Boundary Atlas

ZIP code 48801: Alma, MI

ZIP code 48801 is in Alma (73% of residents), in Gratiot County, Michigan. 27% of its residents live outside city limits. It is in Michigan's 2nd congressional district. Its state senate district is State Senate District 34; its state house districts are State House District 92 (98%) and State House District 93 (2.4%).

13,006residents (2020 Census)
70.8 sq miland area
1cities and towns
1congressional district
8voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
Alma73%

CountyShare of ZIP residents
Gratiot County100%

Town or county subdivisionShare of ZIP residents
Alma city73%
Pine River township11%
Arcada township9.8%
Sumner township2.4%
Emerson township2.3%
Seville township1.2%

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 9298%
State House District 932.4%

Voting precincts

8 voting precincts overlap ZIP 48801. 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:48801")

ZIP 48801 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.