ZIP code · Keswick · Iowa · United States
ZIP code 50136 — Keswick
ZIP code 50136 serves Keswick, Iowa.
- Postal code
- 50136Single source Value from one source, not cross-checked.
- City
- Keswick
- County
- Keokuk
- State
- Iowa
- Country
- United States
- Coordinates
- 41.4613, -92.2395 — precision precise (locality)
View on OpenStreetMap - Population
- 411 (ZCTA, ACS 5-year)
- Median household income
- $66,125
- Median age
- 48.1
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 · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page