ZIP code 62056: Litchfield, IL
ZIP code 62056 is in Litchfield (79% of residents), in Montgomery County (97%) and Macoupin County (3.5%), Illinois. 21% of its residents live outside city limits. It is in Illinois's 15th congressional district (97%) and Illinois's 13th congressional district (3.5%). Its state senate district is State Senate District 54; its state house district is State House District 108.
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Litchfield | 79% |
| County | Share of ZIP residents |
|---|---|
| Montgomery County | 97% |
| Macoupin County | 3.5% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| North Litchfield township | 57% |
| South Litchfield township | 38% |
| Cahokia township | 2.2% |
| Zanesville township | 1.3% |
| Honey Point township | 1.3% |
| Walshville township | 0.3% |
| Hillsboro township | 0.1% |
| Butler Grove township | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 15th congressional district (IL-15) | 97% |
| Illinois's 13th congressional district (IL-13) | 3.5% |
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 54 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 108 | 100% |
Voting precincts
16 voting precincts overlap ZIP 62056. 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:62056")
ZIP 62056 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.