28 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Madison | 1 | 283,705 | 275,204 | 0.6% | 3,415 | 83 | City |
| Sun Prairie | 2 | 39,101 | 36,073 | 1.57% | 2,986 | 13 | City |
| Fitchburg | 3 | 33,142 | 30,996 | 1.31% | 941 | 35 | City |
| Middleton | 4 | 23,705 | 21,859 | 1.58% | 2,521 | 9 | City |
| Verona | 5 | 16,961 | 14,096 | 3.5% | 2,170 | 8 | City |
| Waunakee | 6 | 15,299 | 14,931 | 0.49% | 2,085 | 7 | Village |
| Stoughton | 7 | 12,945 | 13,192 | -0.38% | 2,117 | 6 | City |
| Oregon | 8 | 11,980 | 11,219 | 1.29% | 2,646 | 5 | Village |
| Cottage Grove | 9 | 9,934 | 7,299 | 5.6% | 2,118 | 5 | Village |
| Windsor | 10 | 9,893 | 8,800 | 2.26% | 360 | 28 | Village |
| McFarland | 11 | 9,735 | 9,047 | 1.44% | 2,006 | 5 | Village |
| Monona | 12 | 8,484 | 8,614 | -0.31% | 2,603 | 3 | City |
| Mount Horeb | 13 | 7,753 | 7,760 | -0.01% | 2,391 | 3 | Village |
| Cross Plains | 14 | 4,017 | 4,104 | -0.42% | 2,136 | 2 | Village |
| Marshall | 15 | 3,822 | 3,792 | 0.16% | 1,783 | 2 | Village |
| Belleville | 16 | 2,792 | 2,497 | 2.16% | 1,757 | 2 | Village |
| Deerfield | 17 | 2,517 | 2,511 | 0.04% | 1,162 | 2 | Village |
| Shorewood Hills | 18 | 2,121 | 2,273 | -1.39% | 2,641 | 1 | Village |
| Lake Ripley | 19 | 2,033 | 1,927 | 0.84% | 609 | 3 | CDP |
| Mazomanie | 20 | 1,733 | 1,775 | -0.46% | 980 | 2 | Village |
| Cambridge | 21 | 1,686 | 1,640 | 0.54% | 1,145 | 1 | Village |
| Black Earth | 22 | 1,417 | 1,494 | -1.05% | 1,679 | 1 | Village |
| Maple Bluff | 23 | 1,268 | 1,368 | -1.55% | 1,809 | 1 | Village |
| Dane | 24 | 1,068 | 1,117 | -0.93% | 902 | 1 | Village |
| Lake Koshkonong | 25 | 943 | 958 | -1.77% | 67 | 14 | CDP |
| Blue Mounds | 26 | 901 | 945 | -0.99% | 1,023 | 1 | Village |
| Rockdale | 27 | 200 | 210 | -0.99% | 712 | 0 | Village |
| Fulton | 28 | 46 | 61 | 6.98% | 295 | 0 | CDP |
Madison is the largest city in Dane County, with a population of 283,705.
Fulton is the smallest city in Dane County, with a population of 46.
There are 28 cities in Dane County, Wisconsin.