There are 11 cities in Lamar 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 | 2024 Population | 2020 Population | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hattiesburg | 1 | 48,306 | 48,736 | -0.22% | 904 | 53.4 | City |
| West Hattiesburg | 2 | 6,288 | 5,944 | 0.43% | 2,606 | 2.4 | CDP |
| Columbia | 3 | 5,685 | 5,853 | -0.73% | 842 | 6.8 | City |
| Rawls Springs | 4 | 2,205 | 1,708 | 3.18% | 1,208 | 1.8 | CDP |
| Sumrall | 5 | 2,160 | 1,775 | 4.65% | 577 | 3.7 | Town |
| Purvis | 6 | 1,958 | 1,898 | 0.77% | 468 | 4.2 | City |
| Oak Grove | 7 | 1,830 | 1,891 | 7.65% | 1,465 | 1.2 | CDP |
| Arnold Line | 8 | 1,801 | 1,654 | 0.33% | 1,083 | 1.7 | CDP |
| Lumberton | 9 | 1,648 | 1,628 | 0.3% | 232 | 7.1 | City |
| Glendale | 10 | 1,490 | 1,483 | -0.8% | 914 | 1.6 | CDP |
| Baxterville | 11 | 485 | 408 | 7.54% | 154 | 3.2 | CDP |
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.
Hattiesburg is the largest city in Lamar County.
Baxterville is the smallest city in Lamar County.
There are 11 cities in Lamar County, Mississippi.