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CITY · 2010 ACS

Castle Rock

Colorado · 48,231 residents · 34.742 sq mi
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The short version

Castle Rock is significantly wealthier than the US average, with a median household income of $85,461. The city has more than doubled in size since 2000, adding 28,007 residents. 45% of adults hold a bachelor's degree or higher, well above the national rate of 28%. Median home value has risen by half since 2000, reaching $281,300. Poverty is rare here, at 6.2% of residents. Households here earn about 51% more than the Colorado median.

At a glance
Wealthier
above the US median
US median: $52,703
Younger
median age 33.8
US median: 37.2
More educated
45% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
48,231
+138%since 2000
from 20,224 in 2000
1990 – 2025
Median age
33.8
+6%since 2000
from 31.9 in 2000
US average: 37.2
Population, 1990 – 2024
2K23K44K65K86K1990201020202024Castle Rock
202479K
1990201020202024
Age distribution, 2010
Under 59.2%(4,444)
US avg: 6.5%
5 to 910.2%(4,934)
US avg: 6.6%
10 to 148.6%(4,128)
US avg: 6.7%
15 to 196.4%(3,079)
US avg: 7.1%
20 to 243.7%(1,798)
US avg: 7%
25 to 3414%(6,735)
US avg: 13.3%
35 to 4419%(9,164)
US avg: 13.3%
45 to 5414.1%(6,820)
US avg: 14.6%
55 to 648.6%(4,138)
US avg: 11.8%
65 to 744%(1,953)
US avg: 7%
75 to 841.5%(719)
US avg: 4.2%
85 and over0.7%(319)
US avg: 1.8%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$85,461
+5%inflation adjusted, since 2000
from $64,138 in 2000
US average: $52,703
1990 – 2024
Per capita income
$34,089
+27%since 2000
from $26,760 in 2000
US average: $27,286
Households earning $100K+
57.8%
−1.9 ptssince 2009
from 59.6% in 2009
US average: 33.3%
Poverty rate
6.2%
+2.6 ptssince 2000
from 3.6% in 2000
US average: 13.8%
Income inequality (Gini)
0.362
US average: 0.461
Workforce by industry, 2010
Other services14.3%
US avg: 7%
Information13.2%
US avg: 11.5%
Public administration10.7%
US avg: 4.9%
Wholesale trade7.7%
US avg: 7.2%
Arts, entertainment, food6.5%
US avg: 2.4%
Retail trade6.4%
US avg: 10.9%
Transportation & warehousing3.4%
US avg: 3.1%
Finance & insurance2.6%
US avg: 5.1%
Professional, scientific, technical1.8%
US avg: 4.2%
Agriculture, forestry, fishing1%
US avg: 1.9%
Education & health services0.8%
US avg: 0.9%
Manufacturing0.8%
US avg: 0.5%
Construction0.2%
US avg: 1.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$281,300
+21%inflation adjusted, since 2000
from $184,300 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$1,043
+4%inflation adjusted, since 2000
from $791 in 2000
US average: $853
Owner-occupied
70.5%
−3.7 ptssince 2000
from 74.1% in 2000
23.7% rent
Vacancy rate
3.6%
+0.2 ptssince 2009
from 3.4% in 2009
US average: 12.1%
Owner cost-burdened
32.1%
+0.1 ptssince 2009
from 32.0% in 2009
US average: 30.9%
Renter cost-burdened
44.3%
+0.2 ptssince 2009
from 44.0% in 2009
US average: 46.8%
Afford Score
3.3
+2%since 2009
from 3.2 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in Castle Rock on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic90.3%(18,253)
Black0.4%(84)
Hispanic / Latino6.2%(1,250)
Asian1.1%(221)
Other0%
2010
White, non-Hispanic84.7%(40,871)
Black1%(472)
Hispanic / Latino10%(4,819)
Asian1.6%(787)
Other2.9%(1,405)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican6.9%(3,066)
Spaniard1.2%(528)
Puerto Rican0.3%(131)
Cuban0.2%(95)
Bolivian0.2%(72)
Panamanian0.1%(59)
Salvadoran0.1%(32)
Honduran0.1%(23)
Colombian0%(17)
+ 2 more hispanic origin groups with data
Argentine0%(13)
Peruvian0%(11)
Ancestry
German27%(12,004)
Irish18.2%(8,091)
English13.7%(6,090)
Italian8%(3,561)
American4.8%(2,141)
Polish4.7%(2,067)
French4.5%(1,985)
Swedish3.9%(1,718)
Dutch3.3%(1,485)
Scotch-Irish3.2%(1,415)
Scottish3.2%(1,406)
Norwegian2.9%(1,287)
+ 34 more ancestry groups with data
Russian2.1%(916)
Welsh1.6%(714)
Czech1.3%(579)
Danish1.1%(504)
British0.7%(304)
Greek0.6%(281)
Hungarian0.6%(260)
Finnish0.5%(241)
Swiss0.5%(220)
West Indian0.5%(208)
Canadian0.5%(207)
Jamaican0.4%(188)
Austrian0.3%(139)
Lithuanian0.3%(125)
Arab0.2%(100)
Australian0.2%(82)
Ukrainian0.1%(60)
Syrian0.1%(50)
Slovak0.1%(48)
Latvian0.1%(47)
Lebanese0.1%(41)
Portuguese0.1%(40)
Belgian0.1%(23)
Bulgarian0%(20)
Ethiopian0%(17)
Slovene0%(16)
Serbian0%(15)
Romanian0%(14)
Iranian0%(12)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest Italian population · Largest Mexican population
Section 05

