Cass County, Nebraska, is located in the southeastern part of the state. It was established in 1855 and is named after William Cass, a U.S. Army officer. The county seat is Plattsmouth, which is situated along the Missouri River. Cass County is known for its rural landscape, featuring farmland and small communities. The county covers an area of approximately 570 square miles and has a population of around 25,000 residents. It is part of the Omaha-Council Bluffs Metropolitan Area, providing access to urban amenities while maintaining a close-knit, rural atmosphere. Outdoor activities, such as hiking and fishing, are popular in the region.