No municipalities classified as 'Cities' found in Jefferson County based on available data.
Jefferson County is a county located in the U.S. state of Montana. As of the most recent data available, the county has a population of approximately 10,049 people, with a population density of about 6.06 persons per square mile.
The county spans a total land area of 1,657.00 square miles (4,292.00 square kilometers). The administrative center and county seat is Boulder, which often serves as a hub for local governance and services. The largest city within the county by population is Montana City.
Geographically, Jefferson County experiences varied elevations, with its highest point at Basin 5,355 ft and its lowest point at Montana City 4,043 ft. The region operates in the UTC-7.