9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Deming | 1 | 14,481 | 14,786 | -0.42% | 866 | 17 | City |
| Keeler Farm | 2 | 1,819 | 1,794 | 1.96% | 160 | 11 | CDP |
| Columbus | 3 | 1,457 | 1,439 | 0.28% | 312 | 5 | Village |
| Ventura | 4 | 893 | 780 | 3.24% | 164 | 5 | CDP |
| Sunshine | 5 | 812 | 274 | 3.31% | 46 | 18 | CDP |
| La Hacienda | 6 | 639 | 442 | -0.78% | 472 | 1 | CDP |
| Pecan Park | 7 | 589 | 448 | 7.09% | 5,505 | 0 | CDP |
| Pulpotio Bareas | 8 | 86 | 223 | -2.27% | 167 | 1 | CDP |
| City Sun | 9 | 52 | 37 | 6.12% | 206 | 0 | CDP |
Deming is the largest city in Luna County, with a population of 14,481.
City Sun is the smallest city in Luna County, with a population of 52.
There are 9 cities in Luna County, New Mexico.