7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Newberry | 1 | 10,963 | 10,696 | 0.41% | 1,192 | 9 | City |
| Whitmire | 2 | 1,461 | 1,394 | 0.76% | 1,169 | 1 | Town |
| Prosperity | 3 | 1,272 | 1,187 | 1.11% | 645 | 2 | Town |
| Little Mountain | 4 | 267 | 251 | 1.14% | 176 | 2 | Town |
| Silverstreet | 5 | 172 | 162 | 1.18% | 51 | 3 | Town |
| Pomaria | 6 | 134 | 128 | 0.75% | 128 | 1 | Town |
| Peak | 7 | 55 | 51 | 1.85% | 160 | 0 | Town |
Newberry is the largest city in Newberry County, with a population of 10,963.
Peak is the smallest city in Newberry County, with a population of 55.
There are 7 cities in Newberry County, South Carolina.