Boundary Atlas

ZIP code 49408: Ganges, MI

ZIP code 49408 is in Fennville (18% of residents) and Douglas (3.5%), in Allegan County, Michigan. 79% of its residents live outside city limits. It is in Michigan's 4th congressional district. Its state senate district is State Senate District 20; its state house districts are State House District 43 (54%), State House District 38 (45%) and State House District 39 (0.9%).

9,830residents (2020 Census)
108.0 sq miland area
2cities and towns
1congressional district
10voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
Fennville18%
Douglas3.5%

CountyShare of ZIP residents
Allegan County100%

Town or county subdivisionShare of ZIP residents
Ganges township25%
Clyde township20%
Fennville city18%
Manlius township16%
Saugatuck township15%
Douglas city3.5%
Casco township1.4%
Lee township0.9%
Valley township0.7%
Heath townshipland only

Congressional district

Congressional districtShare of ZIP residents
Michigan's 4th congressional district (MI-04)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MI-04)Bill Huizenga (R)202-225-4401100%
U.S. SenatorElissa Slotkin (D)202-224-4822statewide
U.S. SenatorGary C. Peters (D)202-224-6221 · contact formstatewide
State Senator (State Senate District 20)Aric Nesbitt (R)100%
State Representative (State House District 43)Rachelle Smit (R)54%
State Representative (State House District 38)Joey Andrews (Democratic)45%
State Representative (State House District 39)Pauline Wendzel (R)0.9%

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 20100%

State house districtShare of ZIP residents
State House District 4354%
State House District 3845%
State House District 390.9%

Voting precincts

10 voting precincts overlap ZIP 49408. 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:49408")

ZIP 49408 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.