18 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hamburg | 1 | 20,780 | 21,252 | -0.83% | 645 | 32 | Township |
| Genoa | 2 | 20,746 | 20,655 | 0.53% | 613 | 34 | Township |
| Green Oak | 3 | 19,886 | 19,542 | -0.09% | 581 | 34 | Township |
| Brighton | 4 | 19,432 | 19,142 | -0.45% | 589 | 33 | Township |
| Hartland | 5 | 16,515 | 15,319 | 3.2% | 460 | 36 | Township |
| Oceola | 6 | 14,848 | 14,674 | 0.35% | 411 | 36 | Township |
| Tyrone | 7 | 12,201 | 12,004 | -0.09% | 344 | 35 | Township |
| Howell | 8 | 9,874 | 10,071 | -0.4% | 1,978 | 5 | City |
| Handy | 9 | 8,901 | 8,620 | 0.8% | 259 | 34 | Township |
| Howell | 10 | 8,674 | 7,891 | 1.06% | 273 | 32 | Township |
| Brighton | 11 | 8,051 | 7,461 | 1.49% | 2,291 | 4 | City |
| Putnam | 12 | 7,713 | 7,878 | -0.61% | 226 | 34 | Township |
| Iosco | 13 | 3,852 | 3,876 | -0.39% | 109 | 35 | Township |
| Unadilla | 14 | 3,260 | 3,331 | -0.7% | 96 | 34 | Township |
| Cohoctah | 15 | 3,152 | 3,241 | -1.01% | 83 | 38 | Township |
| Fowlerville | 16 | 2,871 | 2,946 | -0.52% | 1,243 | 2 | Village |
| Pinckney | 17 | 2,324 | 2,396 | -0.64% | 1,441 | 2 | Village |
| Hartland | 18 | 906 | 706 | 7.09% | 397 | 2 | CDP |
Hamburg is the largest city in Livingston County, with a population of 20,780.
Hartland is the smallest city in Livingston County, with a population of 906.
There are 18 cities in Livingston County, Michigan.