ZIP code 53931: Fairwater, WI

ZIP code 53931 is in Fairwater, in Fond du Lac County, Wisconsin. It is in Wisconsin's 6th congressional district. Its state senate district is State Senate District 13; its state house district is Assembly District 39.

346residents (2020 Census)

0.7 sq miland area

1cities and towns

1congressional district

1voting precincts

See it on the map All of Wisconsin

City and county

City or town	Share of ZIP residents
Fairwater	100%

County	Share of ZIP residents
Fond du Lac County	100%

Town or county subdivision	Share of ZIP residents
Fairwater village	100%

Congressional district

Congressional district	Share of ZIP residents
Wisconsin's 6th congressional district (WI-06)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (WI-06)	Glenn Grothman (R)	202-225-2476	100%
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 13)	John Jagler (R)		100%
Assembly Member (Assembly District 39)	Alex Dallman (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

Fairwater website: http://www.fairwater.wlhn.org/
Fairwater laws: search for the Fairwater, 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 13	100%

State house district	Share of ZIP residents
Assembly District 39	100%

Voting precincts

1 voting precinct overlap ZIP 53931. 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:53931")

ZIP 53931 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.