ZIP code 48858: Mount Pleasant, MI
ZIP code 48858 is in Mount Pleasant (46% of residents), in Isabella County (99%) and Midland County (0.5%), Michigan. 54% of its residents live outside city limits. It is in Michigan's 2nd congressional district. Its state senate district is State Senate District 34; its state house districts are State House District 92 (99%) and State House District 95 (0.5%).
See it on the mapAll of Michigan
City and county
| City or town | Share of ZIP residents |
|---|---|
| Mount Pleasant | 46% |
| Beal City | 0.3% |
| County | Share of ZIP residents |
|---|---|
| Isabella County | 99% |
| Midland County | 0.5% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Mount Pleasant city | 46% |
| Union charter township | 28% |
| Chippewa township | 9.1% |
| Deerfield township | 7.4% |
| Denver township | 2.1% |
| Isabella township | 2.1% |
| Lincoln township | 1.5% |
| Fremont township | 1.2% |
| Nottawa township | 1.2% |
| Broomfield township | 0.9% |
| Greendale township | 0.5% |
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 34) | Roger Hauck (R) | 100% | |
| State Representative (State House District 92) | Jerry Neyer (R) | 99% | |
| State Representative (State House District 95) | Bill Schuette (R) | 0.5% |
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
- Mount Pleasant website: http://www.mt-pleasant.org/
- Mount Pleasant laws: search for the Mount Pleasant, Michigan code of ordinances
- Isabella County website: http://www.isabellacounty.org
- Isabella County laws: search for the Isabella County, Michigan code of ordinances
- Midland County website: https://midlandcountymi.gov/
- Midland County laws: search for the Midland County, Michigan code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 34 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 92 | 99% |
| State House District 95 | 0.5% |
Voting precincts
16 voting precincts overlap ZIP 48858. 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:48858")
ZIP 48858 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.