There are 42 cities in Mahoning 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 | 2024 Population | 2020 Population | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Youngstown | 1 | 58,847 | 59,890 | -0.44% | 1,734 | 33.9 | City |
| Warren | 2 | 38,614 | 39,161 | -0.35% | 2,420 | 16.0 | City |
| Austintown | 3 | 30,517 | 29,467 | 0.2% | 2,627 | 11.6 | CDP |
| Alliance | 4 | 21,490 | 21,630 | -0.16% | 2,385 | 9.0 | City |
| Niles | 5 | 18,201 | 18,420 | -0.3% | 2,116 | 8.6 | City |
| Salem | 6 | 11,660 | 11,878 | -0.47% | 1,813 | 6.4 | City |
| Struthers | 7 | 9,876 | 10,035 | -0.4% | 2,712 | 3.6 | City |
| Girard | 8 | 9,433 | 9,575 | -0.38% | 1,672 | 5.6 | City |
| Campbell | 9 | 7,715 | 7,835 | -0.39% | 2,076 | 3.7 | City |
| Canfield | 10 | 7,587 | 7,677 | -0.3% | 1,486 | 5.1 | City |
| Hubbard | 11 | 7,551 | 7,619 | -0.22% | 1,874 | 4.0 | City |
| Columbiana | 12 | 6,817 | 6,576 | 0.89% | 1,116 | 6.1 | City |
| Champion Heights | 13 | 6,322 | 6,354 | -0.19% | 756 | 8.4 | CDP |
| Newton Falls | 14 | 4,523 | 4,566 | -0.24% | 1,531 | 3.0 | Village |
| Sebring | 15 | 4,121 | 4,177 | -0.34% | 1,652 | 2.5 | Village |
| Mineral Ridge | 16 | 3,966 | 4,130 | 0.15% | 1,113 | 3.6 | CDP |
| Lordstown | 17 | 3,320 | 3,323 | -0.03% | 143 | 23.2 | Village |
| McDonald | 18 | 3,116 | 3,166 | -0.41% | 1,834 | 1.7 | Village |
| Poland | 19 | 2,412 | 2,454 | -0.45% | 1,476 | 1.6 | Village |
| Masury | 20 | 2,237 | 2,088 | 0.58% | 646 | 3.5 | CDP |
| Woodworth | 21 | 2,236 | 1,530 | 7.66% | 724 | 3.1 | CDP |
| Churchill | 22 | 2,109 | 1,995 | -0.14% | 838 | 2.5 | CDP |
| New Middletown | 23 | 1,482 | 1,501 | -0.34% | 1,698 | 0.9 | Village |
| North Lima | 24 | 1,286 | 1,341 | 7.7% | 188 | 6.9 | CDP |
| Craig Beach | 25 | 1,059 | 1,074 | -0.38% | 1,351 | 0.8 | Village |
| South Canal | 26 | 998 | 901 | -0.8% | 591 | 1.7 | CDP |
| Lowellville | 27 | 984 | 1,000 | -0.4% | 723 | 1.4 | Village |
| Leavittsburg | 28 | 973 | 1,468 | -6.89% | 656 | 1.5 | CDP |
| Beloit | 29 | 888 | 902 | -0.45% | 911 | 1.0 | Village |
| Bolton | 30 | 830 | 896 | 7.79% | 1,096 | 0.8 | CDP |
| Washingtonville | 31 | 697 | 712 | -0.57% | 1,043 | 0.7 | Village |
| Hilltop | 32 | 673 | 639 | 1.51% | 896 | 0.8 | CDP |
| New Springfield | 33 | 663 | 359 | 7.8% | 420 | 1.6 | CDP |
| Lake Milton | 34 | 547 | 541 | 7.68% | 368 | 1.5 | CDP |
| Maple Ridge | 35 | 445 | 606 | -4.71% | 242 | 1.8 | CDP |
| Petersburg | 36 | 396 | 472 | 7.9% | 261 | 1.5 | CDP |
| Marlboro | 37 | 284 | 296 | 7.99% | 660 | 0.4 | CDP |
| Maplewood Park | 38 | 274 | 283 | -0.36% | 347 | 0.8 | CDP |
| Salem Heights | 39 | 205 | 322 | 7.33% | 307 | 0.7 | CDP |
| Limaville | 40 | 189 | 210 | 7.39% | 738 | 0.3 | CDP |
| Damascus | 41 | 158 | 286 | -11.73% | 198 | 0.8 | CDP |
| East Alliance | 42 | 134 | 144 | 7.2% | 169 | 0.8 | CDP |
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.
Youngstown is the largest city in Mahoning County.
East Alliance is the smallest city in Mahoning County.
There are 42 cities in Mahoning County, Ohio.