There are 13 cities in Harrison County, Mississippi.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Gulfport | 1 | Mississippi | 72,807 | 72,871 | -0.02% | 1,309 | 55.62 |
| Biloxi | 2 | Mississippi | 47,840 | 49,420 | -0.82% | 1,114 | 42.94 |
| Gautier | 3 | Mississippi | 19,023 | 19,014 | 0.01% | 629 | 30.26 |
| Long Beach | 4 | Mississippi | 17,052 | 16,806 | 0.36% | 1,665 | 10.24 |
| D'Iberville | 5 | Mississippi | 13,476 | 12,714 | 1.43% | 1,276 | 10.56 |
| St. Martin | 6 | Mississippi | 7,561 | 8,211 | -1.83% | 1,763 | 4.29 |
| Latimer | 7 | Mississippi | 6,724 | 6,148 | 2.19% | 413 | 16.28 |
| Pass Christian | 8 | Mississippi | 6,424 | 5,746 | 2.7% | 780 | 8.24 |
| Vancleave | 9 | Mississippi | 5,480 | 4,934 | 2.56% | 127 | 43.14 |
| DeLisle | 10 | Mississippi | 1,565 | 1,601 | -0.57% | 299 | 5.23 |
| Saucier | 11 | Mississippi | 1,153 | 1,245 | -1.96% | 166 | 6.94 |
| Lyman | 12 | Mississippi | 672 | 2,303 | -36.36% | 86 | 7.77 |
| Henderson Point | 13 | Mississippi | 211 | 276 | 0% | 198 | 1.06 |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Gulfport is the largest city in Harrison County.
Henderson Point is the smallest city in Harrison County.
There are 13 cities in Harrison County, Mississippi.