Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | 2024 Pop. | 2020 Pop. | Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Baraboo | 1 | 12,557 | 12,544 | 0.02% | 1,709 | 7.3 | City |
| Reedsburg | 2 | 10,242 | 10,033 | 0.51% | 1,683 | 6.1 | City |
| Lake Delton | 3 | 3,669 | 3,509 | 1.1% | 482 | 7.6 | Village |
| Sauk City | 4 | 3,459 | 3,521 | -0.46% | 2,158 | 1.6 | Village |
| Spring Green | 5 | 1,528 | 1,562 | -0.59% | 916 | 1.7 | Village |
| Plain | 6 | 727 | 746 | -0.68% | 800 | 0.9 | Village |
| Bluffview | 7 | 595 | 731 | -1.81% | 1,545 | 0.4 | CDP |
| North Freedom | 8 | 582 | 602 | -0.85% | 695 | 0.8 | Village |
| Merrimac | 9 | 518 | 518 | 0% | 629 | 0.8 | Village |
| La Valle | 10 | 373 | 389 | -1.06% | 937 | 0.4 | Village |
| Rock Springs | 11 | 324 | 327 | -0.31% | 249 | 1.3 | Village |
| Loganville | 12 | 286 | 300 | -1.38% | 1,079 | 0.3 | Village |
| Lime Ridge | 13 | 153 | 159 | -1.29% | 153 | 1.0 | Village |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Baraboo is the largest city in Sauk County.
Lime Ridge is the smallest city in Sauk County.
There are 13 cities in Sauk County, Wisconsin.