ZIP code 53937: Washington, WI
ZIP code 53937 is in Sauk County (85%) and Richland County (15%), Wisconsin, outside any city or Census-designated place. It is in Wisconsin's 2nd congressional district (85%) and Wisconsin's 3rd congressional district (15%). Its state senate district is State Senate District 14; its state house districts are Assembly District 41 (83%) and Assembly District 40 (17%).
See it on the mapAll of Wisconsin
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Sauk County | 85% |
| Richland County | 15% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Washington town | 68% |
| Bear Creek town | 14% |
| Ithaca town | 12% |
| Willow town | 3.5% |
| Franklin town | 3.4% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 2nd congressional district (WI-02) | 85% |
| Wisconsin's 3rd congressional district (WI-03) | 15% |
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 | 85% |
| U.S. Representative (WI-03) | Derrick Van Orden (R) | 202-225-5506 | 15% |
| 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 41) | Tony Kurtz (R) | 83% | |
| Assembly Member (Assembly District 40) | Karen DeSanto (Democratic) | 17% |
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
- Sauk County website: http://www.co.sauk.wi.us
- Sauk County laws: search for the Sauk County, Wisconsin code of ordinances
- Richland County website: http://www.co.richland.wi.us
- Richland County laws: search for the Richland 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 41 | 83% |
| Assembly District 40 | 17% |
Voting precincts
6 voting precincts overlap ZIP 53937. 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:53937")
ZIP 53937 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.