Castle Pines, Colorado Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Castle Pines, Colorado is 12,573 as of the 2023 American Community Survey, making it the 58th-largest city in Colorado. The median household income is $189,918, the median home value is $827,900, and the median age is 43.5.
The population has grown 46.2% since 2010 (10,369 → 15,162).
12,573
Population
1311
People / sq mi
$189,918
Median Income
$827,900
Median Home Value
Castle Pines covers 9.6 sq mi of land at 1311 people per square mile.
About Castle Pines, CO
Castle Pines is a city in Colorado with a population of 12,573. It ranks #58 among cities in Colorado by population. The median age is 43.5, older than the national median. The population is 51.3% male and 48.7% female.
The median household income in Castle Pines is $189,918, above the US median of $74,580. 5.4% of residents live below the federal poverty level. Home values sit at a median of $827,900, with monthly rent averaging $2,128. The homeownership rate of 84.1% is higher than the national rate of 64.8%.
Educational attainment in Castle Pines reflects 69.9% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 33.7% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 26.6 minutes each way.
Castle Pines city Population History (2010-2024)
The city of Castle Pines city had a population of 10,369 in 2010 and 15,162 in 2024, a 46.2% growth over 14 years. The peak was 15,162 in 2024. Average annual growth rate: 2.82%.
15,162
Population (2024)
10,369
Population (2010)
15,162
Peak (2024)
2.82%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,369 |
| 2011 | 10,451 |
| 2012 | 10,582 |
| 2013 | 10,636 |
| 2014 | 10,684 |
| 2015 | 10,645 |
| 2016 | 10,572 |
| 2017 | 10,514 |
| 2018 | 10,545 |
| 2019 | 10,763 |
| 2020 | 11,213 |
| 2021 | 12,309 |
| 2022 | 13,507 |
| 2023 | 14,791 |
| 2024 | 15,162 |
Race & Ethnicity
| White | 80.1% |
| Black or African American | 4.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.7% |
Economy & Income
$189,918
Median Household Income
$79,046
Per Capita Income
5.4%
Poverty Rate
1.9%
Unemployment Rate
Housing
$827,900
Median Home Value
$2,128
Median Rent
84.1%
Owner-Occupied
Education
99.2%
High School+
69.9%
Bachelor's+
Commute
0.2%
Drive Alone
57.6%
Public Transit
33.7%
Work From Home
26.6 min
Avg Commute
Community Profile
54.0%
Foreign Born
89.5%
Non-English at Home
6.9%
Veterans
6.2%
With Disability
96.4%
Health Insurance
99.3%
Internet Access
Employment by Industry
| Finance, Insurance & Real Estate | 21.4% |
| Professional, Scientific & Management | 19.4% |
| Information | 11.2% |
| Manufacturing | 7.0% |
| Public Administration | 6.0% |
| Construction | 5.8% |
| Transportation & Warehousing | 4.9% |
| Education, Health Care & Social Services | 4.6% |
| Arts, Entertainment & Food Services | 3.2% |
| Agriculture & Mining | 2.6% |
| Retail Trade | 2.5% |
Largest cities in Colorado
Largest counties in Colorado
Part of Colorado
Metro areas in Colorado
City rankings
Frequently Asked Questions
Castle Pines, Colorado has a population of 12,573 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 58th-largest city in Colorado.
The median household income in Castle Pines, Colorado is $189,918, with 5.4% of residents living below the federal poverty level.
The median home value in Castle Pines, Colorado is $827,900, with median monthly rent at $2,128 and a homeownership rate of 84.1%.
The median age in Castle Pines, Colorado is 43.5 years. The population is 51.3% male and 48.7% female.
The population has grown 46.2% since 2010 (10,369 → 15,162).
More from Colorado
Population 713,734
Population 483,099
Population 390,201
Population 169,705
Population 156,309
Full rankings of Colorado cities by population
Statewide data for Colorado
Population, race, income, age, and trends across Colorado
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.