Harrison County, Mississippi Zip Codes by Population (2024)

The most populated Zip Code in Harrison County, Mississippi is 39503, located in Gulfport. * 2024 populations estimated based on the latest ACS 5-year data.

Zip Code
City
Population
39503Gulfport53,049
39532Biloxi36,004
39501Gulfport24,091
39531Biloxi18,766
39560Long Beach18,289
39507Gulfport18,151
39571Pass Christian14,010
39574Saucier13,937
39540Diberville12,922
39530Biloxi8,170
39534Biloxi1,898