Boundary Atlas

ZIP code 53508: Belleville, WI

ZIP code 53508 is in Belleville (45% of residents), in Dane County (56%) and Green County (44%), Wisconsin. 55% of its residents live outside city limits. It is in Wisconsin's 2nd congressional district. Its state senate districts are State Senate District 17 (99%) and State Senate District 27 (0.9%); its state house districts are Assembly District 50 (99%) and Assembly District 80 (0.9%).

5,477residents (2020 Census)
67.9 sq miland area
1cities and towns
1congressional district
12voting precincts

See it on the mapAll of Wisconsin

City and county

City or townShare of ZIP residents
Belleville45%

CountyShare of ZIP residents
Dane County56%
Green County44%

Town or county subdivisionShare of ZIP residents
Belleville village35%
Exeter town33%
Montrose town15%
Belleville village11%
Primrose town5.3%
Verona town0.9%
New Glarus town0.2%
Brooklyn town0.1%

Congressional district

Congressional districtShare of ZIP residents
Wisconsin's 2nd congressional district (WI-02)100%

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1799%
State Senate District 270.9%

State house districtShare of ZIP residents
Assembly District 5099%
Assembly District 800.9%

Voting precincts

12 voting precincts overlap ZIP 53508. 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:

related_geographies(id="us:zcta:53508")

ZIP 53508 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.