| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Adrian | 1 | 20,108 | 20,621 | -0.41% | 2,511 | 8 | City |
| Tecumseh | 2 | 8,595 | 8,666 | -0.15% | 1,522 | 6 | City |
| Raisin | 3 | 8,226 | 7,910 | 0.75% | 227 | 36 | Township |
| Madison | 4 | 7,506 | 8,428 | -0.42% | 247 | 30 | Township |
| Addison | 5 | 6,363 | 6,249 | 0.66% | 179 | 36 | Township |
| Adrian | 6 | 6,332 | 6,397 | 0.16% | 187 | 34 | Township |
| Deerfield | 7 | 5,813 | 5,758 | 0.19% | 163 | 36 | Township |
| Cambridge | 8 | 5,781 | 5,729 | 0.31% | 181 | 32 | Township |
| Deerfield | 9 | 4,105 | 4,163 | 0.07% | 113 | 36 | Township |
| Blissfield | 10 | 3,835 | 3,916 | -0.03% | 184 | 21 | Township |
| Clinton | 11 | 3,695 | 3,756 | -0.14% | 203 | 18 | Township |
| Woodstock | 12 | 3,571 | 3,611 | -0.2% | 105 | 34 | Township |
| Deerfield | 13 | 3,361 | 3,254 | -0.15% | 95 | 35 | Township |
| Blissfield | 14 | 3,246 | 3,323 | -0.49% | 1,442 | 2 | Village |
| Rollin | 15 | 3,022 | 3,036 | 0.07% | 90 | 34 | Township |
| Clinton | 16 | 2,471 | 2,524 | -0.4% | 1,347 | 2 | Village |
| Hudson | 17 | 2,332 | 2,417 | -0.64% | 1,064 | 2 | City |
| Morenci | 18 | 2,205 | 2,273 | -0.59% | 1,040 | 2 | City |
| Tecumseh | 19 | 2,014 | 2,035 | 0% | 160 | 13 | Township |
| Palmyra | 20 | 1,994 | 2,028 | -0.25% | 55 | 36 | Township |
| Deerfield | 21 | 1,900 | 1,786 | 0.96% | 53 | 36 | Township |
| Rome | 22 | 1,777 | 1,818 | -0.17% | 50 | 36 | Township |
| Dover | 23 | 1,650 | 1,660 | 0.3% | 47 | 35 | Township |
| Fairfield | 24 | 1,645 | 1,665 | -0.12% | 39 | 42 | Township |
| Riga | 25 | 1,531 | 1,289 | 2.82% | 37 | 41 | Township |
| Hudson | 26 | 1,504 | 1,496 | -0.07% | 43 | 35 | Township |
| Ridgeway | 27 | 1,475 | 1,529 | -0.61% | 51 | 29 | Township |
| Deerfield | 28 | 1,472 | 1,500 | 0.07% | 59 | 25 | Township |
| Macon | 29 | 1,321 | 1,331 | 0.53% | 40 | 33 | Township |
| Seneca | 30 | 1,116 | 1,142 | 0% | 28 | 40 | Township |
| Medina | 31 | 1,083 | 1,117 | -0.28% | 23 | 48 | Township |
| Jasper | 32 | 1,069 | 1,064 | -0.37% | 30 | 36 | Township |
| Clayton | 33 | 1,017 | 1,001 | 0.3% | 32 | 32 | Township |
| Onsted | 34 | 1,001 | 1,001 | -0.1% | 938 | 1 | Village |
| Ogden | 35 | 895 | 913 | -0.11% | 21 | 42 | Township |
| Deerfield | 36 | 881 | 911 | -0.68% | 930 | 1 | Village |
| Hudson | 37 | 673 | 670 | -0.3% | 20 | 34 | Township |
| Addison | 38 | 579 | 600 | -0.69% | 606 | 1 | Village |
| Britton | 39 | 553 | 575 | -0.72% | 699 | 1 | Village |
| Clinton | 40 | 457 | 428 | 1.11% | 6.0 | 71 | Township |
| Cement City | 41 | 415 | 423 | -0.48% | 466 | 1 | Village |
| Clayton | 42 | 318 | 322 | -0.63% | 444 | 1 | Village |
| Hudson | 43 | 200 | 191 | 1.01% | 3.0 | 69 | Township |
Adrian is the largest city in Lenawee County, with a population of 20,108.
Hudson is the smallest city in Lenawee County, with a population of 200.
There are 43 cities in Lenawee County, Michigan.