According to the 2010 census what was the population of the county in which The Pinnacles is located?
The Pinnacles (Montana):  6545 ft , is a set of mountain peaks within the Big Belt Mountains east of Craig, Montana in Cascade County, Montana. Cascade County, Montana:  As of the 2010 census, the population was 81,327, making it the fifth-most populous county in Montana.
81,327