Boundary Atlas

ZIP code 49401: Allendale, MI

ZIP code 49401 is in Allendale (91% of residents), in Ottawa County, Michigan. 8.5% of its residents live outside city limits. It is in Michigan's 3rd congressional district (92%) and Michigan's 4th congressional district (8.0%). Its state senate districts are State Senate District 30 (90%) and State Senate District 31 (10%); its state house districts are State House District 89 (90%) and State House District 85 (9.8%).

29,598residents (2020 Census)
31.9 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
Allendale91%

CountyShare of ZIP residents
Ottawa County100%

Town or county subdivisionShare of ZIP residents
Allendale charter township90%
Georgetown charter township9.8%
Blendon township0.4%

Congressional districts

Congressional districtShare of ZIP residents
Michigan's 3rd congressional district (MI-03)92%
Michigan's 4th congressional district (MI-04)8.0%

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.

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MI-03)Hillary J. Scholten (D)202-225-383192%
U.S. Representative (MI-04)Bill Huizenga (R)202-225-44018.0%
U.S. SenatorElissa Slotkin (D)202-224-4822statewide
U.S. SenatorGary C. Peters (D)202-224-6221 · contact formstatewide
State Senator (State Senate District 30)Mark Huizenga (R)90%
State Senator (State Senate District 31)Roger Victory (R)10%
State Representative (State House District 89)Luke Meerman (R)90%
State Representative (State House District 85)Brad Slagh (R)9.8%

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 3090%
State Senate District 3110%

State house districtShare of ZIP residents
State House District 8990%
State House District 859.8%

Voting precincts

7 voting precincts overlap ZIP 49401. 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:49401")

ZIP 49401 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.