7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pine Ridge | 1 | 2,824 | 2,984 | -1.12% | 999 | 3 | CDP |
| Kyle | 2 | 1,668 | 902 | 3.35% | 1,132 | 1 | CDP |
| Oglala | 3 | 1,478 | 1,816 | 0.89% | 118 | 13 | CDP |
| Porcupine | 4 | 1,011 | 1,381 | -0.3% | 105 | 10 | CDP |
| Manderson-White Horse Creek | 5 | 645 | 405 | 0.16% | 113 | 6 | CDP |
| Wounded Knee | 6 | 377 | 197 | 0% | 352 | 1 | CDP |
| Batesland | 7 | 73 | 76 | -1.35% | 811 | 0 | Town |
Pine Ridge is the largest city in Oglala Lakota County, with a population of 2,824.
Batesland is the smallest city in Oglala Lakota County, with a population of 73.
There are 7 cities in Oglala Lakota County, South Dakota.