Editing Castle Pines, Colorado (section)

==Demographics==
{{US Census population
| align = left
| 2010 = 10360
| 2020 = 11036
| estyear = 2023
| estimate = 14747
| estref = <ref name="USCensusEst2023">{{Cite web |title=Annual Estimates of the Resident Population for Counties: April 1, 2020 to July 1, 2023 |url=https://www.census.gov/data/tables/time-series/demo/popest/2020s-counties-total.html |access-date=March 24, 2024 |publisher=United States Census Bureau}}</ref>
| footnote = [[United States census|U.S. Decennial Census]]
}}
As of the [[2010 United States census|2010 census]], there were 10,360 people, 3,493 households, and 2,928 families residing in the city. The population density was {{convert|1,149.8|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 3,637 housing units at an average density of {{convert|403.7|/sqmi|/km2|sp=us|adj=off}}. The racial makeup of the city was 92.6% [[White American|White]], 2.6% [[Asian American|Asian]], 1.1% [[African American]], 0.2% [[Native Americans in the United States|American Indian]], 0.1% [[Pacific Islander]], 1.0% from other races, and 2.3% from two or more races. [[Hispanic and Latino Americans|Hispanics and Latinos]] of any race were 5.5% of the population.<ref name=Census2010>{{cite web | title = U.S. Census website | publisher = [[United States Census Bureau]] | url = https://www.census.gov | access-date = November 2, 2013}}</ref>

There were 3,493 households, out of which 50.0% had children under the age of 18 living with them, 76.3% were married couples living together, 2.7% had a male householder with no wife present, 4.9% had a female householder with no husband present, and 16.2% were non-families. 13.0% of all households were made up of individuals, and 2.7% had someone living alone who was 65 years of age or older. The average household size was 2.97, and the average family size was 3.27.<ref name=Census2010/>

In the city, the population was spread out, with 33.6% under the age of 18, 3.8% from 18 to 24, 24.8% from 25 to 44, 30.2% from 45 to 64, and 7.6% who were 65 years of age or older. The median age was 39.5 years. The gender makeup of the city was 49.7% male and 50.3% female.<ref name=Census2010/>

Castle Pines is one of the most affluent cities in the United States.<ref>{{cite web| url = http://www.bizjournals.com/denver/news/2011/09/13/colorados-most-affluent-communities.html| url-status = dead| archive-url = https://web.archive.org/web/20111002183822/http://www.bizjournals.com/denver/news/2011/09/13/colorados-most-affluent-communities.html| archive-date = October 2, 2011| title = Colorado's most affluent communities ranked - Denver Business Journal}}</ref>  The median income for a household in the city was $137,019, and the median income for a family was $147,473. Males had a median income of $118,235 versus $71,399 for females. The [[per capita income]] for the city was $49,702. About 0.9% of families and 1.7% of the population were below the [[poverty line]], including 2.9% of those under age 18 and 0.0% of those age 65 or over.<ref name=Census2010/>