Gilson, IL ZIP Codes, Coordinates & Counties
Gilson, Illinois has 1 ZIP code in Knox county. The approximate center of Gilson is 40.862, -90.217. Gilson has about 1,411 known street addresses.
ZIP codes in Gilson, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 61436 | Knox | 40.862 | -90.217 |
Counties Gilson spans
Knox
Most common streets in Gilson
Knox Highway 27, Jackson, Roberts, Knox Road 900, Knox Road 1000, Harding, Knox Road 600, Knox Road 1400, Knox Road 1025, Knox Road 750
Frequently asked questions
What ZIP codes are in Gilson, IL?
Gilson, Illinois has 1 ZIP code, ranging from 61436 to 61436. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Gilson, IL in?
Gilson is in Knox county.
What are the latitude and longitude of Gilson, IL?
The approximate center of Gilson, Illinois is latitude 40.862, longitude -90.217. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Gilson, IL have?
Gilson has 1 ZIP code.
How many addresses are in Gilson, IL?
Gilson, Illinois has about 1,411 known street addresses in the sthan.io US address database.
What are the most common streets in Gilson, IL?
Some of the most common street names in Gilson are Knox Highway 27, Jackson, Roberts, Knox Road 900, Knox Road 1000, Harding.
What cities are near Gilson, IL?
Cities near Gilson include Knoxville (5 mi), Maquon (6 mi), East Galesburg (7 mi), Dahinda (8 mi), Abingdon (10 mi).
Cities near Gilson
Knoxville, IL (5 mi) Maquon, IL (6 mi) East Galesburg, IL (7 mi) Dahinda, IL (8 mi) Abingdon, IL (10 mi) Galesburg, IL (10 mi) Yates City, IL (10 mi) Williamsfield, IL (11 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database