| ZIP Codes: | 16 ZIP Codes (10 Standard, 6 PO Box, 0 Unique) [See All] |
| Area Code: | 228 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:12:48 PM |
| Population: | 221,505 [See All] |
| FIPS: | 28047 |
| CBSA: | Gulfport-Biloxi, MS |
| Land Area: | 572 sq mi |
| Water Area: | 18 sq mi |
| Coordinates: | 30.4285, -89.0417 |
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221,505 residents live across 16 ZIPs covering 572 sq mi, served by 6 distinct USPS-recognized cities.
Population moved from 202,970 to 221,505 from 2014 to 2024 — a +9.1% change. 9 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 39571 (Pass Christian, $70,430 median) and poorest ZIP 39501 (Gulfport, $34,758) are 11.6 miles apart — a 2.0× income gap across local geography.
Median home values vary 2.1× across this county — from $121,800 in 39501 (Gulfport) to $255,900 in 39571 (Pass Christian).
Density varies 39× across the county — from 64 people/sq mi in 39574 (Saucier) to 2,513 in 39531 (Biloxi).
Most of the decade's growth concentrated around Gulfport — top growth ZIPs averaged +24.7% over the past ten years ( 39540 , 39507 and 39503 ).
Educational attainment ranges from 13.5% bachelor's+ in 39501 (Gulfport) to 35.2% in 39571 (Pass Christian) — the breadth of educational profiles across the area.
Within Mississippi, this is the #1 most populous of 82 counties and ranks #23 for median household income with the #6 fastest decade growth .
Weighted by population, the typical household earns about $60,426 across the county — reflecting what a typical resident sees, not a simple ZIP average.
26.9% of adults age 25+ hold a bachelor's degree or higher (40,281 of 149,624 reporting).
10 Standard delivery, 6 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 39503 | Gulfport | Standard | 55,059 | $62,641 | 116.5 | 11.3% |
| 39532 | Biloxi | Standard | 36,662 | $68,710 | 84.8 | 6.9% |
| 39501 | Gulfport | Standard | 22,565 | $34,758 | 15.5 | 3.8% |
| 39531 | Biloxi | Standard | 18,918 | $54,218 | 7.5 | 4.4% |
| 39560 | Long Beach | Standard | 18,702 | $69,769 | 22.0 | 8.5% |
| 39507 | Gulfport | Standard | 18,564 | $54,657 | 8.9 | 13.9% |
| 39571 | Pass Christian | Standard | 14,739 | $70,430 | 86.7 | 7.1% |
| 39574 | Saucier | Standard | 13,535 | $70,094 | 211.1 | 6.9% |
| 39540 | Diberville | Standard | 13,203 | $66,016 | 11.2 | 48.9% |
| 39530 | Biloxi | Standard | 7,701 | $41,117 | 6.1 | -3.0% |
| 39534 | Biloxi | PO Box | 1,857 | — | 1.6 | -28.3% |
| 39535 | Biloxi | PO Box | — | — | 0.0 | — |
| 39506 | Gulfport | PO Box | — | — | 0.0 | — |
| 39533 | Biloxi | PO Box | — | — | 0.0 | — |
| 39502 | Gulfport | PO Box | — | — | 0.0 | — |
| 39505 | Gulfport | PO Box | — | — | 0.0 | — |