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 |
|---|---|---|---|---|---|---|---|
| Jackson | 1 | 30,702 | 31,309 | -0.49% | 2,833 | 10.8 | City |
| Blackman charter township | 2 | 25,160 | 25,654 | -1.1% | 793 | 31.7 | Township |
| Summit township | 3 | 22,684 | 22,873 | -0.14% | 778 | 29.1 | Township |
| Leoni township | 4 | 13,733 | 13,822 | -0.11% | 282 | 48.6 | Township |
| Spring Arbor township | 5 | 8,538 | 8,532 | 0.34% | 243 | 35.1 | Township |
| Columbia township | 6 | 7,434 | 7,379 | 0.12% | 203 | 36.6 | Township |
| Napoleon township | 7 | 6,691 | 6,780 | -0.24% | 231 | 29.0 | Township |
| Grass Lake charter township | 8 | 6,215 | 6,071 | 0.53% | 134 | 46.5 | Township |
| Rives township | 9 | 4,772 | 4,742 | 0.21% | 133 | 35.8 | Township |
| Henrietta township | 10 | 4,712 | 4,676 | 0.4% | 131 | 36.0 | Township |
| Sandstone township | 11 | 3,879 | 3,925 | -0.21% | 108 | 36.0 | Township |
| Hanover township | 12 | 3,667 | 3,651 | 0.16% | 105 | 34.8 | Township |
| Liberty township | 13 | 3,071 | 3,051 | 0.23% | 90 | 34.3 | Township |
| Waterloo township | 14 | 2,985 | 2,924 | 0.68% | 63 | 47.6 | Township |
| Norvell township | 15 | 2,796 | 2,799 | -0.04% | 95 | 29.5 | Township |
| Concord township | 16 | 2,735 | 2,734 | 0.11% | 77 | 35.7 | Township |
| Tompkins township | 17 | 2,654 | 2,615 | 0.49% | 74 | 36.0 | Township |
| Parma township | 18 | 2,634 | 2,665 | -0.19% | 73 | 36.3 | Township |
| Springport township | 19 | 2,119 | 2,143 | -0.28% | 59 | 36.1 | Township |
| Pulaski township | 20 | 1,877 | 1,886 | -0.05% | 52 | 36.2 | Township |
| Hanover township | 21 | 1,719 | 1,701 | 0.29% | 48 | 36.0 | Township |
| Brooklyn | 22 | 1,396 | 1,360 | 0.65% | 1,488 | 0.9 | Village |
| Grass Lake | 23 | 1,092 | 1,108 | -0.36% | 1,162 | 0.9 | Village |
| Concord | 24 | 1,082 | 1,090 | -0.18% | 725 | 1.5 | Village |
| Springport | 25 | 815 | 829 | -0.49% | 647 | 1.3 | Village |
| Parma | 26 | 763 | 773 | -0.39% | 727 | 1.1 | Village |
| Hanover | 27 | 469 | 479 | -0.64% | 1,117 | 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.
Jackson is the largest city in Jackson County.
Hanover is the smallest city in Jackson County.
There are 27 cities in Jackson County, Michigan.