ZIP code · Saint Olaf · Iowa · United States
ZIP code 52072 — Saint Olaf
ZIP code 52072 serves Saint Olaf, Iowa.
- Postal code
- 52072Single source Value from one source, not cross-checked.
- City
- Saint Olaf
- County
- Clayton
- State
- Iowa
- Country
- United States
- Coordinates
- 42.9220, -91.3778 — precision precise (locality)
View on OpenStreetMap - Population
- 694 (ZCTA, ACS 5-year)
- Median household income
- $66,667
- Median age
- 60.9
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 563Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page