About 50518 - Barnum, Iowa
The ZIP code 50518 of Barnum falls within Iowa, the United States - a sparsely populated area by population. It sits within Webster County.
Census data puts the population of this ZIP code at 365 residents. That's below the Iowa average of about 3,313 people per ZIP code.
Population density runs around 4 people per sq. mile, making it a rural area.
This ZIP code sits alongside neighboring areas like Ankeny, Cedar Falls, Dubuque within Iowa.