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 |
|---|---|---|---|---|---|---|---|
| Hillsdale | 1 | 7,986 | 8,034 | -0.15% | 1,403 | 5.7 | City |
| Jerome township | 2 | 4,644 | 4,624 | 0.32% | 142 | 32.6 | Township |
| Somerset township | 3 | 4,579 | 4,590 | -0.15% | 137 | 33.4 | Township |
| Jefferson township | 4 | 3,011 | 3,016 | -0.23% | 85 | 35.5 | Township |
| Cambria township | 5 | 2,529 | 2,543 | -0.32% | 73 | 34.8 | Township |
| Adams township | 6 | 2,311 | 2,326 | -0.3% | 65 | 35.6 | Township |
| Jonesville | 7 | 2,166 | 2,184 | -0.23% | 776 | 2.8 | City |
| Camden township | 8 | 2,067 | 2,074 | -0.19% | 49 | 42.4 | Township |
| Hillsdale township | 9 | 1,989 | 2,002 | -0.3% | 158 | 12.6 | Township |
| Scipio township | 10 | 1,844 | 1,842 | -0.16% | 63 | 29.2 | Township |
| Reading township | 11 | 1,715 | 1,731 | -0.41% | 50 | 34.0 | Township |
| Wright township | 12 | 1,599 | 1,616 | -0.44% | 37 | 43.3 | Township |
| Allen township | 13 | 1,593 | 1,603 | -0.31% | 44 | 36.0 | Township |
| Pittsford township | 14 | 1,523 | 1,535 | -0.39% | 43 | 35.4 | Township |
| Litchfield | 15 | 1,381 | 1,393 | -0.22% | 497 | 2.8 | City |
| Moscow township | 16 | 1,370 | 1,376 | -0.22% | 39 | 35.1 | Township |
| Wheatland township | 17 | 1,331 | 1,339 | -0.37% | 37 | 35.7 | Township |
| Woodbridge township | 18 | 1,304 | 1,314 | -0.38% | 43 | 30.1 | Township |
| Amboy township | 19 | 1,169 | 1,176 | -0.26% | 39 | 30.0 | Township |
| Fayette township | 20 | 1,099 | 1,107 | -0.36% | 55 | 20.0 | Township |
| Reading | 21 | 1,082 | 1,093 | -0.28% | 1,069 | 1.0 | City |
| Litchfield township | 22 | 1,019 | 1,026 | -0.39% | 31 | 32.7 | Township |
| Waldron | 23 | 548 | 554 | -0.36% | 548 | 1.0 | Village |
| Camden | 24 | 516 | 516 | 0% | 644 | 0.8 | Village |
| North Adams | 25 | 466 | 470 | -0.21% | 876 | 0.5 | Village |
| Allen | 26 | 218 | 222 | -0.46% | 1,253 | 0.2 | 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.
Hillsdale is the largest city in Hillsdale County.
Allen is the smallest city in Hillsdale County.
There are 26 cities in Hillsdale County, Michigan.