ZIP code 53913: Baraboo, WI
ZIP code 53913 is in Baraboo (60% of residents), West Baraboo (7.7%) and Lake Delton (4.9%), in Sauk County (100%) and Columbia County (0.2%), Wisconsin. 28% of its residents live outside city limits. It is in Wisconsin's 2nd congressional district (100%) and Wisconsin's 6th congressional district (0.2%). Its state senate district is State Senate District 14; its state house districts are Assembly District 40 (85%) and Assembly District 41 (15%).
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Baraboo | 60% |
| West Baraboo | 7.7% |
| Lake Delton | 4.9% |
| County | Share of ZIP residents |
|---|---|
| Sauk County | 100% |
| Columbia County | 0.2% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Baraboo city | 60% |
| Baraboo town | 8.1% |
| Delton town | 8.1% |
| West Baraboo village | 7.7% |
| Fairfield town | 5.1% |
| Lake Delton village | 4.9% |
| Greenfield town | 4.3% |
| Excelsior town | 1.7% |
| Caledonia town | 0.2% |
| Sumpter town | 0.1% |
| Merrimac town | land only |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 2nd congressional district (WI-02) | 100% |
| Wisconsin's 6th congressional district (WI-06) | 0.2% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (WI-02) | Mark Pocan (D) | 202-225-2906 | 100% |
| U.S. Representative (WI-06) | Glenn Grothman (R) | 202-225-2476 | 0.2% |
| U.S. Senator | Ron Johnson (R) | 202-224-5323 · contact form | statewide |
| U.S. Senator | Tammy Baldwin (D) | 202-224-5653 · contact form | statewide |
| State Senator (State Senate District 14) | Sarah Keyeski (Democratic) | 100% | |
| Assembly Member (Assembly District 40) | Karen DeSanto (Democratic) | 85% | |
| Assembly Member (Assembly District 41) | Tony Kurtz (R) | 15% |
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
Local government
- Baraboo website: http://www.cityofbaraboo.com/
- Baraboo laws: search for the Baraboo, Wisconsin code of ordinances
- West Baraboo laws: search for the West Baraboo, Wisconsin code of ordinances
- Lake Delton website: http://www.lakedelton.org
- Lake Delton laws: search for the Lake Delton, Wisconsin code of ordinances
- Sauk County website: http://www.co.sauk.wi.us
- Sauk County laws: search for the Sauk County, Wisconsin code of ordinances
- Columbia County laws: search for the Columbia County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 14 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 40 | 85% |
| Assembly District 41 | 15% |
Voting precincts
38 voting precincts overlap ZIP 53913. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:53913")
ZIP 53913 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.