ZIP code 61326: Granville, IL
ZIP code 61326 is in Granville (65% of residents) and Mark (1.9%), in Putnam County, Illinois. 33% of its residents live outside city limits. It is in Illinois's 14th congressional district (100%) and Illinois's 16th congressional district (0.5%). Its state senate district is State Senate District 53; its state house district is State House District 105.
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Granville | 65% |
| Mark | 1.9% |
| County | Share of ZIP residents |
|---|---|
| Putnam County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Granville township | 98% |
| Hennepin township | 1.1% |
| Magnolia township | 0.5% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 14th congressional district (IL-14) | 100% |
| Illinois's 16th congressional district (IL-16) | 0.5% |
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.
Elected officials
| Office | Member | Contact | Share of residents |
|---|---|---|---|
| U.S. Representative (IL-14) | Lauren Underwood (D) | 202-225-2976 | 100% |
| U.S. Representative (IL-16) | Darin LaHood (R) | 202-225-6201 | 0.5% |
| 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 53) | Chris Balkema (R) | 815-844-9179 | 100% |
| State Representative (State House District 105) | Dennis Tipsword (R) | 815-844-9344 | 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
- Granville website: http://villageofgranville.org/
- Granville laws: search for the Granville, Illinois code of ordinances
- Mark website: http://www.vil.mark.il.us/
- Mark laws: search for the Mark, Illinois code of ordinances
- Putnam County laws: search for the Putnam County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 53 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 105 | 100% |
Voting precincts
6 voting precincts overlap ZIP 61326. 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:61326")
ZIP 61326 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.