Aledo, IL ZIP code
The ZIP code for Aledo, Illinois is 61231. It is in Mercer County.
- Population in these ZIPs
- 4,962
- Avg. median income
- $71,000population-weighted
- Typical home value
- $177,100population-weighted
- Metro area
- Davenport-Moline-Rock Island, IA-IL
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Aledo, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61231 | 4,962 | $70,991 | $177,100 |
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 Aledo
- Matherville 7 mi
- Viola 7 mi
- Reynolds 8 mi
- Joy 9 mi
- Seaton 10 mi
- Preemption 10 mi
- Alexis 12 mi
- Sherrard 12 mi
- New Windsor 12 mi
- Taylor Ridge 13 mi
- Keithsburg 13 mi
- Little York 14 mi
Frequently asked questions
What is the ZIP code for Aledo, IL?
The ZIP code for Aledo, IL is 61231.
What county is Aledo, Illinois in?
Aledo ZIP codes are in Mercer County.