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 |
|---|---|---|---|---|---|---|---|
| Mount Pleasant | 1 | 20,569 | 21,729 | -1.39% | 2,664 | 7.7 | City |
| Union charter township | 2 | 11,722 | 11,730 | -0.37% | 416 | 28.2 | Township |
| Chippewa township | 3 | 4,604 | 4,532 | 0.11% | 128 | 35.9 | Township |
| Sherman township | 4 | 3,189 | 3,130 | 0.19% | 92 | 34.7 | Township |
| Coe township | 5 | 3,051 | 3,039 | -0.23% | 84 | 36.2 | Township |
| Isabella township | 6 | 2,177 | 2,148 | 0% | 60 | 36.3 | Township |
| Lake Isabella | 7 | 1,938 | 1,901 | 0.47% | 557 | 3.5 | Village |
| Broomfield township | 8 | 1,898 | 1,869 | 0% | 54 | 34.9 | Township |
| Shepherd | 9 | 1,505 | 1,496 | 0.13% | 1,573 | 1.0 | Village |
| Rolland township | 10 | 1,420 | 1,409 | -0.14% | 40 | 35.8 | Township |
| Wise township | 11 | 1,360 | 1,346 | -0.07% | 37 | 36.5 | Township |
| Gilmore township | 12 | 1,335 | 1,320 | 0% | 38 | 35.6 | Township |
| Denver township | 13 | 1,145 | 1,129 | 0% | 31 | 36.4 | Township |
| Rosebush | 14 | 358 | 356 | 0% | 403 | 0.9 | Village |
| McBride | 15 | 221 | 217 | 0.46% | 570 | 0.4 | 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.
Mount Pleasant is the largest city in Isabella County.
McBride is the smallest city in Isabella County.
There are 15 cities in Isabella County, Michigan.