Mason City, IL ZIP code
The ZIP code for Mason City, Illinois is 62664. It is in Mason County.
- Population in these ZIPs
- 2,922
- Avg. median income
- $70,500population-weighted
- Typical home value
- $124,800population-weighted
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Mason City, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 62664 | 2,922 | $70,509 | $124,800 |
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 Mason City
- San Jose 8 mi
- Easton 8 mi
- Greenview 8 mi
- New Holland 10 mi
- Forest City 10 mi
- Middletown 13 mi
- Kilbourne 14 mi
- Hartsburg 14 mi
- Green Valley 14 mi
- Topeka 14 mi
- Emden 15 mi
- Petersburg 15 mi
Frequently asked questions
What is the ZIP code for Mason City, IL?
The ZIP code for Mason City, IL is 62664.
What county is Mason City, Illinois in?
Mason City ZIP codes are in Mason County.