44 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Adrian | 1 | 20,169 | 20,616 | -0.44% | 2,519 | 8 | City |
| Tecumseh | 2 | 8,590 | 8,669 | -0.19% | 1,521 | 6 | City |
| Raisin | 3 | 8,157 | 7,909 | 0.8% | 226 | 36 | Township |
| Madison charter | 4 | 7,619 | 8,434 | 0.36% | 251 | 30 | Township |
| Addison | 5 | 6,429 | 6,252 | 1.2% | 181 | 36 | Township |
| Adrian | 6 | 6,315 | 6,398 | 0.03% | 186 | 34 | Township |
| Deerfield | 7 | 5,782 | 5,757 | 0.03% | 162 | 36 | Township |
| Cambridge | 8 | 5,753 | 5,727 | 0.33% | 180 | 32 | Township |
| Deerfield | 9 | 4,068 | 4,166 | -0.85% | 112 | 36 | Township |
| Blissfield | 10 | 3,831 | 3,911 | -0.18% | 184 | 21 | Township |
| Clinton | 11 | 3,707 | 3,757 | -0.08% | 204 | 18 | Township |
| Woodstock | 12 | 3,571 | 3,608 | -0.08% | 105 | 34 | Township |
| Deerfield | 13 | 3,413 | 3,255 | 1.1% | 96 | 35 | Township |
| Blissfield | 14 | 3,243 | 3,316 | -0.46% | 1,463 | 2 | Village |
| Rollin | 15 | 3,024 | 3,036 | 0.13% | 90 | 34 | Township |
| Clinton | 16 | 2,475 | 2,524 | -0.4% | 1,350 | 2 | Village |
| Hudson | 17 | 2,347 | 2,417 | -0.59% | 1,071 | 2 | City |
| Morenci | 18 | 2,207 | 2,270 | -0.59% | 1,041 | 2 | City |
| Tecumseh | 19 | 2,026 | 2,044 | 0.15% | 161 | 13 | Township |
| Palmyra | 20 | 1,995 | 2,022 | -0.1% | 55 | 36 | Township |
| Deerfield | 21 | 1,872 | 1,788 | 0.59% | 52 | 36 | Township |
| Rome | 22 | 1,775 | 1,818 | -0.28% | 50 | 36 | Township |
| Fairfield | 23 | 1,651 | 1,664 | 0.18% | 39 | 42 | Township |
| Dover | 24 | 1,645 | 1,662 | 0.06% | 47 | 35 | Township |
| Hudson | 25 | 1,513 | 1,496 | 0.4% | 43 | 35 | Township |
| Riga | 26 | 1,486 | 1,285 | 3.05% | 36 | 41 | Township |
| Ridgeway | 27 | 1,485 | 1,528 | -0.27% | 52 | 29 | Township |
| Deerfield | 28 | 1,461 | 1,499 | -0.27% | 58 | 25 | Township |
| Macon | 29 | 1,295 | 1,321 | -0.15% | 40 | 33 | Township |
| Seneca | 30 | 1,114 | 1,142 | -0.18% | 28 | 40 | Township |
| Medina | 31 | 1,083 | 1,115 | -0.37% | 23 | 48 | Township |
| Jasper | 32 | 1,082 | 1,063 | 0.09% | 30 | 36 | Township |
| Clayton | 33 | 1,009 | 1,001 | -0.39% | 31 | 32 | Township |
| Onsted | 34 | 998 | 1,001 | -0.1% | 935 | 1 | Village |
| Ogden | 35 | 891 | 910 | -0.22% | 21 | 42 | Township |
| Deerfield | 36 | 880 | 910 | -0.68% | 929 | 1 | Village |
| Hudson | 37 | 677 | 670 | 0.15% | 20 | 34 | Township |
| Addison | 38 | 582 | 601 | -0.68% | 609 | 1 | Village |
| Britton | 39 | 556 | 574 | -0.71% | 703 | 1 | Village |
| Clinton | 40 | 447 | 427 | 0.45% | 6 | 71 | Township |
| Cement City | 41 | 413 | 422 | -0.48% | 464 | 1 | Village |
| Jasper | 42 | 327 | 344 | -1.8% | 81 | 4 | CDP |
| Clayton | 43 | 317 | 325 | -0.63% | 442 | 1 | Village |
| Hudson | 44 | 202 | 190 | 2.02% | 3 | 69 | Township |
Adrian is the largest city in Lenawee County, with a population of 20,169.
Hudson is the smallest city in Lenawee County, with a population of 202.
There are 44 cities in Lenawee County, Michigan.