18 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Parker | 1 | 3,464 | 3,412 | 0.23% | 158 | 22 | Town |
| Parker | 2 | 3,464 | 3,421 | 0.23% | 158 | 22 | Town |
| Quartzsite | 3 | 2,428 | 2,411 | 0.12% | 67 | 36 | Town |
| Quartzsite | 4 | 2,428 | 2,412 | 0.12% | 67 | 36 | Town |
| Cienega Springs | 5 | 1,352 | 1,969 | -2.17% | 381 | 4 | CDP |
| Bouse | 6 | 1,034 | 1,175 | 0.29% | 8 | 136 | CDP |
| Ehrenberg | 7 | 898 | 1,005 | -4.06% | 75 | 12 | CDP |
| Parker Strip | 8 | 852 | 872 | 1.55% | 272 | 3 | CDP |
| Bluewater | 9 | 808 | 1,061 | 0.75% | 389 | 2 | CDP |
| Brenda | 10 | 726 | 730 | 0.41% | 105 | 7 | CDP |
| Vicksburg | 11 | 603 | 684 | 0% | 4 | 143 | CDP |
| Salome | 12 | 502 | 1,315 | -12.08% | 15 | 33 | CDP |
| La Paz Valley | 13 | 411 | 515 | -4.64% | 14 | 29 | CDP |
| Wenden | 14 | 404 | 408 | -5.16% | 27 | 15 | CDP |
| Cibola | 15 | 151 | 286 | -4.43% | 8 | 20 | CDP |
| Poston | 16 | 112 | 186 | -9.68% | 81 | 1 | CDP |
| Utting | 17 | 16 | 90 | -30.43% | 1 | 27 | CDP |
| Alamo Lake | 18 | 13 | 19 | 8.33% | 0.00 | 44 | CDP |
Parker is the largest city in La Paz County, with a population of 3,464.
Alamo Lake is the smallest city in La Paz County, with a population of 13.
There are 18 cities in La Paz County, Arizona.