About 50654 - Masonville, Iowa
ZIP code 50654 covers the community of Masonville in Iowa, the United States. This area falls under Buchanan County.
Census data puts the population of this ZIP code at 275 residents. It's a quieter, less populous area than the typical Iowa ZIP code (avg. ~3,313).
Population density runs around 2 people per sq. mile, making it a rural area.
Nearby communities in Iowa include Ankeny, Cedar Falls, Dubuque.