ZIP code 53154: Oak Creek, WI

ZIP code 53154 is in Oak Creek, in Milwaukee County, Wisconsin. It is in Wisconsin's 1st congressional district. Its state senate district is State Senate District 7; its state house district is Assembly District 21.

36,497residents (2020 Census)

28.5 sq miland area

1cities and towns

1congressional district

18voting precincts

See it on the map All of Wisconsin

City and county

City or town	Share of ZIP residents
Oak Creek	100%

County	Share of ZIP residents
Milwaukee County	100%

Town or county subdivision	Share of ZIP residents
Oak Creek city	100%

Congressional district

Congressional district	Share of ZIP residents
Wisconsin's 1st congressional district (WI-01)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (WI-01)	Bryan Steil (R)	202-225-3031	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 7)	Chris Larson (Democratic)		100%
Assembly Member (Assembly District 21)	Jessie Rodriguez (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

Oak Creek website: http://www.oakcreekwi.org/
Oak Creek laws: search for the Oak Creek, Wisconsin code of ordinances
Milwaukee County website: http://www.county.milwaukee.gov
Milwaukee County laws: search for the Milwaukee County, Wisconsin code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 7	100%

State house district	Share of ZIP residents
Assembly District 21	100%

Voting precincts

18 voting precincts overlap ZIP 53154. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

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ZIP 53154 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.