14 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Morgan township | 1 | 2,257 | 2,288 | -0.13% | 189 | 11.94 | Township |
| Malta township | 2 | 1,664 | 1,698 | -0.3% | 64 | 25.94 | Township |
| McConnelsville | 3 | 1,626 | 1,658 | -0.37% | 907 | 1.79 | Village |
| Bloom township | 4 | 983 | 946 | 0.82% | 39 | 25.03 | Township |
| Meigsville township | 5 | 935 | 936 | 0% | 30 | 31.12 | Township |
| York township | 6 | 743 | 767 | -0.67% | 30 | 24.47 | Township |
| Center township | 7 | 640 | 653 | -0.47% | 20 | 32.09 | Township |
| Penn township | 8 | 637 | 650 | -0.31% | 28 | 22.89 | Township |
| Union township | 9 | 603 | 611 | -0.17% | 17 | 36.42 | Township |
| Malta | 10 | 551 | 561 | -0.36% | 1,606 | 0.34 | Village |
| Stockport | 11 | 469 | 481 | -0.42% | 1,426 | 0.33 | Village |
| Chesterhill | 12 | 264 | 274 | -0.75% | 490 | 0.54 | Village |
| Bristol township | 13 | 175 | 181 | -1.13% | 5 | 37.69 | Township |
| Rose Farm | 14 | 116 | 83 | 7.41% | 795 | 0.15 | CDP |
Morgan township is the largest city in Morgan County, with a population of 2,257.
Rose Farm is the smallest city in Morgan County.
There are 14 cities in Morgan County, Ohio.