Montrose County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 42,679. The county seat is Montrose, for which the county is named.
Mesa County is a county in the U.S. state of Colorado. As of the 2020 census, the population was 155,703, making Mesa County the most populous county in western Colorado, and the 11th-most populous in
Montrose County, Colorado
…has a total area of 2,243 square miles (5,810 km2), of which 2,241 square miles (5,800 km2) is land and 1.9 square miles (4.9 km2) (0.08%) is water. Mesa County - north Delta County - northeast…
Wayne N. Aspinall Federal Building and U.S. Courthouse in Grand Junction