Grantsburg, IL ZIP code
The ZIP code for Grantsburg, Illinois is 62943. It is in Johnson County.
- Population in these ZIPs
- 428
- Avg. median income
- $83,200population-weighted
- Typical home value
- $164,600population-weighted
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Grantsburg, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 62943 | 428 | $83,194 | $164,600 |
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 Grantsburg
- Belknap 7 mi
- Simpson 8 mi
- Vienna 9 mi
- Metropolis 9 mi
- Golconda 11 mi
- Karnak 11 mi
- Joppa 12 mi
- Eddyville 13 mi
- Ozark 13 mi
- Grand Chain 15 mi
- New Burnside 16 mi
- Cypress 16 mi
Frequently asked questions
What is the ZIP code for Grantsburg, IL?
The ZIP code for Grantsburg, IL is 62943.
What county is Grantsburg, Illinois in?
Grantsburg ZIP codes are in Johnson County.