ZIP CodesZIP codes in Sauk County, Wisconsin
Sauk County, Wisconsin has 15 ZIP codes in this list, from 53561 to 53961. They cover 14 places, among them Reedsburg, Merrimac, Plain and Prairie Du Sac.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 53561 | Merrimac | 36.5 | 43.386, -89.632 |
| 53577 | Plain | 45.9 | 43.293, -90.056 |
| 53578 | Prairie Du Sac | 43.1 | 43.296, -89.745 |
| 53583 | Sauk City | 74.7 | 43.269, -89.742 |
| 53588 | Spring Green | 140 | 43.188, -90.068 |
| 53913 | Baraboo | 139 | 43.483, -89.746 |
| 53937 | Hillpoint | 52.6 | 43.395, -90.159 |
| 53940 | Lake Delton | 0.0 | 43.594, -89.791 |
| 53941 | La Valle | 68.7 | 43.570, -90.128 |
| 53942 | Lime Ridge | 1.3 | 43.468, -90.162 |
| 53943 | Loganville | 50.5 | 43.405, -90.034 |
| 53951 | North Freedom | 73.0 | 43.411, -89.849 |
| 53958 | Reedsburg | no area | 43.394, -89.956 |
| 53959 | Reedsburg | 112 | 43.532, -89.996 |
| 53961 | Rock Springs | 23.6 | 43.468, -89.922 |
The ZIP code areas of Sauk County add up to about 860 square miles of land (2,228 sq km) as the Census Bureau draws them. The largest is 53588 (Spring Green), with 140 square miles.
Places with more than one code here: Reedsburg (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Merrimac, WI 53561.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.