Keystone, IA ZIP code
The ZIP code for Keystone, Iowa is 52249. It is in Benton County.
- Population in these ZIPs
- 1,060
- Avg. median income
- $75,400population-weighted
- Typical home value
- $312,500population-weighted
- Metro area
- Cedar Rapids, IA
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Keystone, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 52249 | 1,060 | $75,417 | $312,500 |
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 Keystone
Frequently asked questions
What is the ZIP code for Keystone, IA?
The ZIP code for Keystone, IA is 52249.
What county is Keystone, Iowa in?
Keystone ZIP codes are in Benton County.