Boundary Atlas

ZIP code 54646: Necedah, WI

ZIP code 54646 is in Necedah (22% of residents), in Juneau County, Wisconsin. 78% of its residents live outside city limits. It is in Wisconsin's 7th congressional district. Its state senate district is State Senate District 24; its state house district is Assembly District 72.

4,115residents (2020 Census)
165.6 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
Necedah22%

CountyShare of ZIP residents
Juneau County100%

Town or county subdivisionShare of ZIP residents
Necedah town59%
Necedah village22%
Armenia town11%
Germantown town4.5%
Finley town2.1%
Cutler town0.3%
Clearfield town<0.1%
Kingston townland only

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (WI-07)Thomas P. Tiffany (R)202-225-3365100%
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 24)Patrick Testin (R)100%
Assembly Member (Assembly District 72)Scott Krug (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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 24100%

State house districtShare of ZIP residents
Assembly District 72100%

Voting precincts

13 voting precincts overlap ZIP 54646. 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:54646")

ZIP 54646 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.