Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cincinnati | 1 | 311,595 | 309,601 | 0.16% | 3,999 | 77.9 | City |
| Amelia | 2 | 14,453 | 10,308 | 7.7% | 2,611 | 5.5 | CDP |
| Loveland | 3 | 13,107 | 13,302 | -0.37% | 2,472 | 5.3 | City |
| Montgomery | 4 | 10,783 | 10,853 | -0.17% | 2,032 | 5.3 | City |
| Withamsville | 5 | 7,933 | 7,754 | 0.83% | 2,536 | 3.1 | CDP |
| Dry Run | 6 | 7,440 | 8,200 | 0.16% | 1,564 | 4.8 | CDP |
| Milford | 7 | 6,403 | 6,570 | -0.65% | 1,725 | 3.7 | City |
| The Village Indian Hill | 8 | 5,996 | 6,084 | -0.37% | 307 | 19.5 | City |
| Mount Carmel | 9 | 4,954 | 4,813 | 0.3% | 2,707 | 1.8 | CDP |
| Summerside | 10 | 4,420 | 4,352 | -1.07% | 2,141 | 2.1 | CDP |
| Mulberry | 11 | 4,196 | 4,210 | 1.52% | 2,618 | 1.6 | CDP |
| Cherry Grove | 12 | 4,135 | 4,237 | -0.43% | 3,653 | 1.1 | CDP |
| Mount Repose | 13 | 3,599 | 3,661 | -2.07% | 1,754 | 2.1 | CDP |
| New Richmond | 14 | 2,782 | 2,728 | 0.47% | 788 | 3.5 | Village |
| Bethel | 15 | 2,671 | 2,623 | 0.45% | 1,872 | 1.4 | Village |
| Newtown | 16 | 2,640 | 2,700 | -0.56% | 1,277 | 2.1 | Village |
| Williamsburg | 17 | 2,635 | 2,590 | 0.42% | 1,030 | 2.6 | Village |
| Day Heights | 18 | 2,226 | 2,484 | -1.24% | 1,890 | 1.2 | CDP |
| Batavia | 19 | 2,011 | 1,982 | 0.35% | 635 | 3.2 | Village |
| Coldstream | 20 | 1,557 | 1,383 | 1.83% | 559 | 2.8 | CDP |
| Goshen | 21 | 882 | 652 | 7.69% | 476 | 1.9 | CDP |
| Owensville | 22 | 814 | 798 | 0.49% | 1,317 | 0.6 | Village |
| Remington | 23 | 662 | 445 | 3.76% | 2,904 | 0.2 | CDP |
| Felicity | 24 | 659 | 646 | 0.46% | 2,496 | 0.3 | Village |
| Moscow | 25 | 158 | 154 | 0.64% | 431 | 0.4 | Village |
| Butlerville | 26 | 156 | 156 | 0% | 1,431 | 0.1 | Village |
| Miamiville | 27 | 140 | 239 | -5.41% | 414 | 0.3 | CDP |
| Marathon | 28 | 130 | 345 | 8.33% | 765 | 0.2 | CDP |
| Neville | 29 | 87 | 86 | 0% | 220 | 0.4 | Village |
| Chilo | 30 | 72 | 70 | 0% | 356 | 0.2 | Village |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Cincinnati is the largest city in Clermont County.
Chilo is the smallest city in Clermont County.
There are 30 cities in Clermont County, Ohio.