Boundary Atlas

ZIP code 48859: Mount Pleasant, MI

ZIP code 48859 is in Mount Pleasant, in Isabella County, Michigan. It is in Michigan's 2nd congressional district. Its state senate district is State Senate District 34; its state house district is State House District 92.

2,424residents (2020 Census)
0.2 sq miland area
1cities and towns
1congressional district
1voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
Mount Pleasant100%

CountyShare of ZIP residents
Isabella County100%

Town or county subdivisionShare of ZIP residents
Mount Pleasant city100%

Congressional district

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

State legislative districts

State senate districtShare of ZIP residents
State Senate District 34100%

State house districtShare of ZIP residents
State House District 92100%

Voting precincts

1 voting precinct overlap ZIP 48859. 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:48859")

ZIP 48859 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.