15 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Loveland | 1 | 13,263 | 13,304 | -0.05% | 2,502 | 5 | City |
| Montgomery | 2 | 11,002 | 10,851 | 0.23% | 2,073 | 5 | City |
| Milford | 3 | 6,362 | 6,574 | -0.55% | 1,714 | 4 | City |
| The Village of Indian Hill | 4 | 6,094 | 6,082 | 0.03% | 312 | 20 | City |
| New Richmond | 5 | 2,829 | 2,727 | 0.6% | 801 | 4 | Village |
| Bethel | 6 | 2,715 | 2,621 | 0.59% | 1,903 | 1 | Village |
| Newtown | 7 | 2,679 | 2,702 | -0.15% | 1,296 | 2 | Village |
| Williamsburg | 8 | 2,676 | 2,583 | 0.6% | 1,046 | 3 | Village |
| Batavia | 9 | 2,046 | 1,986 | 0.49% | 594 | 3 | Village |
| Owensville | 10 | 828 | 800 | 0.61% | 1,340 | 1 | Village |
| Felicity | 11 | 668 | 646 | 0.6% | 2,530 | 0 | Village |
| Moscow | 12 | 161 | 155 | 0.63% | 439 | 0 | Village |
| Butlerville | 13 | 155 | 157 | 0% | 1,422 | 0 | Village |
| Neville | 14 | 91 | 87 | 1.11% | 230 | 0 | Village |
| Chilo | 15 | 73 | 69 | 1.39% | 361 | 0 | Village |
Loveland is the largest city in Clermont County, with a population of 13,263.
Chilo is the smallest city in Clermont County, with a population of 73.
There are 15 cities in Clermont County, Ohio.