| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Toledo | 1 | 261,949 | 270,280 | -0.56% | 3,255 | 80 | City |
| Oregon | 2 | 19,608 | 19,924 | -0.34% | 687 | 29 | City |
| Sylvania | 3 | 18,847 | 19,019 | -0.19% | 2,828 | 7 | City |
| Maumee | 4 | 13,449 | 13,862 | -0.53% | 1,339 | 10 | City |
| Waterville | 5 | 6,038 | 6,022 | 0.02% | 1,169 | 5 | City |
| Whitehouse | 6 | 5,087 | 5,003 | 0.28% | 1,180 | 4 | Village |
| Ottawa Hills | 7 | 4,777 | 4,801 | -0.1% | 2,540 | 2 | Village |
| Holland | 8 | 1,757 | 1,819 | -0.51% | 1,778 | 1 | Village |
| Berkey | 9 | 282 | 274 | 0.36% | 67 | 4 | Village |
| Harbor View | 10 | 90 | 90 | 0% | 3,913 | 0 | Village |
Toledo is the largest city in Lucas County, with a population of 261,949.
Harbor View is the smallest city in Lucas County, with a population of 90.
There are 10 cities in Lucas County, Ohio.