 counties and ranks #75 for median household income .
Weighted by population, the typical household earns about $42,283 across the county — reflecting what a typical resident sees, not a simple ZIP average.
22.3% of adults age 25+ hold a bachelor's degree or higher (6,315 of 28,362 reporting).
6 Standard delivery, 8 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
Washington County lost 14.8% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 38701 | Greenville | Standard | 20,853 | $40,854 | 96.9 | -9.2% |
| 38703 | Greenville | Standard | 11,028 | $44,291 | 194.1 | -22.7% |
| 38756 | Leland | Standard | 5,887 | $45,625 | 196.5 | -5.9% |
| 38748 | Hollandale | Standard | 3,192 | $44,615 | 297.5 | -24.2% |
| 38760 | Metcalfe | PO Box | 934 | $37,679 | 0.0 | -17.1% |
| 38744 | Glen Allan | Standard | 512 | $22,547 | 83.9 | -44.8% |
| 38723 | Avon | PO Box | 250 | — | 0.0 | 1036.4% |
| 38722 | Arcola | PO Box | 248 | $21,818 | 1.3 | -44.6% |
| 38731 | Chatham | Standard | 39 | — | 19.6 | -78.8% |
| 38776 | Stoneville | PO Box | 0 | — | 0.0 | — |
| 38780 | Wayside | PO Box | — | — | 0.0 | — |
| 38704 | Greenville | PO Box | — | — | 0.0 | — |
| 38782 | Winterville | PO Box | — | — | 0.0 | — |
| 38702 | Greenville | PO Box | — | — | 0.0 | — |