Boundary Atlas

ZIP code 48656: St. Helen, MI

ZIP code 48656 is in St. Helen (71% of residents), in Roscommon County, Michigan. 29% of its residents live outside city limits. It is in Michigan's 1st congressional district. Its state senate district is State Senate District 36; its state house district is State House District 105.

3,857residents (2020 Census)
142.2 sq miland area
1cities and towns
1congressional district
5voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
St. Helen71%

CountyShare of ZIP residents
Roscommon County100%

Town or county subdivisionShare of ZIP residents
Richfield township92%
Backus township4.3%
Au Sable township2.0%
Nester township0.9%
Higgins township0.9%

Congressional district

Congressional districtShare of ZIP residents
Michigan's 1st congressional district (MI-01)100%

Members of Congress

OfficeMemberContact
U.S. Representative (MI-01)Jack Bergman (R)202-225-4735
U.S. SenatorElissa Slotkin (D)202-224-4822
U.S. SenatorGary C. Peters (D)202-224-6221 · contact form

Members serving now (119th Congress, until January 3, 2027). Source: Members of Congress: the @unitedstates project, congress-legislators (CC0).

State legislative districts

State senate districtShare of ZIP residents
State Senate District 36100%

State house districtShare of ZIP residents
State House District 105100%

Voting precincts

5 voting precincts overlap ZIP 48656. 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:48656")

ZIP 48656 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.