United States › Colorado › Castle Rock CITY
Castle Rock Colorado · 83,815 residents (2025 est.) · 34.7 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
With 79,123 people, Castle Rock is a city in Colorado. The population has more than tripled since 2000, adding 58,899 people. This is an unusually credentialed place: 56% of adults have a four-year degree. Households here earn about 52% more than in Colorado as a whole. Few US cities rank higher on income. Median household income runs $145,197, well clear of the $82,259 US median.
At a glance
Wealthier
above the US median
US median: $82,259
Younger
median age 36.5
US median: 38.9
More educated
56% hold a bachelor's degree
US average: 36%
Less affordable
home values up 94%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 20,224 in 2000
83,815 in 2025 (Census Bureau estimate)
2,277 / sq mi
+91%since 2009
from 1,189 / sq mi in 2009
US average: 281
from 31.9 in 2000
US average: 38.9
Population, 1990 – 2024
2K 23K 44K 65K 86K 1990 2000 2010 2020 2024 Castle Rock Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $145,197
+24%inflation adjusted, since 2000
from $64,138 in 2000
US average: $82,259
from $26,760 in 2000
US average: $44,673
Households earning $100K+
from 59.6% in 2009
US average: 53.3%
from 3.6% in 2000
US average: 12.5%
from 0.362 in 2010
US average: 0.476
Workforce by industry, 2024
Public administration 7.5%
Arts, entertainment, food 4%
Professional, scientific, technical 2.4%
Transportation & warehousing 2.1%
Education & health services 1%
Agriculture, forestry, fishing 0.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$652,900
+94%inflation adjusted, since 2000
from $184,300 in 2000
US average: $376,019
$2,000
+39%inflation adjusted, since 2000
from $791 in 2000
US average: $1,442
from 74.1% in 2000
21.2% rent
from 3.4% in 2009
US average: 10.0%
from 2.86 people in 2009
US average: 2.54
from 32.0% in 2009
US average: 22.9%
from 44.0% in 2009
US average: 47.4%
from 3.2 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 90.3%(18,253)
Hispanic / Latino 6.2%(1,250)
2024
White, non-Hispanic 77.8%(61,562)
Hispanic / Latino 11.7%(9,234)
from 35 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Hispanic origin
+ 5 more hispanic origin groups with data Asian origin
+ 2 more asian origin groups with data Ancestry
+ 37 more ancestry groups with data from 38.6% in 2000
US average: 35.6%
High school or higher
from 94.4% in 2000
US average: 89.6%
from 10.3% in 2000
US average: 14.0%
Section 06
Commute & transportation from 21.8 min in 2000
US average: 26.5
from 77.3% in 2009
US average: 68.9%
from 8.2% in 2009
US average: 8.5%
from 1.0% in 2009
US average: 3.2%
from 10.7% in 2009
US average: 15.0%
from 2.0% in 2009
US average: 2.4%
from 0.2% in 2009
US average: 0.4%
from 2.0% in 2009
US average: 8.3%
Section 07
Work & employment from 6.6% in 2011
US average: 5.2%
from 78.2% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 76.5% in 2020
US average: 74.6%
from 10.6% in 2009
US average: 13.1%
from 45.1% in 2009
US average: 42.5%
Section 08
People & community from 5.4% in 2009
US average: 14.1%
from 11.0% in 2009
US average: 6.2%
from 6.9% in 2012
US average: 13.3%
from 9.0% in 2013
US average: 8.4%
from 95.1% in 2017
US average: 91.0%
Computer in household
from 96.9% in 2020
US average: 95.5%
from 82.1% in 2020
US average: 87.7%
from 93.7% in 2016
US average: 77.7%
from 3.8% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 26.5%(8,117)
Women 15+
Never married 25.1%(7,926)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 9.0% in 2013
US average: 8.4%
from 72.1% in 2020
US average: 54.8%
Direct-purchase
from 11.9% in 2020
US average: 13.8%
from 11.0% in 2020
US average: 18.4%
from 10.0% in 2020
US average: 20.9%
VA health care
from 2.0% in 2020
US average: 2.2%
Any private
from 83.0% in 2020
US average: 67.1%
Any public
from 21.0% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 44.1%(1,930)
Gulf War (1990s) 40.9%(1,788)
Share of the 4,373 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
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CASTLE ROCK VS
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Frequently asked
How many people live in Castle Rock, Colorado? Castle Rock, Colorado has about 79,123 residents according to the 2024 American Community Survey.
What is the median household income in Castle Rock, Colorado? The typical household in Castle Rock, Colorado earns about $145,197 a year. Half of households make more than that, and half make less.
Is Castle Rock, Colorado expensive? In Castle Rock, Colorado, the median home is worth about $652,900, and the typical rent is about $2,000 a month.
How educated are people in Castle Rock, Colorado? About 55.9% of adults age 25 and over in Castle Rock, Colorado hold a bachelor's degree or higher.
What is the poverty rate in Castle Rock, Colorado? About 3.8% of people in Castle Rock, Colorado live below the federal poverty line.
Has Castle Rock, Colorado grown since 1990? Yes, Castle Rock, Colorado has grown since 1990. The population has added about 70,415 residents, a change of about 809 percent over that period.
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