Fairfax, IA ZIP code
The ZIP code for Fairfax, Iowa is 52228. It is in Linn County.
- Population in these ZIPs
- 3,802
- Avg. median income
- $118,100population-weighted
- Typical home value
- $338,200population-weighted
- Metro area
- Cedar Rapids, IA
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Fairfax, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 52228 | 3,802 | $118,125 | $338,200 |
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 Fairfax
Frequently asked questions
What is the ZIP code for Fairfax, IA?
The ZIP code for Fairfax, IA is 52228.
What county is Fairfax, Iowa in?
Fairfax ZIP codes are in Linn County.