Dekalb, IL ZIP code
The ZIP code for Dekalb, Illinois is 60115. It is in DeKalb County.
- Population in these ZIPs
- 42,536
- Avg. median income
- $47,000population-weighted
- Typical home value
- $260,500population-weighted
- Metro area
- Chicago-Naperville-Elgin, IL-IN
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Dekalb, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 60115 | 42,536 | $47,043 | $260,500 |
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
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Frequently asked questions
What is the ZIP code for Dekalb, IL?
The ZIP code for Dekalb, IL is 60115.
What county is Dekalb, Illinois in?
Dekalb ZIP codes are in DeKalb County.