Boundary County, Idaho

Boundary County is a county in Idaho with an estimated population of 13,557 in 2023. 2 cities, towns and Census places in it are indexed here.

Largest places in Boundary County

About Boundary County

Boundary County is one of the counties of Idaho. County governments in Idaho handle local services such as courts, property records and elections; cities and towns inside the county run their own municipal services. Population figures come from the Census Bureau's Vintage 2023 estimates, which are updated annually.