About 50129 - Jefferson, Iowa
50129 is a small ZIP code covering Jefferson in Iowa, the United States. This area falls under Jefferson County County.
Census data puts the population of this ZIP code at 2,421 residents. It's a quieter, less populous area than the typical Iowa ZIP code (avg. ~22,608).
Median household income is about $64,400 (near the Iowa average).
Nearby communities in Iowa include Montour, Cresco, Davenport.