Highlands Ranch is a census-designated place (CDP) in Douglas County, Colorado, United States. The population was 96,713 at the 2010 census. Located 12 miles (19 km) south of Denver, Highlands Ranch is an unincorporated community and was the twelfth-most populous CDP in the United States in 2010.
Highlands Ranch is located at 39°32′31″N 104°58′15″W / 39.54194°N 104.97083°W / 39.54194; -104.97083 (39.5419351, −104.9707525) at an elevation of 5,920 feet (1,800 m). Located on Colorado State Highway 470 in central Colorado, Highlands Ranch is 13 miles (21 km) south of downtown Denver and 13 miles (21 km) north-northwest of Castle Rock, the county seat.
According to the United States Census Bureau, the CDP has a total area of 24.29 square miles (62.9 km) of which 24.26 square miles (62.8 km) is land and 0.03 square miles (0.078 km) is water.
As a suburb of Denver, Highlands Ranch is part of both the greater Denver metropolitan area and the Front Range Urban Corridor. It borders several other Denver suburbs including Littleton and Centennial to the north and Acres Green and Lone Tree to the east. In addition, Highlands Ranch borders Chatfield State Park to the west. As Highlands Ranch is a CDP, its boundaries are defined by the U.S. Census Bureau and have no legal standing.
As of the 2010 census, there were 96,713 people, 34,054 households, and 26,535 families residing in the CDP. The population density was 3,986.5 people per square mile (1,540.0/km²). There were 35,167 housing units at an average density of 1,449.6 per square mile (560.0/km²). The racial makeup of the CDP was 88.7% White, 5.6% Asian, 1.2% African American, 0.4% American Indian, 0.0% Pacific Islander, 1.4% from other races, and 2.6% from two or more races. Hispanics and Latinos of any race were 7.2% of the population.
There were 34,054 households out of which 48.0% had children under the age of 18 living with them, 67.5% were married couples living together, 3.1% had a male householder with no wife present, 7.3% had a female householder with no husband present, and 22.1% were non-families. 18.2% of all households were made up of individuals, and 4.3% had someone living alone who was 65 years of age or older. The average household size was 2.84, and the average family size was 3.27.
The distribution of the population by age was 32.0% under the age of 18, 5.0% from 18 to 24, 30.3% from 25 to 44, 26.1% from 45 to 64, and 6.6% who were 65 years of age or older. The median age was 36.3 years. The gender makeup of the CDP was 49.1% male and 50.9% female.
The median income for a household in the CDP was $104,411, and the median income for a family was $113,944. Males had a median income of $84,067 versus $54,962 for females. The CDP’s per capita income was $43,137. About 1.1% of families and 1.6% of the population were below the poverty line, including 1.4% of those under age 18 and 1.8% of those age 65 or over.