ZIP code · Jamaica · Iowa · United States
ZIP code 50128 — Jamaica
ZIP code 50128 serves Jamaica, Iowa.
- Postal code
- 50128Single source Value from one source, not cross-checked.
- City
- Jamaica
- County
- Guthrie
- State
- Iowa
- Country
- United States
- Coordinates
- 41.8419, -94.3204 — precision precise (locality)
View on OpenStreetMap - Population
- 331 (ZCTA, ACS 5-year)
- Median household income
- $50,179
- Median age
- 62.6
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
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