Boundary Atlas

ZIP code 53559: Marshall, WI

ZIP code 53559 is in Marshall (62% of residents), in Dane County (100%) and Jefferson County (0.2%), Wisconsin. 38% of its residents live outside city limits. It is in Wisconsin's 2nd congressional district (100%) and Wisconsin's 5th congressional district (0.2%). Its state senate district is State Senate District 16; its state house districts are Assembly District 46 (86%) and Assembly District 48 (14%).

6,104residents (2020 Census)
66.3 sq miland area
1cities and towns
2congressional districts
13voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Marshall62%

CountyShare of ZIP residents
Dane County100%
Jefferson County0.2%

Town or county subdivisionShare of ZIP residents
Marshall village62%
Medina town21%
Sun Prairie town8.4%
York town5.7%
Deerfield town2.8%
Waterloo town0.2%
Lake Mills town<0.1%

Congressional districts

Congressional districtShare of ZIP residents
Wisconsin's 2nd congressional district (WI-02)100%
Wisconsin's 5th congressional district (WI-05)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

OfficeMemberContactShare of residents
U.S. Representative (WI-02)Mark Pocan (D)202-225-2906100%
U.S. Representative (WI-05)Scott Fitzgerald (R)202-225-51010.2%
U.S. SenatorRon Johnson (R)202-224-5323 · contact formstatewide
U.S. SenatorTammy Baldwin (D)202-224-5653 · contact formstatewide
State Senator (State Senate District 16)Melissa Ratcliff (Democratic)100%
Assembly Member (Assembly District 46)Joan Fitzgerald (Democratic)86%
Assembly Member (Assembly District 48)Andrew Hysell (Democratic)14%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 16100%

State house districtShare of ZIP residents
Assembly District 4686%
Assembly District 4814%

Voting precincts

13 voting precincts overlap ZIP 53559. Map them, with each precinct's share of the ZIP's residents.

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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:53559")

ZIP 53559 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.