Nez Perce County is a county located in the U.S. state of Idaho. As of the most recent data available, the county has a population of approximately 37,410 people, with a population density of about 44.06 persons per square mile.
The county spans a total land area of 849.00 square miles (2,199.00 square kilometers). The administrative center and county seat is Lewiston, which often serves as a hub for local governance and services. The largest city within the county by population is Lewiston.
Geographically, Nez Perce County experiences varied elevations, with its highest point at Leland 2,240 ft and its lowest point at Lewiston 755 ft. The region operates in the UTC-8.