ZIP code 61401: Galesburg, IL
ZIP code 61401 is in Galesburg (91% of residents), in Knox County (99%) and Warren County (0.9%), Illinois. 8.7% of its residents live outside city limits. It is in Illinois's 17th congressional district (100%) and Illinois's 15th congressional district (0.1%). Its state senate districts are State Senate District 36 (97%) and State Senate District 47 (2.8%); its state house districts are State House District 71 (97%), State House District 94 (2.5%) and State House District 93 (0.3%).
See it on the mapAll of Illinois
City and county
| City or town | Share of ZIP residents |
|---|---|
| Galesburg | 91% |
| County | Share of ZIP residents |
|---|---|
| Knox County | 99% |
| Warren County | 0.9% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| Galesburg City township | 91% |
| Cedar township | 2.5% |
| Henderson township | 1.8% |
| Knox township | 1.8% |
| Galesburg township | 1.3% |
| Kelly township | 0.6% |
| Sparta township | 0.3% |
| Coldbrook township | 0.3% |
| Floyd township | 0.1% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| Illinois's 17th congressional district (IL-17) | 100% |
| Illinois's 15th congressional district (IL-15) | 0.1% |
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-17) | Eric Sorensen (D) | 202-225-5905 | 100% |
| U.S. Representative (IL-15) | Mary E. Miller (R) | 202-225-5271 | 0.1% |
| 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 36) | Mike Halpin (Democratic) | 309-558-3612 | 97% |
| State Senator (State Senate District 47) | Neil Anderson (R) | 309-230-7584 | 2.8% |
| State Representative (State House District 71) | Dan Swanson (R) | 97% | |
| State Representative (State House District 94) | Norine Hammond (R) | 309-836-2707 | 2.5% |
| State Representative (State House District 93) | Travis Weaver (R) | 309-204-6514 | 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
- Galesburg website: http://www.ci.galesburg.il.us/
- Galesburg laws: search for the Galesburg, Illinois code of ordinances
- Knox County laws: search for the Knox County, Illinois code of ordinances
- Warren County website: http://www.warrencountyil.com
- Warren County laws: search for the Warren County, Illinois code of ordinances
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 36 | 97% |
| State Senate District 47 | 2.8% |
| State house district | Share of ZIP residents |
|---|---|
| State House District 71 | 97% |
| State House District 94 | 2.5% |
| State House District 93 | 0.3% |
Voting precincts
32 voting precincts overlap ZIP 61401. 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:61401")
ZIP 61401 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.