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Zip Code 39531 — Biloxi, MS

ZIP Code 39531 is associated with Biloxi, MS, in Harrison County. The listed population estimate is 18,918; estimated density is 1,100.1 people per square mile. Among records with population estimates, it ranks #4 of 11 in Harrison County and #44 of 419 in MS.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (30.404590, -88.967350)

Data MetricLocal Statistic
Postal / Zip Code39531
Primary CityBiloxi
State / ProvinceMS
CountyHarrison
Total Population18,918
Population Density1,100.1 people/sq mi
TimezoneAmerica/Chicago

How 39531 Compares

MetricZIP 39531Harrison County recordsMS records
Population estimate18,918221,505 (sum)2,946,719 (sum)
Population Density1,100.1 /sq mi----
County population rank#4 of 11----
State population rank#44 of 419----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MS

ZIP CodeCityDistancePopulation estimate
ZIP 39534Biloxi2.8 mi1,857
ZIP 39507Gulfport4.1 mi18,564
ZIP 39530Biloxi4.5 mi7,701
ZIP 39540Diberville6.1 mi13,203
ZIP 39532Biloxi6.7 mi36,662

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →