Sterling, IL ZIP code
The ZIP code for Sterling, Illinois is 61081. It is in Whiteside County.
- Population in these ZIPs
- 20,844
- Avg. median income
- $67,600population-weighted
- Typical home value
- $145,900population-weighted
- Metro area
- Sterling, IL
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Sterling, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61081 | 20,844 | $67,586 | $145,900 |
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 Sterling
- Galt 4 mi
- Rock Falls 9 mi
- Milledgeville 9 mi
- Woosung 10 mi
- Chadwick 11 mi
- Morrison 12 mi
- Lyndon 12 mi
- Polo 12 mi
- Dixon 14 mi
- Harmon 14 mi
- Deer Grove 16 mi
- Eldena 18 mi
Frequently asked questions
What is the ZIP code for Sterling, IL?
The ZIP code for Sterling, IL is 61081.
What county is Sterling, Illinois in?
Sterling ZIP codes are in Whiteside County.