Richardson County is located in the southeastern part of Nebraska, bordered by the Missouri River to the east. It was established in 1855 and is named after William A. Richardson, a prominent politician. The county seat is Falls City, which serves as the largest city in the area. The county is known for its agricultural activities, with farming being a significant part of the local economy. It features a mix of rural landscapes, small towns, and recreational areas, making it a place where residents enjoy both community life and outdoor activities.