ZIP code 53040: Kewaskum, WI
ZIP code 53040 is in Kewaskum (52% of residents), in Washington County (90%), Fond du Lac County (5.9%) and Sheboygan County (4.1%), Wisconsin. 48% of its residents live outside city limits. It is in Wisconsin's 5th congressional district (90%) and Wisconsin's 6th congressional district (10%). Its state senate district is State Senate District 20; its state house district is Assembly District 59.
See it on the mapAll of Wisconsin
City and county
| City or town | Share of ZIP residents |
|---|---|
| Kewaskum | 52% |
| County | Share of ZIP residents |
|---|---|
| Washington County | 90% |
| Fond du Lac County | 5.9% |
| Sheboygan County | 4.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Kewaskum village | 52% |
| Farmington town | 16% |
| Kewaskum town | 13% |
| Auburn town | 5.8% |
| Barton town | 5.4% |
| Scott town | 4.1% |
| Wayne town | 3.4% |
| Ashford town | <0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Wisconsin's 5th congressional district (WI-05) | 90% |
| Wisconsin's 6th congressional district (WI-06) | 10% |
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-05) | Scott Fitzgerald (R) | 202-225-5101 | 90% |
| U.S. Representative (WI-06) | Glenn Grothman (R) | 202-225-2476 | 10% |
| 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 20) | Dan Feyen (R) | 920-952-7001 | 100% |
| Assembly Member (Assembly District 59) | Rob Brooks (R) | 100% |
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
- Kewaskum website: http://www.village.kewaskum.wi.us
- Kewaskum laws: search for the Kewaskum, Wisconsin code of ordinances
- Washington County laws: search for the Washington County, Wisconsin code of ordinances
- Fond du Lac County website: http://www.fdlco.wi.gov
- Fond du Lac County laws: search for the Fond du Lac County, Wisconsin code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 20 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 59 | 100% |
Voting precincts
21 voting precincts overlap ZIP 53040. 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:53040")
ZIP 53040 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.