ZIP code 48436: Gaines, MI
ZIP code 48436 is in Gaines (10% of residents), in Genesee County (95%) and Shiawassee County (5.2%), Michigan. 90% of its residents live outside city limits. It is in Michigan's 8th congressional district (95%) and Michigan's 7th congressional district (5.2%). Its state senate districts are State Senate District 27 (60%), State Senate District 22 (36%) and State Senate District 28 (4.2%); its state house districts are State House District 71 (97%) and State House District 72 (3.2%).
See it on the mapAll of Michigan
City and county
| City or town | Share of ZIP residents |
|---|---|
| Gaines | 10% |
| County | Share of ZIP residents |
|---|---|
| Genesee County | 95% |
| Shiawassee County | 5.2% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Gaines township | 60% |
| Argentine township | 32% |
| Vernon township | 4.2% |
| Fenton charter township | 3.2% |
| Burns township | 1.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Michigan's 8th congressional district (MI-08) | 95% |
| Michigan's 7th congressional district (MI-07) | 5.2% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 27 | 60% |
| State Senate District 22 | 36% |
| State Senate District 28 | 4.2% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 71 | 97% |
| State House District 72 | 3.2% |
Voting precincts
9 voting precincts overlap ZIP 48436. 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:48436")
ZIP 48436 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.