ZIP code 62878: Keith, IL
ZIP code 62878 is in Wayne County, Illinois, outside any city or Census-designated place. It is in Illinois's 12th congressional district. Its state senate district is State Senate District 58; its state house district is State House District 116.
See it on the mapAll of Illinois
City and county
Outside any city or Census-designated place.
| County | Share of ZIP residents |
|---|---|
| Wayne County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Keith township | 87% |
| Indian Prairie township | 11% |
| Bedford township | 2.1% |
Congressional district
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 12th congressional district (IL-12) | 100% |
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-12) | Mike Bost (R) | 202-225-5661 | 100% |
| U.S. Senator | Richard J. Durbin (D) | 202-224-2152 · contact form | statewide |
| U.S. Senator | Tammy Duckworth (D) | 202-224-2854 · contact form | statewide |
| State Senator (State Senate District 58) | Terri Bryant (R) | 618-472-8158 | 100% |
| State Representative (State House District 116) | Dave Severin (R) | 618-440-5090 | 100% |
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
- Wayne County laws: search for the Wayne County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 58 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 116 | 100% |
Voting precincts
3 voting precincts overlap ZIP 62878. 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://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:62878")
ZIP 62878 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.