About 50078 - Ferguson, Iowa
The ZIP code 50078 of Ferguson falls within Iowa, the United States - a sparsely populated area by population. It sits within Marshall County.
Census data puts the population of this ZIP code at 85 residents. That's below the Iowa average of about 3,313 people per ZIP code.
Population density runs around 128 people per sq. mile, making it a rural area.
Other ZIP code codes in Iowa serve areas such as Ankeny, Cedar Falls, Dubuque.