ZIP code 53089: Sussex, WI

ZIP code 53089 is in Sussex (58% of residents), Lisbon (38%) and Merton (3.6%), in Waukesha County, Wisconsin. It is in Wisconsin's 5th congressional district. Its state senate district is State Senate District 33; its state house districts are Assembly District 98 (100%) and Assembly District 99 (0.1%).

19,657residents (2020 Census)

26.9 sq miland area

3cities and towns

1congressional district

18voting precincts

See it on the map All of Wisconsin

City and county

City or town	Share of ZIP residents
Sussex	58%
Lisbon	38%
Merton	3.6%

County	Share of ZIP residents
Waukesha County	100%

Town or county subdivision	Share of ZIP residents
Sussex village	58%
Lisbon village	38%
Merton village	3.6%
Merton town	0.1%

Congressional district

Congressional district	Share of ZIP residents
Wisconsin's 5th congressional district (WI-05)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (WI-05)	Scott Fitzgerald (R)	202-225-5101	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 33)	Chris Kapenga (R)		100%
Assembly Member (Assembly District 98)	Jim Piwowarczyk (R)		100%
Assembly Member (Assembly District 99)	Barbara Dittrich (R)		0.1%

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

Sussex laws: search for the Sussex, Wisconsin code of ordinances
Lisbon website: https://lisbonwi.gov
Lisbon laws: search for the Lisbon, Wisconsin code of ordinances
Merton laws: search for the Merton, Wisconsin code of ordinances
Waukesha County website: http://www.waukeshacounty.gov
Waukesha County laws: search for the Waukesha County, Wisconsin code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 33	100%

State house district	Share of ZIP residents
Assembly District 98	100%
Assembly District 99	0.1%

Voting precincts

18 voting precincts overlap ZIP 53089. 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:

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ZIP 53089 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.