Keithsburg, IL ZIP code
The ZIP code for Keithsburg, Illinois is 61442. It is in Mercer County.
- Population in these ZIPs
- 504
- Avg. median income
- $48,800population-weighted
- Typical home value
- $89,800population-weighted
- Metro area
- Davenport-Moline-Rock Island, IA-IL
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Keithsburg, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61442 | 504 | $48,750 | $89,800 |
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 Keithsburg
- Seaton 5 mi
- Joy 9 mi
- Oquawka 10 mi
- Little York 10 mi
- New Boston 11 mi
- Aledo 13 mi
- Biggsville 18 mi
- Alexis 18 mi
- Gladstone 18 mi
- Kirkwood 18 mi
- Reynolds 18 mi
- Viola 19 mi
Frequently asked questions
What is the ZIP code for Keithsburg, IL?
The ZIP code for Keithsburg, IL is 61442.
What county is Keithsburg, Illinois in?
Keithsburg ZIP codes are in Mercer County.