ZIP code 49948: Mass City, MI
ZIP code 49948 is in Mass City (30% of residents), in Ontonagon County (100%) and Houghton County (0.2%), Michigan. 70% of its residents live outside city limits. It is in Michigan's 1st congressional district. Its state senate district is State Senate District 38; its state house district is State House District 110.
See it on the mapAll of Michigan
City and county
| City or town | Share of ZIP residents |
|---|---|
| Mass City | 30% |
| County | Share of ZIP residents |
|---|---|
| Ontonagon County | 100% |
| Houghton County | 0.2% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Greenland township | 87% |
| Bohemia township | 9.9% |
| Stannard township | 2.0% |
| Rockland township | 0.6% |
| Laird township | 0.2% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Michigan's 1st congressional district (MI-01) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MI-01) | Jack Bergman (R) | 202-225-4735 | 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 38) | Ed McBroom (R) | 100% | |
| State Representative (State House District 110) | Greg Markkanen (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
- Mass City laws: search for the Mass City, Michigan code of ordinances
- Ontonagon County website: http://ontonagoncounty.org/
- Ontonagon County laws: search for the Ontonagon County, Michigan code of ordinances
- Houghton County website: http://www.houghtoncounty.net
- Houghton County laws: search for the Houghton County, Michigan code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 38 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 110 | 100% |
Voting precincts
5 voting precincts overlap ZIP 49948. 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:49948")
ZIP 49948 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.