ZIP code 48818: Crystal, MI
ZIP code 48818 is in Crystal (39% of residents), in Montcalm County, Michigan. 61% 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 districts are State House District 93 (96%) and State House District 91 (4.3%).
See it on the mapAll of Michigan
City and county
| City or town | Share of ZIP residents |
|---|---|
| Crystal | 39% |
| County | Share of ZIP residents |
|---|---|
| Montcalm County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Crystal township | 87% |
| Ferris township | 9.1% |
| Evergreen township | 4.3% |
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 93) | Tim Kelly (R) | 96% | |
| State Representative (State House District 91) | Pat Outman (R) | 4.3% |
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
- Crystal laws: search for the Crystal, Michigan code of ordinances
- Montcalm County website: http://www.montcalm.org
- Montcalm County laws: search for the Montcalm 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 93 | 96% |
| State House District 91 | 4.3% |
Voting precincts
3 voting precincts overlap ZIP 48818. 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:48818")
ZIP 48818 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.