ZIP code 54720: Altoona, WI

ZIP code 54720 is in Altoona (96% of residents), in Eau Claire County, Wisconsin. It is in Wisconsin's 3rd congressional district. Its state senate district is State Senate District 31; its state house district is Assembly District 91.

8,580residents (2020 Census)

4.7 sq miland area

2cities and towns

1congressional district

14voting precincts

See it on the map All of Wisconsin

City and county

City or town	Share of ZIP residents
Altoona	96%
Eau Claire	0.1%

County	Share of ZIP residents
Eau Claire County	100%

Town or county subdivision	Share of ZIP residents
Altoona city	96%
Washington town	3.9%
Eau Claire city	0.1%

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 31)	Jeff Smith (Democratic)		100%
Assembly Member (Assembly District 91)	Jodi Emerson (Democratic)		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

Altoona website: http://www.ci.altoona.wi.us/
Altoona laws: search for the Altoona, Wisconsin code of ordinances
Eau Claire County website: http://www.co.eau-claire.wi.us
Eau Claire County laws: search for the Eau Claire County, Wisconsin code of ordinances

State legislative districts

State senate district	Share of ZIP residents
State Senate District 31	100%

State house district	Share of ZIP residents
Assembly District 91	100%

Voting precincts

14 voting precincts overlap ZIP 54720. 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:54720")

ZIP 54720 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.