About 52309 - Monmouth, Iowa
52309 is a sparsely populated ZIP code covering Monmouth in Iowa, the United States. This area falls under Jackson County.
Census data puts the population of this ZIP code at 443 residents. It's a quieter, less populous area than the typical Iowa ZIP code (avg. ~3,313).
Population density runs around 5 people per sq. mile, making it a rural area.
Nearby communities in Iowa include Ankeny, Cedar Falls, Dubuque.