Education

Bachelor's degree or higher
44.6%
+6.0 ptssince 2000
from 38.6% in 2000
US average: 27.9%
High school or higher
96.0%
+1.6 ptssince 2000
from 94.4% in 2000
US average: 84.9%
Graduate degree
11.4%
+1.1 ptssince 2000
from 10.3% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
28.4 min
+30%since 2000
from 21.8 min in 2000
US average: 25.2
Drive alone to work
76.9%
−0.4 ptssince 2009
from 77.3% in 2009
US average: 76.2%
Carpooled to work
8.6%
+0.5 ptssince 2009
from 8.2% in 2009
US average: 10.4%
Public transit
1.1%
+0.1 ptssince 2009
from 1.0% in 2009
US average: 4.7%
Worked from home
10.9%
+0.1 ptssince 2009
from 10.7% in 2009
US average: 4.1%
Walked to work
1.7%
−0.2 ptssince 2009
from 2.0% in 2009
US average: 2.8%
Biked to work
0.1%
Unchangedsince 2009
from 0.2% in 2009
US average: 0.5%
No vehicle available
2.4%
+0.4 ptssince 2009
from 2.0% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
11.8%
+1.2 ptssince 2009
from 10.6% in 2009
US average: 12.9%
Management & professional
45.7%
−23.1 ptssince 2009
from 68.8% in 2009
US average: 35.2%
Section 08

People & community

Male
49.5%
−1.8 ptssince 2009
from 51.3% in 2009
Female
50.5%
+1.8 ptssince 2009
from 48.7% in 2009
Foreign born
4.4%
−1.0 ptssince 2009
from 5.4% in 2009
US average: 12.8%
Veterans
11.1%
−39.7 ptssince 2009
from 50.7% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married26.5%(8,117)
Married63.3%(19,414)
Widowed1.3%(384)
Divorced9%(2,751)
Women 15+
Never married25.1%(7,926)
Married60.5%(19,063)
Widowed4%(1,258)
Divorced10.4%(3,286)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked

How many people live in Castle Rock, Colorado?

Castle Rock, Colorado has about 48,231 residents according to the 2010 American Community Survey.

What is the median household income in Castle Rock, Colorado?

The typical household in Castle Rock, Colorado earns about $85,461 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 $281,300, and the typical rent is about $1,043 a month.

How educated are people in Castle Rock, Colorado?

About 44.6% 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 6.2% 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 39,523 residents, a change of about 454 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →