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
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Castle Pines covers 9.6 sq mi of land at 1311 people per square mile.
About Castle Pines, CO
What sets Castle Pines apart is where people work — remote work is unusually prominent here, at 33.7% versus 14.0% nationally. With 12,573 residents, Castle Pines is a city in Colorado.
Income is a real outlier — the median household pulls in $189,918, putting Castle Pines near the top of US cities. Poverty runs at 5.4%, below the national 12.4%. Housing is expensive: the median home is worth $827,900, with typical rent around $2,128.
The population is unusually well-credentialed for US cities — 69.9% of adults have a four-year degree, above the national 35.0%. Working from home is common here: 33.7% of workers do so, above the national 14.0%, and the average commute runs about 27 minutes each way.
The remote-work concentration is telling in Castle Pines — it skews toward higher-income, college-educated workers and reshapes both commute patterns and housing demand.
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).
Where to stay in Castle Pines
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.