About 52249 - Keystone, Iowa
Located in Iowa, the United States is home to the small community of Keystone, served by ZIP code 52249. It sits within Benton County.
Keystone has a reported population of 1,060. That's below the Iowa average of about 3,313 people per ZIP code.
Population density runs around 8 people per sq. mile, making it a rural area.
This ZIP code sits alongside neighboring areas like Ankeny, Cedar Falls, Dubuque within Iowa.