ZIP code 54723: Bay City, WI

ZIP code 54723 is in Bay City (37% of residents), in Pierce County, Wisconsin. 63% of its residents live outside city limits. It is in Wisconsin's 3rd congressional district. Its state senate district is State Senate District 10; its state house district is Assembly District 29.

1,177residents (2020 Census)

32.6 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
Bay City	37%

County	Share of ZIP residents
Pierce County	100%

Town or county subdivision	Share of ZIP residents
Hartland town	40%
Bay City village	37%
Isabelle town	22%

Congressional district

Congressional district	Share of ZIP residents
Wisconsin's 3rd congressional district (WI-03)	100%

Elected officials

Office	Member	Contact	Share of residents
U.S. Representative (WI-03)	Derrick Van Orden (R)	202-225-5506	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 10)	Rob Stafsholt (R)		100%
Assembly Member (Assembly District 29)	Treig Pronschinske (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

Bay City website: http://www.baycitywi.org/
Bay City laws: search for the Bay City, Wisconsin code of ordinances
Pierce County website: https://www.co.pierce.wi.us/
Pierce County laws: search for the Pierce County, Wisconsin code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 10	100%

State house district	Share of ZIP residents
Assembly District 29	100%

Voting precincts

3 voting precincts overlap ZIP 54723. 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:54723")

ZIP 54723 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.