Boundary Atlas

ZIP code 53531: Deerfield, WI

ZIP code 53531 is in Deerfield (55% of residents), in Dane County, Wisconsin. 45% of its residents live outside city limits. It is in Wisconsin's 2nd congressional district. Its state senate district is State Senate District 16; its state house districts are Assembly District 46 (99%), Assembly District 48 (0.9%) and Assembly District 47 (0.5%).

4,558residents (2020 Census)
41.1 sq miland area
1cities and towns
1congressional district
12voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Deerfield55%

CountyShare of ZIP residents
Dane County100%

Town or county subdivisionShare of ZIP residents
Deerfield village55%
Deerfield town30%
Cottage Grove town7.0%
Christiana town5.9%
Sun Prairie town0.9%
Pleasant Springs town0.5%
Medina town0.4%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WI-02)Mark Pocan (D)202-225-2906100%
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)99%
Assembly Member (Assembly District 48)Andrew Hysell (Democratic)0.9%
Assembly Member (Assembly District 47)Randy Udell (Democratic)0.5%

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 4699%
Assembly District 480.9%
Assembly District 470.5%

Voting precincts

12 voting precincts overlap ZIP 53531. Map them, with each precinct's share of the ZIP's residents.

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ZIP 53531 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.