ZIP code 48139: Hamburg, MI
ZIP code 48139 is in Livingston County, Michigan, outside any city or Census-designated place. It is in Michigan's 7th congressional district. Its state senate district is State Senate District 22; its state house district is State House District 48.
See it on the mapAll of Michigan
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Livingston County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Hamburg township | 100% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Michigan's 7th congressional district (MI-07) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MI-07) | Tom Barrett (R) | 202-225-4872 | 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 22) | Lana Theis (R) | 100% | |
| State Representative (State House District 48) | Jennifer Conlin (Democratic) | 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
- Livingston County laws: search for the Livingston County, Michigan code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 22 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 48 | 100% |
Voting precincts
1 voting precinct overlap ZIP 48139. 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:48139")
ZIP 48139 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.