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 | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Youngstown | 1 | Ohio | 58,847 | 59,890 | -0.44% | 1,734 | 33.93 |
| Warren | 2 | Ohio | 38,614 | 39,161 | -0.35% | 2,420 | 15.96 |
| Austintown | 3 | Ohio | 30,833 | 29,467 | 0.71% | 2,654 | 11.62 |
| Alliance | 4 | Ohio | 21,490 | 21,630 | -0.16% | 2,385 | 9.01 |
| Niles | 5 | Ohio | 18,201 | 18,420 | -0.3% | 2,116 | 8.60 |
| Salem | 6 | Ohio | 11,660 | 11,878 | -0.47% | 1,813 | 6.43 |
| Struthers | 7 | Ohio | 9,876 | 10,035 | -0.4% | 2,712 | 3.64 |
| Girard | 8 | Ohio | 9,433 | 9,575 | -0.38% | 1,672 | 5.64 |
| Campbell | 9 | Ohio | 7,715 | 7,835 | -0.39% | 2,076 | 3.72 |
| Canfield | 10 | Ohio | 7,587 | 7,677 | -0.3% | 1,486 | 5.10 |
| Hubbard | 11 | Ohio | 7,551 | 7,619 | -0.22% | 1,874 | 4.03 |
| Columbiana | 12 | Ohio | 6,817 | 6,576 | 0.89% | 1,116 | 6.11 |
| Champion Heights | 13 | Ohio | 6,340 | 6,354 | -0.05% | 758 | 8.37 |
| Newton Falls | 14 | Ohio | 4,523 | 4,566 | -0.24% | 1,531 | 2.96 |
| Sebring | 15 | Ohio | 4,121 | 4,177 | -0.34% | 1,652 | 2.50 |
| Mineral Ridge | 16 | Ohio | 3,891 | 4,130 | -0.82% | 1,092 | 3.56 |
| Lordstown | 17 | Ohio | 3,320 | 3,323 | -0.03% | 143 | 23.19 |
| McDonald | 18 | Ohio | 3,116 | 3,166 | -0.41% | 1,834 | 1.70 |
| Poland | 19 | Ohio | 2,412 | 2,454 | -0.45% | 1,476 | 1.63 |
| Masury | 20 | Ohio | 2,336 | 2,088 | 2.73% | 675 | 3.46 |
| Woodworth | 21 | Ohio | 2,304 | 1,530 | 9.19% | 746 | 3.09 |
| Churchill | 22 | Ohio | 2,235 | 1,995 | 2.76% | 888 | 2.52 |
| New Middletown | 23 | Ohio | 1,482 | 1,501 | -0.34% | 1,698 | 0.87 |
| South Canal | 24 | Ohio | 1,125 | 901 | 5.24% | 666 | 1.69 |
| Craig Beach | 25 | Ohio | 1,059 | 1,074 | -0.38% | 1,351 | 0.78 |
| Lowellville | 26 | Ohio | 984 | 1,000 | -0.4% | 723 | 1.36 |
| Beloit | 27 | Ohio | 888 | 902 | -0.45% | 911 | 0.97 |
| North Lima | 28 | Ohio | 863 | 1,341 | -12.12% | 126 | 6.86 |
| Leavittsburg | 29 | Ohio | 764 | 1,468 | -18.72% | 515 | 1.48 |
| Washingtonville | 30 | Ohio | 697 | 712 | -0.57% | 1,043 | 0.67 |
| Bolton | 31 | Ohio | 681 | 896 | -2.15% | 900 | 0.76 |
| Hilltop | 32 | Ohio | 667 | 639 | 1.06% | 888 | 0.75 |
| New Springfield | 33 | Ohio | 634 | 359 | 5.49% | 401 | 1.58 |
| Lake Milton | 34 | Ohio | 397 | 541 | -8.31% | 267 | 1.49 |
| Maple Ridge | 35 | Ohio | 386 | 606 | -11.87% | 210 | 1.84 |
| Maplewood Park | 36 | Ohio | 267 | 283 | -1.48% | 338 | 0.79 |
| Petersburg | 37 | Ohio | 206 | 472 | -24.27% | 136 | 1.52 |
| Marlboro | 38 | Ohio | 190 | 296 | -12.04% | 442 | 0.43 |
| Limaville | 39 | Ohio | 114 | 210 | -17.39% | 445 | 0.26 |
| Damascus | 40 | Ohio | 112 | 286 | -27.74% | 140 | 0.80 |
| East Alliance | 41 | Ohio | 86 | 144 | -14% | 108 | 0.79 |
| Salem Heights | 42 | Ohio | 30 | 322 | -70.87% | 45 | 0.67 |
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.
Salem Heights is the smallest city in Mahoning County.
There are 42 cities in Mahoning County, Ohio.