Boundary Atlas

ZIP code 54755: Mondovi, WI

ZIP code 54755 is in Mondovi (39% of residents), Rock Falls (2.2%) and Gilmanton (2.1%), in Buffalo County (68%), Dunn County (12%), Eau Claire County (11%) and Pepin County (9.2%), Wisconsin. 57% of its residents live outside city limits. It is in Wisconsin's 3rd congressional district. Its state senate districts are State Senate District 10 (77%) and State Senate District 31 (23%); its state house districts are Assembly District 29 (77%) and Assembly District 93 (23%).

7,342residents (2020 Census)
259.3 sq miland area
3cities and towns
1congressional district
19voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Mondovi39%
Rock Falls2.2%
Gilmanton2.1%

CountyShare of ZIP residents
Buffalo County68%
Dunn County12%
Eau Claire County11%
Pepin County9.2%

Town or county subdivisionShare of ZIP residents
Mondovi city39%
Rock Creek town9.5%
Naples town9.4%
Albany town9.2%
Drammen town7.6%
Mondovi town6.1%
Dover town5.4%
Gilmanton town5.4%
Brunswick town3.5%
Peru town2.1%
Canton town1.4%
Modena town1.1%
Montana town0.4%
Lincoln town<0.1%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WI-03)Derrick Van Orden (R)202-225-5506100%
U.S. SenatorRon Johnson (R)202-224-5323 · contact formstatewide
U.S. SenatorTammy Baldwin (D)202-224-5653 · contact formstatewide
State Senator (State Senate District 10)Rob Stafsholt (R)77%
State Senator (State Senate District 31)Jeff Smith (Democratic)23%
Assembly Member (Assembly District 29)Treig Pronschinske (R)77%
Assembly Member (Assembly District 93)Christian Phelps (Democratic)23%

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1077%
State Senate District 3123%

State house districtShare of ZIP residents
Assembly District 2977%
Assembly District 9323%

Voting precincts

19 voting precincts overlap ZIP 54755. 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:54755")

ZIP 54755 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.