Boundary Atlas

ZIP code 49067: Marcellus, MI

ZIP code 49067 is in Marcellus (24% of residents), in Cass County (69%), St. Joseph County (21%) and Van Buren County (9.4%), Michigan. 76% of its residents live outside city limits. It is in Michigan's 5th congressional district (91%) and Michigan's 4th congressional district (9.4%). Its state senate districts are State Senate District 17 (91%) and State Senate District 20 (9.4%); its state house districts are State House District 36 (91%) and State House District 39 (9.4%).

4,440residents (2020 Census)
82.2 sq miland area
1cities and towns
2congressional districts
7voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
Marcellus24%

CountyShare of ZIP residents
Cass County69%
St. Joseph County21%
Van Buren County9.4%

Town or county subdivisionShare of ZIP residents
Marcellus township53%
Flowerfield township20%
Porter township9.4%
Volinia township8.9%
Newberg township7.0%
Fabius township0.8%
Penn township0.2%

Congressional districts

Congressional districtShare of ZIP residents
Michigan's 5th congressional district (MI-05)91%
Michigan's 4th congressional district (MI-04)9.4%

This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.

State legislative districts

State senate districtShare of ZIP residents
State Senate District 1791%
State Senate District 209.4%

State house districtShare of ZIP residents
State House District 3691%
State House District 399.4%

Voting precincts

7 voting precincts overlap ZIP 49067. 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:49067")

ZIP 49067 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.