ZIP code 49103: Oronoko, MI
ZIP code 49103 is in Berrien Springs (17% of residents), in Berrien County, Michigan. 83% of its residents live outside city limits. It is in Michigan's 5th congressional district. Its state senate districts are State Senate District 17 (96%) and State Senate District 20 (3.6%); its state house district is State House District 37.
See it on the mapAll of Michigan
City and county
| City or town | Share of ZIP residents |
|---|---|
| Berrien Springs | 17% |
| County | Share of ZIP residents |
|---|---|
| Berrien County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Oronoko charter township | 74% |
| Berrien township | 22% |
| Royalton township | 3.6% |
| Buchanan township | 0.5% |
| Niles township | 0.3% |
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) | 96% | |
| State Senator (State Senate District 20) | Aric Nesbitt (R) | 3.6% | |
| State Representative (State House District 37) | Brad Paquette (R) | 100% |
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
- Berrien Springs laws: search for the Berrien Springs, Michigan code of ordinances
- Berrien County website: https://www.berriencounty.org
- Berrien County laws: search for the Berrien County, Michigan code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 17 | 96% |
| State Senate District 20 | 3.6% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 37 | 100% |
Voting precincts
7 voting precincts overlap ZIP 49103. 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:49103")
ZIP 49103 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.