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Mesa County, Colorado facts for kids

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Mesa County
Mesa County Courthouse
Mesa County Courthouse
Map of Colorado highlighting Mesa County
Location within the U.S. state of Colorado
Map of the United States highlighting Colorado
Colorado's location within the U.S.
Country  United States
State  Colorado
Founded February 14, 1883
Named for Mesas in the area
Seat Grand Junction
Largest city Grand Junction
 • Total 3,341 sq mi (8,650 km2)
 • Land 3,329 sq mi (8,620 km2)
 • Water 12 sq mi (30 km2)  0.4%%
 • Estimate 
 • Density 47/sq mi (18/km2)
Time zone UTC−7 (Mountain)
 • Summer (DST) UTC−6 (MDT)
Congressional district 3rd
Mesa State Park

Mesa County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 155,703. The county seat is Grand Junction. The county was named for the many large mesas in the area, including Grand Mesa.

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


According to the U.S. Census Bureau, the county has a total area of 3,341 square miles (8,650 km2), of which 3,329 square miles (8,620 km2) is land and 12 square miles (31 km2) (0.4%) is water. It is the fourth-largest county by area in Colorado.

Adjacent counties

National protected areas

State protected areas

Trails and byways


Historical population
Census Pop.
1890 4,260
1900 9,267 117.5%
1910 22,197 139.5%
1920 22,281 0.4%
1930 25,908 16.3%
1940 33,791 30.4%
1950 38,794 14.8%
1960 50,715 30.7%
1970 54,734 7.9%
1980 81,530 49.0%
1990 93,145 14.2%
2000 116,255 24.8%
2010 146,723 26.2%
2020 155,703 6.1%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2020

As of the census of 2010, there were 146,723 people, 58,095 households, and 38,593 families living in the county. The population density was 44.1 people per square mile (17.23.1/km2). There were 62,644 housing units. Information that follows comes from the 2000 American Factfinder data: The racial makeup of the county was 92.34% White, 0.46% Black or African American, 0.91% Native American, 0.53% Asian, 0.10% Pacific Islander, 3.67% from other races, and 1.99% from two or more races. 10.02% of the population were Hispanic or Latino of any race.

There were 45,823 households, out of which 31.40% had children under the age of 18 living with them, 55.30% were married couples living together, 9.80% had a female householder with no husband present, and 31.10% were non-families. 25.10% of all households were made up of individuals, and 10.30% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.94.

In the county, the population was spread out, with 25.00% under the age of 18, 9.40% from 18 to 24, 26.70% from 25 to 44, 23.70% from 45 to 64, and 15.20% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 96.00 males. For every 100 females age 18 and over, there were 93.20 males.

The median income for a household in the county was $35,864, and the median income for a family was $43,009. Males had a median income of $32,316 versus $22,374 for females. The per capita income for the county was $18,715. About 7.00% of families and 10.20% of the population were below the poverty line, including 11.50% of those under age 18 and 8.10% of those age 65 or over.




Census-designated places

Other unincorporated places


Major Highways


  • Grand Junction Regional Airport is located 4.6 miles from downtown Grand Junction.
  • Mack Mesa Airport is located 25 miles from downtown Grand Junction.
  • Pinyon Airport is located 12.6 miles from downtown Grand Junction.



  • There is a Greyhound Bus Station located in Grand Junction.
  • Grand Valley Transit is the public transportation agency that serves the Grand Junction area and currently has 11 fixed routes.

See also

Kids robot.svg In Spanish: Condado de Mesa para niños

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