Boundary Atlas

ZIP code 49015: Battle Creek, MI

ZIP code 49015 is in Battle Creek (96% of residents), in Calhoun County, Michigan. It is in Michigan's 4th congressional district (97%) and Michigan's 5th congressional district (3.1%). Its state senate district is State Senate District 18; its state house districts are State House District 44 (97%) and State House District 45 (3.2%).

28,008residents (2020 Census)
27.2 sq miland area
2cities and towns
2congressional districts
11voting precincts

See it on the mapAll of Michigan

City and county

City or townShare of ZIP residents
Battle Creek96%
Springfield0.9%

CountyShare of ZIP residents
Calhoun County100%

Town or county subdivisionShare of ZIP residents
Battle Creek city96%
Leroy township3.1%
Springfield city0.9%

Congressional districts

Congressional districtShare of ZIP residents
Michigan's 4th congressional district (MI-04)97%
Michigan's 5th congressional district (MI-05)3.1%

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-04)Bill Huizenga (R)202-225-440197%
U.S. Representative (MI-05)Tim Walberg (R)202-225-62763.1%
U.S. SenatorElissa Slotkin (D)202-224-4822statewide
U.S. SenatorGary C. Peters (D)202-224-6221 · contact formstatewide
State Senator (State Senate District 18)Thomas Albert (R)100%
State Representative (State House District 44)Steve Frisbie (R)97%
State Representative (State House District 45)Sarah Lightner (R)3.2%

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 18100%

State house districtShare of ZIP residents
State House District 4497%
State House District 453.2%

Voting precincts

11 voting precincts overlap ZIP 49015. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:

related_geographies(id="us:zcta:49015")

ZIP 49015 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.