There are 44 cities in Warren County, Ohio.
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 | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Middletown | 1 | Ohio | 51,629 | 51,025 | 0.29% | 1,972 | 26.18 |
| Mason | 2 | Ohio | 35,919 | 34,882 | 0.73% | 1,865 | 19.26 |
| Centerville | 3 | Ohio | 26,259 | 24,237 | 1.96% | 2,393 | 10.97 |
| Lebanon | 4 | Ohio | 21,977 | 20,864 | 1.28% | 1,668 | 13.18 |
| Miamisburg | 5 | Ohio | 19,781 | 19,913 | -0.17% | 1,614 | 12.26 |
| Springboro | 6 | Ohio | 19,589 | 19,131 | 0.58% | 2,127 | 9.21 |
| Monroe | 7 | Ohio | 15,646 | 15,460 | 0.29% | 991 | 15.78 |
| Trenton | 8 | Ohio | 13,986 | 13,072 | 1.66% | 2,832 | 4.94 |
| Sharonville | 9 | Ohio | 13,810 | 14,097 | -0.52% | 1,408 | 9.81 |
| Blue Ash | 10 | Ohio | 13,410 | 13,401 | 0.01% | 1,768 | 7.58 |
| Loveland | 11 | Ohio | 13,107 | 13,302 | -0.37% | 2,472 | 5.30 |
| West Carrollton | 12 | Ohio | 12,797 | 13,105 | -0.6% | 1,991 | 6.43 |
| Franklin | 13 | Ohio | 11,642 | 11,685 | -0.09% | 1,262 | 9.23 |
| Montgomery | 14 | Ohio | 10,783 | 10,853 | -0.17% | 2,032 | 5.31 |
| Landen | 15 | Ohio | 8,416 | 7,882 | 1.62% | 4,150 | 2.03 |
| South Lebanon | 16 | Ohio | 6,905 | 6,456 | 1.65% | 2,014 | 3.43 |
| Moraine | 17 | Ohio | 6,635 | 6,438 | 0.74% | 715 | 9.28 |
| The Village Indian Hill | 18 | Ohio | 5,996 | 6,084 | -0.37% | 307 | 19.51 |
| Carlisle | 19 | Ohio | 5,815 | 5,513 | 1.31% | 1,634 | 3.56 |
| Germantown | 20 | Ohio | 5,810 | 5,805 | 0.02% | 1,376 | 4.22 |
| Hunter | 21 | Ohio | 4,690 | 3,918 | 4.29% | 2,168 | 2.16 |
| Blanchester | 22 | Ohio | 4,218 | 4,228 | -0.07% | 1,032 | 4.09 |
| Sixteen Mile Stand | 23 | Ohio | 3,853 | 3,120 | 2.34% | 3,462 | 1.11 |
| Four Bridges | 24 | Ohio | 3,453 | 3,220 | -0.83% | 1,573 | 2.19 |
| Waynesville | 25 | Ohio | 2,856 | 2,679 | 1.57% | 1,209 | 2.36 |
| Evendale | 26 | Ohio | 2,617 | 2,668 | -0.49% | 549 | 4.77 |
| Morrow | 27 | Ohio | 2,195 | 2,063 | 1.53% | 1,078 | 2.04 |
| Loveland Park | 28 | Ohio | 1,766 | 2,388 | -1.62% | 1,366 | 1.29 |
| Five Points | 29 | Ohio | 1,704 | 1,600 | 1.55% | 828 | 2.06 |
| Maineville | 30 | Ohio | 1,512 | 1,415 | 1.61% | 952 | 1.59 |
| Kings Mills | 31 | Ohio | 1,154 | 1,164 | -0.17% | 1,025 | 1.13 |
| Jacksonburg | 32 | Ohio | 888 | 54 | 30.59% | 44,400 | 0.02 |
| Goshen | 33 | Ohio | 860 | 652 | 6.44% | 464 | 1.85 |
| Remington | 34 | Ohio | 588 | 445 | -2.16% | 2,579 | 0.23 |
| Harveysburg | 35 | Ohio | 573 | 555 | 0.7% | 576 | 0.99 |
| Clarksville | 36 | Ohio | 535 | 534 | 0% | 1,148 | 0.47 |
| Corwin | 37 | Ohio | 524 | 490 | 1.55% | 1,593 | 0.33 |
| Highpoint | 38 | Ohio | 405 | 1,347 | -36.72% | 1,177 | 0.34 |
| Roachester | 39 | Ohio | 338 | 578 | -12.89% | 258 | 1.31 |
| Midland | 40 | Ohio | 300 | 308 | -0.66% | 843 | 0.36 |
| Brecon | 41 | Ohio | 290 | 828 | -31.6% | 441 | 0.66 |
| Butlerville | 42 | Ohio | 156 | 156 | 0% | 1,431 | 0.11 |
| Pleasant Plain | 43 | Ohio | 137 | 129 | 1.48% | 846 | 0.16 |
| Miamiville | 44 | Ohio | 71 | 239 | -37.17% | 210 | 0.34 |
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.
Middletown is the largest city in Warren County.
Miamiville is the smallest city in Warren County.
There are 44 cities in Warren County, Ohio.