ZIP code 54138: Lakewood, WI

ZIP code 54138 is in Lakewood (29% of residents), in Oconto County, Wisconsin. 71% of its residents live outside city limits. It is in Wisconsin's 8th congressional district. Its state senate district is State Senate District 12; its state house district is Assembly District 36.

831residents (2020 Census)

72.1 sq miland area

1cities and towns

1congressional district

3voting precincts

See it on the map All of Wisconsin

City and county

City or town	Share of ZIP residents
Lakewood	29%

County	Share of ZIP residents
Oconto County	100%

Town or county subdivision	Share of ZIP residents
Lakewood town	100%
Riverview town	0.2%

Congressional district

Congressional district	Share of ZIP residents
Wisconsin's 8th congressional district (WI-08)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (WI-08)	Tony Wied (R)	202-225-5665	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 12)	Mary Felzkowski (R)		100%
Assembly Member (Assembly District 36)	Jeff Mursau (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

Lakewood laws: search for the Lakewood, Wisconsin code of ordinances
Oconto County website: https://www.co.oconto.wi.us/
Oconto County laws: search for the Oconto County, Wisconsin code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 12	100%

State house district	Share of ZIP residents
Assembly District 36	100%

Voting precincts

3 voting precincts overlap ZIP 54138. 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:

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ZIP 54138 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.