About 50136 - Keswick, Iowa
50136 is a sparsely populated ZIP code covering Keswick in Iowa, the United States. This area falls under Keokuk County.
Census data puts the population of this ZIP code at 376 residents. It's a quieter, less populous area than the typical Iowa ZIP code (avg. ~3,313).
Population density runs around 3 people per sq. mile, making it a rural area.
Other ZIP code codes in Iowa serve areas such as Ankeny, Cedar Falls, Dubuque.