12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Eugene | 1 | 178,873 | 178,436 | 0.05% | 4,002 | 45 | City |
| Springfield | 2 | 61,011 | 61,865 | -0.28% | 3,800 | 16 | City |
| Cottage Grove | 3 | 10,702 | 10,642 | 0.11% | 2,765 | 4 | City |
| Florence | 4 | 9,511 | 9,476 | 0.07% | 1,717 | 6 | City |
| Junction City | 5 | 7,389 | 6,721 | 1.83% | 2,234 | 3 | City |
| Creswell | 6 | 5,609 | 5,637 | -0.11% | 3,271 | 2 | City |
| Veneta | 7 | 5,186 | 5,226 | -0.15% | 2,018 | 3 | City |
| Oakridge | 8 | 3,145 | 3,210 | -0.41% | 1,455 | 2 | City |
| Dunes City | 9 | 1,410 | 1,430 | -0.28% | 525 | 3 | City |
| Coburg | 10 | 1,356 | 1,314 | 0.59% | 1,135 | 1 | City |
| Lowell | 11 | 1,302 | 1,206 | 1.48% | 1,505 | 1 | City |
| Westfir | 12 | 253 | 260 | -0.78% | 806 | 0 | City |
Eugene is the largest city in Lane County, with a population of 178,873.
Westfir is the smallest city in Lane County, with a population of 253.
There are 12 cities in Lane County, Oregon.