31 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Battle Creek | 1 | 51,855 | 52,655 | -0.31% | 1,217 | 43 | City |
| Bedford | 2 | 31,707 | 31,868 | -0.17% | 809 | 39 | Township |
| Emmett charter | 3 | 11,839 | 11,736 | 0.42% | 369 | 32 | Township |
| Bedford charter | 4 | 9,200 | 9,199 | 0.22% | 317 | 29 | Township |
| Pennfield charter | 5 | 8,739 | 8,767 | 0.18% | 255 | 34 | Township |
| Albion | 6 | 7,085 | 7,694 | -1.69% | 1,607 | 4 | City |
| Marshall | 7 | 6,741 | 6,823 | -0.24% | 1,038 | 6 | City |
| Springfield | 8 | 5,276 | 5,288 | -0.04% | 1,440 | 4 | City |
| Homer | 9 | 4,010 | 3,986 | 0.15% | 192 | 21 | Township |
| Level Park-Oak Park | 10 | 3,353 | 3,638 | -0.09% | 645 | 5 | CDP |
| Marshall | 11 | 3,182 | 3,152 | 0.32% | 103 | 31 | Township |
| Homer | 12 | 2,956 | 2,893 | 0.78% | 83 | 36 | Township |
| Newton | 13 | 2,816 | 2,785 | 0.36% | 78 | 36 | Township |
| Athens | 14 | 2,457 | 2,442 | 0.37% | 68 | 36 | Township |
| Marengo | 15 | 2,250 | 2,200 | 0.72% | 64 | 35 | Township |
| Burlington | 16 | 1,993 | 1,957 | 0.45% | 56 | 36 | Township |
| Clarence | 17 | 1,895 | 1,899 | 0.16% | 58 | 33 | Township |
| Brownlee Park | 18 | 1,887 | 1,964 | -0.79% | 933 | 2 | CDP |
| South Gull Lake | 19 | 1,686 | 1,615 | 2.06% | 1,248 | 1 | CDP |
| Homer | 20 | 1,622 | 1,592 | 0.37% | 1,163 | 1 | Village |
| Fredonia | 21 | 1,592 | 1,591 | 0.19% | 47 | 34 | Township |
| Tekonsha | 22 | 1,539 | 1,520 | 0.52% | 43 | 35 | Township |
| Convis | 23 | 1,520 | 1,505 | 0.33% | 43 | 35 | Township |
| Burlington | 24 | 1,420 | 1,410 | 0.21% | 41 | 35 | Township |
| Eckford | 25 | 1,278 | 1,298 | -0.16% | 36 | 35 | Township |
| Clarendon | 26 | 1,198 | 1,182 | 0.5% | 34 | 36 | Township |
| Albion | 27 | 1,097 | 1,094 | 0.27% | 34 | 33 | Township |
| Lee | 28 | 1,070 | 1,058 | 0.56% | 30 | 36 | Township |
| Athens | 29 | 954 | 969 | -0.31% | 947 | 1 | Village |
| Tekonsha | 30 | 666 | 671 | -0.15% | 671 | 1 | Village |
| Burlington | 31 | 302 | 302 | 0% | 397 | 1 | Village |
Battle Creek is the largest city in Calhoun County, with a population of 51,855.
Burlington is the smallest city in Calhoun County, with a population of 302.
There are 31 cities in Calhoun County, Michigan.