Nodaway County is a county located in the U.S. state of Missouri. As of the most recent data available, the county has a population of approximately 21,912 people, with a population density of about 24.99 persons per square mile.
The county spans a total land area of 877.00 square miles (2,271.00 square kilometers). The administrative center and county seat is Maryville, which often serves as a hub for local governance and services. The largest city within the county by population is Maryville.
Geographically, Nodaway County experiences varied elevations, with its highest point at Maryville 1,136 ft and its lowest point at Skidmore 925 ft. The region operates in the UTC-6.