23 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| East Lansing | 1 | 49,088 | 47,688 | 0.57% | 3,655 | 13.43 | City |
| Meridian charter township | 2 | 44,174 | 43,857 | 0.31% | 1,446 | 30.56 | Township |
| Delhi charter township | 3 | 27,869 | 27,763 | 0.11% | 975 | 28.59 | Township |
| Mason | 4 | 8,075 | 8,270 | -0.48% | 1,580 | 5.11 | City |
| Lansing charter township | 5 | 7,909 | 8,126 | -0.52% | 1,608 | 4.92 | Township |
| Williamstown township | 6 | 5,247 | 5,285 | -0.06% | 179 | 29.25 | Township |
| Aurelius township | 7 | 4,331 | 4,352 | -0.07% | 119 | 36.34 | Township |
| Stockbridge township | 8 | 3,944 | 3,914 | 0.23% | 111 | 35.46 | Township |
| Williamston | 9 | 3,744 | 3,814 | -0.37% | 1,526 | 2.45 | City |
| Vevay township | 10 | 3,552 | 3,602 | -0.25% | 113 | 31.56 | Township |
| Onondaga township | 11 | 2,986 | 2,991 | 0.1% | 83 | 36.11 | Township |
| Mason township | 12 | 2,892 | 2,837 | 0.7% | 143 | 20.23 | Township |
| Alaiedon township | 13 | 2,874 | 2,911 | -0.28% | 81 | 35.45 | Township |
| Ingham township | 14 | 2,350 | 2,397 | -0.34% | 72 | 32.67 | Township |
| Leslie township | 15 | 2,282 | 2,307 | -0.04% | 65 | 34.91 | Township |
| Bunker Hill township | 16 | 1,971 | 1,956 | 0.15% | 60 | 32.88 | Township |
| Leslie | 17 | 1,891 | 1,921 | -0.32% | 1,474 | 1.28 | City |
| Locke township | 18 | 1,769 | 1,803 | -0.28% | 49 | 35.84 | Township |
| Wheatfield township | 19 | 1,627 | 1,659 | -0.31% | 56 | 28.96 | Township |
| Stockbridge | 20 | 1,296 | 1,251 | 0.7% | 862 | 1.50 | Village |
| Webberville | 21 | 1,277 | 1,306 | -0.47% | 702 | 1.82 | Village |
| White Oak township | 22 | 1,208 | 1,191 | 0.67% | 33 | 36.28 | Township |
| Dansville | 23 | 508 | 527 | -0.78% | 505 | 1 | Village |
East Lansing is the largest city in Ingham County, with a population of 49,088.
Dansville is the smallest city in Ingham County.
There are 23 cities in Ingham County, Michigan.