Boundary 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 9,871 people, with a population density of about 7.78 persons per square mile.
The county spans a total land area of 1,269.00 square miles (3,287.00 square kilometers). The administrative center and county seat is Bonners Ferry, which often serves as a hub for local governance and services. The largest city within the county by population is Bonners Ferry.
Geographically, Boundary County experiences varied elevations, with its highest point at Moyie Springs 2,204 ft and its lowest point at Bonners Ferry 1,930 ft. The region operates in the UTC-8.