Clinton County ZIP Codes
Iowa, United States · 18 codes
Clinton County in Iowa has 18 ZIP codes, from 52037 to 52777, serving 18 places.
ZIP codes in Clinton
Frequently asked questions
What is the ZIP code of Clinton?
Clinton has 18 ZIP codes, from 52037 to 52777. The table lists the places each one serves.
How many places are listed in Clinton County?
18 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.