ZIP code 49318: Casnovia, MI
ZIP code 49318 is in Casnovia (21% of residents), in Muskegon County (67%), Ottawa County (21%) and Kent County (12%), Michigan. 79% of its residents live outside city limits. It is in Michigan's 2nd congressional district. Its state senate district is State Senate District 33; its state house district is State House District 89.
See it on the mapAll of Michigan
City and county
| City or town | Share of ZIP residents |
|---|---|
| Casnovia | 21% |
| County | Share of ZIP residents |
|---|---|
| Muskegon County | 67% |
| Ottawa County | 21% |
| Kent County | 12% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Casnovia township | 67% |
| Chester township | 21% |
| Tyrone township | 12% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Michigan's 2nd congressional district (MI-02) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MI-02) | John R. Moolenaar (R) | 202-225-3561 | 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 33) | Rick Outman (R) | 100% | |
| State Representative (State House District 89) | Luke Meerman (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
- Casnovia laws: search for the Casnovia, Michigan code of ordinances
- Muskegon County website: http://www.co.muskegon.mi.us
- Muskegon County laws: search for the Muskegon County, Michigan code of ordinances
- Ottawa County website: http://www.miottawa.org
- Ottawa County laws: search for the Ottawa County, Michigan code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 33 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 89 | 100% |
Voting precincts
3 voting precincts overlap ZIP 49318. 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:49318")
ZIP 49318 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.