Gilson, IL ZIP code
The ZIP code for Gilson, Illinois is 61436. It is in Knox County.
- Population in these ZIPs
- 745
- Avg. median income
- $76,000population-weighted
- Typical home value
- $205,000population-weighted
- Metro area
- Galesburg, IL
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Gilson, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61436 | 745 | $76,000 | $205,000 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Gilson
- Knoxville 5 mi
- Maquon 6 mi
- East Galesburg 7 mi
- Dahinda 8 mi
- Yates City 11 mi
- Galesburg 11 mi
- London Mills 11 mi
- Williamsfield 11 mi
- Abingdon 11 mi
- Saint Augustine 12 mi
- Wataga 13 mi
- Henderson 13 mi
Frequently asked questions
What is the ZIP code for Gilson, IL?
The ZIP code for Gilson, IL is 61436.
What county is Gilson, Illinois in?
Gilson ZIP codes are in Knox County.