Map of Cass County, Nebraska
Cass County is a county in the U.S. state of Nebraska. As of the 2010 United States Census, the population was 25,241. Its county seat and largest city is Plattsmouth. The county was formed in 1855, and was named for General Lewis Cass. Cass County is included in the Omaha–Council Bluffs, NE-IA Metropolitan Statistical Area. … Read more