There are 14 zip codes in Fayette County, Iowa. The most populated is 50662, located in Oelwein. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
506626,499Oelwein
521753,528West Union
521421,790Fayette
521411,190Elgin
521711,053Waucoma
52147978Hawkeye
50606880Arlington
50655760Maynard
52135651Clermont
50681447Westgate
52169418Wadena
52164308Randalia
52166138Saint Lucas
50664131Oran
showing: 14 rows

Zip Codes in Fayette County, Iowa by Population (2024)