ZIP code 48170: Plymouth, MI
ZIP code 48170 is in Plymouth (23% of residents), in Wayne County (95%) and Washtenaw County (5.1%), Michigan. 77% of its residents live outside city limits. It is in Michigan's 6th congressional district. Its state senate districts are State Senate District 5 (91%), State Senate District 8 (4.1%), State Senate District 14 (3.6%) and State Senate District 15 (1.4%); its state house districts are State House District 22 (75%) and State House District 23 (25%).
See it on the mapAll of Michigan
City and county
| City or town | Share of ZIP residents |
|---|---|
| Plymouth | 23% |
| County | Share of ZIP residents |
|---|---|
| Wayne County | 95% |
| Washtenaw County | 5.1% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Plymouth charter township | 68% |
| Plymouth city | 23% |
| Northville township | 4.1% |
| Salem township | 3.6% |
| Superior charter township | 1.4% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Michigan's 6th congressional district (MI-06) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (MI-06) | Debbie Dingell (D) | 202-225-4071 | 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 5) | Dayna Polehanki (Democratic) | 91% | |
| State Senator (State Senate District 8) | Mallory McMorrow (Democratic) | 4.1% | |
| State Senator (State Senate District 14) | Sue Shink (Democratic) | 3.6% | |
| State Senator (State Senate District 15) | Jeff Irwin (Democratic) | 1.4% | |
| State Representative (State House District 22) | Matt Koleszar (Democratic) | 75% | |
| State Representative (State House District 23) | Jason Morgan (Democratic) | 25% |
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
- Plymouth website: http://www.ci.plymouth.mi.us
- Plymouth laws: search for the Plymouth, Michigan code of ordinances
- Wayne County website: http://www.waynecounty.com
- Wayne County laws: search for the Wayne County, Michigan code of ordinances
- Washtenaw County website: https://washtenaw.org
- Washtenaw County laws: search for the Washtenaw County, Michigan code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 5 | 91% |
| State Senate District 8 | 4.1% |
| State Senate District 14 | 3.6% |
| State Senate District 15 | 1.4% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 22 | 75% |
| State House District 23 | 25% |
Voting precincts
17 voting precincts overlap ZIP 48170. 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:48170")
ZIP 48170 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.