ZIP code 48435: Fostoria, MI
ZIP code 48435 is in Fostoria (32% of residents), in Tuscola County (53%) and Lapeer County (47%), Michigan. 68% of its residents live outside city limits. It is in Michigan's 9th congressional district. Its state senate district is State Senate District 26; its state house districts are State House District 67 (80%) and State House District 98 (20%).
See it on the mapAll of Michigan
City and county
| City or town | Share of ZIP residents |
|---|---|
| Fostoria | 32% |
| County | Share of ZIP residents |
|---|---|
| Tuscola County | 53% |
| Lapeer County | 47% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Watertown township | 53% |
| Deerfield township | 22% |
| Rich township | 20% |
| Marathon township | 5.4% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Michigan's 9th congressional district (MI-09) | 100% |
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 26 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 67 | 80% |
| State House District 98 | 20% |
Voting precincts
5 voting precincts overlap ZIP 48435. 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:48435")
ZIP 48435 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.