Boundary Atlas

ZIP code 54817: Cedar Lake, WI

ZIP code 54817 is in Birchwood (16% of residents), in Washburn County (39%), Barron County (33%), Sawyer County (24%) and Rusk County (4.4%), Wisconsin. 84% of its residents live outside city limits. It is in Wisconsin's 7th congressional district. Its state senate districts are State Senate District 25 (63%) and State Senate District 23 (37%); its state house districts are Assembly District 74 (63%), Assembly District 67 (33%) and Assembly District 68 (4.4%).

2,455residents (2020 Census)
160.0 sq miland area
1cities and towns
1congressional district
13voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Birchwood16%

CountyShare of ZIP residents
Washburn County39%
Barron County33%
Sawyer County24%
Rusk County4.4%

Town or county subdivisionShare of ZIP residents
Cedar Lake town31%
Edgewater town23%
Birchwood town17%
Birchwood village16%
Long Lake town5.8%
Wilson town4.4%
Oak Grove town1.5%
Couderay town0.7%
Meteor town0.3%
Murry townland only

Congressional district

Congressional districtShare of ZIP residents
Wisconsin's 7th congressional district (WI-07)100%

Members of Congress

OfficeMemberContact
U.S. Representative (WI-07)Thomas P. Tiffany (R)202-225-3365
U.S. SenatorRon Johnson (R)202-224-5323 · contact form
U.S. SenatorTammy Baldwin (D)202-224-5653 · contact form

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate districtShare of ZIP residents
State Senate District 2563%
State Senate District 2337%

State house districtShare of ZIP residents
Assembly District 7463%
Assembly District 6733%
Assembly District 684.4%

Voting precincts

13 voting precincts overlap ZIP 54817. 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://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

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ZIP 54817 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.