3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Lawrence | 1 | 98,437 | 94,939 | 0.6% | 2,848 | 35 | City |
| Eudora | 2 | 6,638 | 6,415 | 0.56% | 1,980 | 3 | City |
| Baldwin City | 3 | 5,068 | 4,818 | 0.84% | 1,785 | 3 | City |
Lawrence is the largest city in Douglas County, with a population of 98,437.
Baldwin City is the smallest city in Douglas County, with a population of 5,068.
There are 3 cities in Douglas County, Kansas.