Walnut is located in Pottawattamie County, IA. The population is 767, making Walnut the 9th largest city in Pottawattamie County.
There are 1 public schools in Walnut with an average Homefacts rating of C+. The total crime rate for Walnut is low , and there are 0 registered sex offenders residing in the city. Unemployment in Walnut is moderate and the median home sales price is $0. Detailed and up-to-date Walnut property reports are available for any property address.
Cities near Walnut include Layton Township, Monroe Township and Knox Township.