43 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Adrian | 1 | 20,080 | 20,616 | -0.44% | 2,508 | 8 | City |
| Tecumseh | 2 | 8,574 | 8,669 | -0.19% | 1,518 | 6 | City |
| Raisin | 3 | 8,222 | 7,909 | 0.8% | 227 | 36 | Township |
| Madison charter | 4 | 7,646 | 8,434 | 0.35% | 252 | 30 | Township |
| Addison | 5 | 6,505 | 6,252 | 1.18% | 183 | 36 | Township |
| Adrian | 6 | 6,317 | 6,398 | 0.03% | 186 | 34 | Township |
| Deerfield | 7 | 5,784 | 5,757 | 0.03% | 162 | 36 | Township |
| Cambridge | 8 | 5,772 | 5,727 | 0.33% | 181 | 32 | Township |
| Deerfield | 9 | 4,033 | 4,166 | -0.86% | 111 | 36 | Township |
| Blissfield | 10 | 3,824 | 3,911 | -0.18% | 183 | 21 | Township |
| Clinton | 11 | 3,704 | 3,757 | -0.08% | 204 | 18 | Township |
| Woodstock | 12 | 3,568 | 3,608 | -0.08% | 105 | 34 | Township |
| Deerfield | 13 | 3,450 | 3,255 | 1.08% | 97 | 35 | Township |
| Blissfield | 14 | 3,229 | 3,316 | -0.43% | 1,434 | 2 | Village |
| Rollin | 15 | 3,028 | 3,036 | 0.13% | 90 | 34 | Township |
| Clinton | 16 | 2,465 | 2,524 | -0.4% | 1,344 | 2 | Village |
| Hudson | 17 | 2,333 | 2,417 | -0.6% | 1,064 | 2 | City |
| Morenci | 18 | 2,195 | 2,270 | -0.54% | 1,035 | 2 | City |
| Tecumseh | 19 | 2,029 | 2,044 | 0.15% | 161 | 13 | Township |
| Palmyra | 20 | 1,993 | 2,022 | -0.1% | 55 | 36 | Township |
| Deerfield | 21 | 1,883 | 1,788 | 0.59% | 53 | 36 | Township |
| Rome | 22 | 1,770 | 1,818 | -0.28% | 49 | 36 | Township |
| Fairfield | 23 | 1,654 | 1,664 | 0.18% | 39 | 42 | Township |
| Dover | 24 | 1,646 | 1,662 | 0.06% | 47 | 35 | Township |
| Riga | 25 | 1,530 | 1,285 | 2.96% | 37 | 41 | Township |
| Hudson | 26 | 1,519 | 1,496 | 0.4% | 43 | 35 | Township |
| Ridgeway | 27 | 1,481 | 1,528 | -0.27% | 52 | 29 | Township |
| Deerfield | 28 | 1,457 | 1,499 | -0.27% | 58 | 25 | Township |
| Macon | 29 | 1,293 | 1,321 | -0.15% | 40 | 33 | Township |
| Seneca | 30 | 1,112 | 1,142 | -0.18% | 28 | 40 | Township |
| Jasper | 31 | 1,083 | 1,063 | 0.09% | 30 | 36 | Township |
| Medina | 32 | 1,079 | 1,115 | -0.37% | 23 | 48 | Township |
| Clayton | 33 | 1,005 | 1,001 | -0.4% | 31 | 32 | Township |
| Onsted | 34 | 998 | 1,001 | 0% | 935 | 1 | Village |
| Ogden | 35 | 889 | 910 | -0.22% | 21 | 42 | Township |
| Deerfield | 36 | 874 | 910 | -0.68% | 923 | 1 | Village |
| Hudson | 37 | 678 | 670 | 0.15% | 20 | 34 | Township |
| Addison | 38 | 578 | 601 | -0.69% | 605 | 1 | Village |
| Britton | 39 | 553 | 574 | -0.54% | 699 | 1 | Village |
| Clinton | 40 | 449 | 427 | 0.45% | 6 | 71 | Township |
| Cement City | 41 | 411 | 422 | -0.48% | 461 | 1 | Village |
| Clayton | 42 | 316 | 325 | -0.32% | 441 | 1 | Village |
| Hudson | 43 | 206 | 190 | 1.98% | 3 | 69 | Township |
Adrian is the largest city in Lenawee County, with a population of 20,080.
Hudson is the smallest city in Lenawee County, with a population of 206.
There are 43 cities in Lenawee County, Michigan.