5 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Caldwell | 1 | 1,955 | 1,678 | 2.41% | 2,199 | 1 | Village |
| Summerfield | 2 | 242 | 242 | 0% | 652 | 0 | Village |
| Belle Valley | 3 | 198 | 200 | 0% | 486 | 0 | Village |
| Sarahsville | 4 | 150 | 150 | 0% | 888 | 0 | Village |
| Dexter City | 5 | 82 | 84 | 0% | 491 | 0 | Village |
Caldwell is the largest city in Noble County, with a population of 1,955.
Dexter City is the smallest city in Noble County, with a population of 82.
There are 5 cities in Noble County, Ohio.