24 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lapeer | 1 | 9,185 | 9,042 | 0.32% | 1,251 | 7.34 | City |
| Almont township | 2 | 7,134 | 6,955 | 0.62% | 194 | 36.80 | Township |
| Oregon township | 3 | 5,727 | 5,706 | 0.17% | 176 | 32.55 | Township |
| Elba township | 4 | 5,255 | 5,234 | 0.19% | 166 | 31.73 | Township |
| Lapeer township | 5 | 4,989 | 4,951 | 0.24% | 165 | 30.17 | Township |
| Dryden township | 6 | 4,828 | 4,796 | 0.27% | 136 | 35.46 | Township |
| Attica township | 7 | 4,735 | 4,705 | 0.23% | 134 | 35.25 | Township |
| Hadley township | 8 | 4,559 | 4,543 | 0.18% | 130 | 35 | Township |
| Metamora township | 9 | 4,554 | 4,378 | 0.82% | 133 | 34.21 | Township |
| Marathon township | 10 | 4,432 | 4,457 | 0.02% | 134 | 33.03 | Township |
| Imlay City | 11 | 3,772 | 3,702 | 0.37% | 1,539 | 2.45 | City |
| North Branch township | 12 | 3,530 | 3,564 | -0.11% | 98 | 36.08 | Township |
| Imlay township | 13 | 3,164 | 3,111 | 0.41% | 95 | 33.47 | Township |
| Almont | 14 | 2,857 | 2,831 | 0.18% | 2,126 | 1.34 | Village |
| Burnside township | 15 | 1,914 | 1,904 | 0.26% | 36 | 53.36 | Township |
| Goodland township | 16 | 1,746 | 1,734 | 0.29% | 49 | 35.58 | Township |
| Rich township | 17 | 1,498 | 1,496 | 0.07% | 43 | 34.98 | Township |
| North Branch | 18 | 1,103 | 1,107 | -0.09% | 765 | 1.44 | Village |
| Dryden | 19 | 1,030 | 1,032 | 0% | 935 | 1.10 | Village |
| Attica | 20 | 1,013 | 915 | 0.1% | 212 | 4.78 | CDP |
| Columbiaville | 21 | 708 | 717 | -0.28% | 803 | 0.88 | Village |
| Metamora | 22 | 609 | 591 | 0.66% | 733 | 0.83 | Village |
| Otter Lake | 23 | 354 | 363 | -0.56% | 469 | 0.76 | Village |
| Clifford | 24 | 309 | 308 | 0% | 205 | 1.51 | Village |
Lapeer is the largest city in Lapeer County, with a population of 9,185.
Clifford is the smallest city in Lapeer County.
There are 24 cities in Lapeer County, Michigan.