ZIP code 49040: Colon, MI
ZIP code 49040 is in Colon (35% of residents), in St. Joseph County (91%) and Branch County (8.9%), Michigan. 65% of its residents live outside city limits. It is in Michigan's 5th congressional district. Its state senate district is State Senate District 17; its state house districts are State House District 36 (91%) and State House District 35 (8.9%).
See it on the mapAll of Michigan
City and county
| City or town | Share of ZIP residents |
|---|---|
| Colon | 35% |
| County | Share of ZIP residents |
|---|---|
| St. Joseph County | 91% |
| Branch County | 8.9% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Colon township | 83% |
| Leonidas township | 7.8% |
| Sherwood township | 5.4% |
| Matteson township | 3.5% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Michigan's 5th congressional district (MI-05) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MI-05) | Tim Walberg (R) | 202-225-6276 | 100% |
| U.S. Senator | Elissa Slotkin (D) | 202-224-4822 | statewide |
| U.S. Senator | Gary C. Peters (D) | 202-224-6221 · contact form | statewide |
| State Senator (State Senate District 17) | Jonathan Lindsey (R) | 100% | |
| State Representative (State House District 36) | Steve Carra (R) | 91% | |
| State Representative (State House District 35) | Jennifer Wortz (R) | 8.9% |
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
- Colon laws: search for the Colon, Michigan code of ordinances
- St. Joseph County website: http://www.stjosephcountymi.org
- St. Joseph County laws: search for the St. Joseph County, Michigan code of ordinances
- Branch County laws: search for the Branch County, Michigan code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 17 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 36 | 91% |
| State House District 35 | 8.9% |
Voting precincts
4 voting precincts overlap ZIP 49040. 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:49040")
ZIP 49040 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.