Andover, IL ZIP code
The ZIP code for Andover, Illinois is 61233. It is in Henry County.
- Population in these ZIPs
- 281
- Avg. median income
- $71,700population-weighted
- Typical home value
- $182,600population-weighted
- Metro area
- Davenport-Moline-Rock Island, IA-IL
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Andover, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61233 | 281 | $71,667 | $182,600 |
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 Andover
- Lynn Center 3 mi
- Osco 5 mi
- Ophiem 6 mi
- Cambridge 6 mi
- Orion 7 mi
- Woodhull 8 mi
- Alpha 9 mi
- Bishop Hill 11 mi
- New Windsor 11 mi
- Coal Valley 12 mi
- Sherrard 12 mi
- Colona 13 mi
Frequently asked questions
What is the ZIP code for Andover, IL?
The ZIP code for Andover, IL is 61233.
What county is Andover, Illinois in?
Andover ZIP codes are in Henry County.