Boundary Atlas

ZIP code 48661: West Branch, MI

ZIP code 48661 is in West Branch (22% of residents), in Ogemaw County, Michigan. 78% 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 99.

10,535residents (2020 Census)
263.5 sq miland area
1cities and towns
1congressional district
10voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
West Branch22%

CountyShare of ZIP residents
Ogemaw County100%

Town or county subdivisionShare of ZIP residents
West Branch township24%
West Branch city22%
Churchill township12%
Ogemaw township11%
Edwards township10%
Foster township7.3%
Horton township5.0%
Klacking township3.2%
Mills township3.0%
Cumming township1.2%

Congressional district

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

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MI-01)Jack Bergman (R)202-225-4735100%
U.S. SenatorElissa Slotkin (D)202-224-4822statewide
U.S. SenatorGary C. Peters (D)202-224-6221 · contact formstatewide
State Senator (State Senate District 36)Michele Hoitenga (R)100%
State Representative (State House District 99)Mike Hoadley (R)100%

Elected under MI's previous legislative map; the district's lines changed for 2026.

Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).

Local government

State legislative districts

State senate districtShare of ZIP residents
State Senate District 36100%

State house districtShare of ZIP residents
State House District 99100%

Voting precincts

10 voting precincts overlap ZIP 48661. Map them, with each precinct's share of the ZIP's residents.

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ZIP 48661 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.