ZIP code 53074: Port Washington, WI

ZIP code 53074 is in Port Washington (86% of residents), in Ozaukee County, Wisconsin. 14% of its residents live outside city limits. It is in Wisconsin's 6th congressional district. Its state senate districts are State Senate District 8 (97%) and State Senate District 20 (2.6%); its state house districts are Assembly District 22 (97%) and Assembly District 59 (2.6%).

13,379residents (2020 Census)

30.3 sq miland area

2cities and towns

1congressional district

13voting precincts

See it on the map All of Wisconsin

City and county

City or town	Share of ZIP residents
Port Washington	86%
Saukville	<0.1%

County	Share of ZIP residents
Ozaukee County	100%

Town or county subdivision	Share of ZIP residents
Port Washington city	86%
Port Washington town	11%
Saukville town	1.4%
Belgium town	1.1%
Saukville village	<0.1%

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 8)	Jodi Habush Sinykin (Democratic)		97%
State Senator (State Senate District 20)	Dan Feyen (R)	920-952-7001	2.6%
Assembly Member (Assembly District 22)	Paul Melotik (R)		97%
Assembly Member (Assembly District 59)	Rob Brooks (R)		2.6%

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

Port Washington website: http://www.ci.port-washington.wi.us/
Port Washington laws: search for the Port Washington, Wisconsin code of ordinances
Ozaukee County website: http://www.co.ozaukee.wi.us
Ozaukee County laws: search for the Ozaukee County, Wisconsin code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 8	97%
State Senate District 20	2.6%

State house district	Share of ZIP residents
Assembly District 22	97%
Assembly District 59	2.6%

Voting precincts

13 voting precincts overlap ZIP 53074. 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:53074")

ZIP 53074 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.