ZIP code 61943: Oakland, IL
ZIP code 61943 is in Oakland (51% of residents), in Coles County (88%), Douglas County (8.1%) and Edgar County (4.2%), Illinois. 49% of its residents live outside city limits. It is in Illinois's 12th congressional district (88%) and Illinois's 15th congressional district (12%). Its state senate district is State Senate District 51; its state house districts are State House District 102 (94%) and State House District 101 (6.0%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Oakland | 51% |
| County | Share of ZIP residents |
|---|---|
| Coles County | 88% |
| Douglas County | 8.1% |
| Edgar County | 4.2% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| East Oakland township | 85% |
| Sargent township | 7.9% |
| Embarrass township | 4.2% |
| Morgan township | 2.3% |
| Bowdre township | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 12th congressional district (IL-12) | 88% |
| Illinois's 15th congressional district (IL-15) | 12% |
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.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-12) | Mike Bost (R) | 202-225-5661 | 88% |
| U.S. Representative (IL-15) | Mary E. Miller (R) | 202-225-5271 | 12% |
| 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 51) | Chapin Rose (R) | 217-607-1853 | 100% |
| State Representative (State House District 102) | Adam Niemerg (R) | 217-712-2126 | 94% |
| State Representative (State House District 101) | Chris Miller (R) | 217-508-4108 | 6.0% |
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
- Oakland laws: search for the Oakland, Illinois code of ordinances
- Coles County laws: search for the Coles County, Illinois code of ordinances
- Douglas County website: https://douglascountyil.gov/
- Douglas County laws: search for the Douglas County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 51 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 102 | 94% |
| State House District 101 | 6.0% |
Voting precincts
5 voting precincts overlap ZIP 61943. 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:61943")
ZIP 61943 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.