18 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hamburg township | 1 | 20,828 | 21,260 | -0.82% | 646 | 32.24 | Township |
| Brighton township | 2 | 20,380 | 19,143 | 1.89% | 618 | 32.97 | Township |
| Genoa township | 3 | 20,295 | 20,662 | -0.69% | 600 | 33.84 | Township |
| Green Oak township | 4 | 20,103 | 19,528 | 0.31% | 588 | 34.20 | Township |
| Hartland township | 5 | 15,315 | 15,316 | -0.49% | 427 | 35.87 | Township |
| Oceola township | 6 | 14,698 | 14,672 | -0.15% | 407 | 36.13 | Township |
| Tyrone township | 7 | 11,902 | 11,987 | -0.37% | 336 | 35.46 | Township |
| Howell | 8 | 9,961 | 10,078 | -0.23% | 1,996 | 4.99 | City |
| Howell township | 9 | 8,910 | 7,901 | 2.14% | 280 | 31.80 | Township |
| Handy township | 10 | 8,880 | 8,624 | 0.48% | 258 | 34.37 | Township |
| Brighton | 11 | 8,302 | 7,441 | 2.12% | 2,363 | 3.51 | City |
| Putnam township | 12 | 7,694 | 7,875 | -0.72% | 226 | 34.09 | Township |
| Iosco township | 13 | 3,867 | 3,878 | -0.23% | 110 | 35.19 | Township |
| Unadilla township | 14 | 3,275 | 3,331 | -0.73% | 97 | 33.80 | Township |
| Cohoctah township | 15 | 3,166 | 3,243 | -0.78% | 83 | 37.92 | Township |
| Fowlerville | 16 | 2,918 | 2,950 | -0.21% | 1,263 | 2.31 | Village |
| Pinckney | 17 | 2,327 | 2,392 | -0.56% | 1,443 | 1.61 | Village |
| Hartland | 18 | 906 | 706 | 7.09% | 397 | 2.28 | CDP |
Hamburg township is the largest city in Livingston County, with a population of 20,828.
Hartland is the smallest city in Livingston County.
There are 18 cities in Livingston County, Michigan.