Keystone is a home rule town located in Summit County, Colorado, United States. The town is a part of the Breckenridge, CO Micropolitan Statistical Area. Keystone residents voted to incorporate on March 28, 2023, becoming a municipality on February 8, 2024. The municipality includes the Keystone Resort and Keystone Village. The population of the former Keystone census-designated place (CDP) was 1,369 at the United States Census 2020. of 2000, there were 825 people, 327 households, and 88 families residing in the CDP. The population density was . There were 2,606 housing units at an average density of . The racial makeup of the CDP was 86.55% White, 0.48% African American, 1.33% Asian, 9.09% from other races, and 2.55% from two or more races. Hispanic or Latino of any race were 13.58% of the population.
There were 327 households, out of which 6.7% had children under the age of 18 living with them, 22.0% were married couples living together, 1.5% had a female householder with no husband present, and 72.8% were non-families. 21.1% of all households were made up of individuals, and 0.6% had someone living alone who was 65 years of age or older. The average household size was 2.23 and the average family size was 2.42.
In the CDP, the population was spread out, with 7.2% under the age of 18, 39.9% from 18 to 24, 36.5% from 25 to 44, 12.5% from 45 to 64, and 4.0% who were 65 years of age or older. The median age was 26 years. For every 100 females, there were 186.5 males. For every 100 females age 18 and over, there were 195.8 males.
The median income for a household in the CDP was $43,654, and the median income for a family was $68,750. Males had a median income of $26,563 versus $30,833 for females. The per capita income for the CDP was $24,085. None of the families and 22.1% of the population were living below the poverty line, including no under eighteens and none of those over 64.
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The United States Census Bureau initially defined the for the
2020 census
As of the 2020 census, Keystone had a population of 1,369. The median age was 35.5 years. 6.2% of residents were under the age of 18 and 15.3% of residents were 65 years of age or older. For every 100 females there were 133.6 males, and for every 100 females age 18 and over there were 133.0 males age 18 and over.
42.4% of residents lived in urban areas, while 57.6% lived in rural areas.
There were 616 households in Keystone, of which 11.2% had children under the age of 18 living in them. Of all households, 31.2% were married-couple households, 43.2% were households with a male householder and no spouse or partner present, and 18.5% were households with a female householder and no spouse or partner present. About 40.9% of all households were made up of individuals and 8.4% had someone living alone who was 65 years of age or older.