Mesa County, Colorado

Mesa County
County
Old Mesa County Courthouse in Grand Junction
Location within the U.S. state of Colorado
Colorado's location within the U.S.
Coordinates: 39°01′N 108°28′W / 39.02°N 108.47°W / 39.02; -108.47
Country	United States
State	Colorado
Founded	February 14, 1883
Named for	Mesas in the area
Seat	Grand Junction
Largest city	Grand Junction
Area
• Total	3,341 sq mi (8,650 km2)
• Land	3,329 sq mi (8,620 km2)
• Water	12 sq mi (30 km2)  0.4%
Population  (2020)
• Total	155,703
• Density	47/sq mi (18/km2)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	3rd
Website	www.mesacounty.us

Mesa County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 155,703.^[1] The county seat and most populous municipality is Grand Junction.^[2] The county was named for the many large mesas in the area, including the Grand Mesa, which is the largest flat-topped mountain in the world.

Mesa County comprises the Grand Junction, CO Metropolitan Statistical Area.^[3][4] In 2020 it ranked as the 271st most populous metropolitan area in the United States.^[1] It is the only metropolitan area in Colorado not located on the Front Range.