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).
Castle Pines city, CO Climate
Castle Pines city, CO has an average annual temperature of 9°C (48°F) and receives about 427 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
9°C
Avg Temp
427
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 29° | 12 mm |
| February | 0° / 32° | 14 mm |
| March | 3° / 38° | 33 mm |
| April | 7° / 45° | 39 mm |
| May | 12° / 54° | 64 mm |
| June | 18° / 64° | 52 mm |
| July | 21° / 70° | 60 mm |
| August | 20° / 69° | 51 mm |
| September | 16° / 60° | 36 mm |
| October | 10° / 49° | 27 mm |
| November | 3° / 37° | 23 mm |
| December | -1° / 30° | 16 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Castle Pines city, CO
The most comfortable months to visit Castle Pines city, CO are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -10°C low). May is usually the wettest month.
Where to stay near Castle Pines
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.