Boundary Atlas

ZIP code 49011: Athens, MI

ZIP code 49011 is in Athens (44% of residents), in Calhoun County (94%), Branch County (3.6%) and St. Joseph County (2.1%), Michigan. 56% of its residents live outside city limits. It is in Michigan's 5th congressional district. Its state senate districts are State Senate District 18 (94%) and State Senate District 17 (5.6%); its state house districts are State House District 45 (94%), State House District 35 (3.6%) and State House District 36 (2.1%).

2,147residents (2020 Census)
30.3 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
Athens44%

CountyShare of ZIP residents
Calhoun County94%
Branch County3.6%
St. Joseph County2.1%

Town or county subdivisionShare of ZIP residents
Athens township89%
Burlington township4.9%
Sherwood township3.6%
Leonidas township2.1%
Leroy township0.2%

Congressional district

Congressional districtShare of ZIP residents
Michigan's 5th congressional district (MI-05)100%

Elected officials

OfficeMemberContactShare of residents
U.S. Representative (MI-05)Tim Walberg (R)202-225-6276100%
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)94%
State Senator (State Senate District 17)Jonathan Lindsey (R)5.6%
State Representative (State House District 45)Sarah Lightner (R)94%
State Representative (State House District 35)Jennifer Wortz (R)3.6%
State Representative (State House District 36)Steve Carra (R)2.1%

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 1894%
State Senate District 175.6%

State house districtShare of ZIP residents
State House District 4594%
State House District 353.6%
State House District 362.1%

Voting precincts

5 voting precincts overlap ZIP 49011. 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:49011")

ZIP 49011 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.