13 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sturgeon Bay | 1 | 10,007 | 9,658 | 0.67% | 1,012 | 10 | City |
| Sturgeon Bay | 2 | 10,007 | 9,671 | 0.67% | 1,012 | 10 | City |
| Sister Bay | 3 | 1,173 | 1,148 | 0.26% | 440 | 3 | Village |
| Sister Bay | 4 | 1,173 | 1,157 | 0.26% | 440 | 3 | Village |
| Forestville | 5 | 467 | 485 | -0.85% | 890 | 1 | Village |
| Forestville | 6 | 467 | 485 | -0.85% | 890 | 1 | Village |
| Egg Harbor | 7 | 399 | 359 | 1.79% | 162 | 2 | Village |
| Egg Harbor | 8 | 399 | 361 | 1.79% | 162 | 2 | Village |
| Ephraim | 9 | 339 | 341 | -0.29% | 90 | 4 | Village |
| Ephraim | 10 | 339 | 342 | -0.29% | 90 | 4 | Village |
| Baileys Harbor | 11 | 201 | 187 | -1.47% | 119 | 2 | CDP |
| Ellison Bay | 12 | 136 | 148 | -1.45% | 51 | 3 | CDP |
| Little Sturgeon | 13 | 109 | 181 | -0.91% | 47 | 2 | CDP |
Sturgeon Bay is the largest city in Door County, with a population of 10,007.
Little Sturgeon is the smallest city in Door County, with a population of 109.
There are 13 cities in Door County, Wisconsin.