ZIP code 62401: Effingham, IL
ZIP code 62401 is in Effingham (63% of residents), in Effingham County (100%) and Shelby County (0.3%), Illinois. 37% of its residents live outside city limits. It is in Illinois's 12th congressional district (100%) and Illinois's 15th congressional district (0.3%). Its state senate districts are State Senate District 54 (100%) and State Senate District 51 (0.3%); its state house districts are State House District 107 (100%) and State House District 102 (0.3%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Effingham | 63% |
| County | Share of ZIP residents |
|---|---|
| Effingham County | 100% |
| Shelby County | 0.3% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Douglas township | 64% |
| Summit township | 18% |
| Watson township | 11% |
| Jackson township | 2.9% |
| Teutopolis township | 2.3% |
| Bishop township | 0.3% |
| Sigel township | 0.3% |
| Banner township | 0.2% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 12th congressional district (IL-12) | 100% |
| Illinois's 15th congressional district (IL-15) | 0.3% |
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 | 100% |
| U.S. Representative (IL-15) | Mary E. Miller (R) | 202-225-5271 | 0.3% |
| 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 54) | Steve McClure (R) | 217-960-0788 | 100% |
| State Senator (State Senate District 51) | Chapin Rose (R) | 217-607-1853 | 0.3% |
| State Representative (State House District 107) | Brad Halbrook (R) | 217-342-0220 | 100% |
| State Representative (State House District 102) | Adam Niemerg (R) | 217-712-2126 | 0.3% |
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
- Effingham website: https://www.effinghamil.com/
- Effingham laws: search for the Effingham, Illinois code of ordinances
- Effingham County website: http://www.co.effingham.il.us
- Effingham County laws: search for the Effingham County, Illinois code of ordinances
- Shelby County laws: search for the Shelby County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 54 | 100% |
| State Senate District 51 | 0.3% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 107 | 100% |
| State House District 102 | 0.3% |
Voting precincts
29 voting precincts overlap ZIP 62401. 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:62401")
ZIP 62401 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.