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CITY · 2000 CENSUS

Castle Rock

Colorado · 20,224 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 $64,138. The city has more than doubled in size since 1990, adding 11,516 residents. 39% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value has more than doubled since 1990, reaching $184,300. Poverty is rare here, at 3.6% of residents. Households here earn about 36% more than the Colorado median.

At a glance
Wealthier
above the US median
US median: $42,589
Younger
median age 31.9
US median: 35.2
More educated
39% hold a bachelor's degree
US average: 24%
Less affordable
home values up 55%, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
20,224
+132%since 1990
from 8,708 in 1990
1990 – 2025
Median age
31.9
+4%since 1990
from 30.7 in 1990
US average: 35.2
Population, 1990 – 2024
2K23K44K65K86K1990201020202024Castle Rock
202479K
1990201020202024
Age distribution, 2000
Under 59.8%(1,975)
US avg: 6.8%
5 to 99.3%(1,883)
US avg: 7.3%
10 to 148.1%(1,642)
US avg: 7.3%
15 to 196.4%(1,303)
US avg: 7.2%
20 to 244.9%(981)
US avg: 6.7%
25 to 3417.6%(3,563)
US avg: 14.2%
35 to 4420.6%(4,165)
US avg: 16%
45 to 5412.7%(2,572)
US avg: 13.4%
55 to 645.9%(1,185)
US avg: 8.6%
65 to 742.9%(587)
US avg: 6.5%
75 to 841.4%(280)
US avg: 4.4%
85 and over0.4%(88)
US avg: 1.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$64,138
+28%inflation adjusted, since 1990
from $38,045 in 1990
US average: $42,589
1990 – 2024
Per capita income
$26,760
+72%since 1990
from $15,516 in 1990
US average: $21,522
Poverty rate
3.6%
−2.6 ptssince 1990
from 6.2% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$184,300
+55%inflation adjusted, since 1990
from $90,200 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$791
+35%inflation adjusted, since 1990
from $444 in 1990
US average: $602
Owner-occupied
74.1%
+8.6 ptssince 1990
from 65.6% in 1990
25.9% rent
RELATED:See current rent listings in Castle Rock on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic97.6%(8,503)
Black0.3%(30)
Hispanic / Latino3.6%(310)
Asian0.6%(53)
2000
White, non-Hispanic90.3%(18,253)
Black0.4%(84)
Hispanic / Latino6.2%(1,250)
Asian1.1%(221)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican6.7%(5,309)
Spaniard1.4%(1,103)
Puerto Rican0.6%(498)
Colombian0.6%(474)
Dominican0.3%(257)
Venezuelan0.3%(208)
Cuban0.2%(147)
Salvadoran0.1%(95)
Peruvian0.1%(89)
Chilean0.1%(82)
+ 5 more hispanic origin groups with data
Argentine0.1%(64)
Costa Rican0.1%(62)
Bolivian0%(26)
Asian origin
Asian Indian0.8%(629)
Chinese0.5%(422)
Hmong0.3%(224)
Korean0.2%(174)
Mongolian0.2%(161)
Vietnamese0.1%(83)
Filipino0.1%(63)
Japanese0.1%(58)
Thai0.1%(46)
Malaysian0%(28)
Burmese0%(27)
Pakistani0%(20)
+ 2 more asian origin groups with data
Uzbek0%(18)
Laotian0%(11)
Pacific Islander origin
Chamorro0.1%(52)
Samoan0%(27)
Guamanian0%(19)
Ancestry
German21.2%(16,741)
English17.3%(13,689)
Irish11.8%(9,340)
Italian5.3%(4,200)
Scottish3.7%(2,889)
American3.6%(2,886)
Norwegian2.8%(2,245)
Dutch2.4%(1,868)
Polish2.1%(1,694)
French2%(1,584)
Swedish1.7%(1,348)
Welsh1.2%(986)
+ 37 more ancestry groups with data
Russian0.9%(749)
Danish0.8%(661)
Czech0.7%(570)
Hungarian0.4%(345)
Arab0.4%(329)
Swiss0.4%(314)
Ukrainian0.4%(287)
British0.3%(256)
Brazilian0.3%(228)
Greek0.3%(205)
Portuguese0.2%(197)
Lithuanian0.2%(196)
Lebanese0.2%(190)
Finnish0.2%(170)
West Indian0.2%(152)
Syrian0.1%(114)
Canadian0.1%(105)
Austrian0.1%(102)
Romanian0.1%(82)
Slovak0.1%(78)
Belgian0.1%(74)
Serbian0.1%(65)
Jamaican0.1%(61)
Slovene0.1%(44)
Iranian0%(32)
Nigerian0%(32)
Croatian0%(29)
Guyanese0%(28)
Kenyan0%(19)
Egyptian0%(17)
Turkish0%(15)
Haitian0%(12)
RANKED:Largest German population · Largest English population · Largest Irish population · Largest Mexican population · Largest Italian population
Section 05

Education

Bachelor's degree or higher
38.6%
+11.5 ptssince 1990
from 27.1% in 1990
US average: 24.4%
High school or higher
94.4%
+1.2 ptssince 1990
from 93.1% in 1990
US average: 80.3%
Graduate degree
10.3%
+2.5 ptssince 1990
from 7.8% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
21.8 min
−12%since 1990
from 24.6 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status
Men 15+
Never married20.5%(1,518)
Married70.5%(5,208)
Widowed1%(77)
Divorced7.9%(585)
Women 15+
Never married18.7%(1,373)
Married65.5%(4,807)
Widowed4.2%(306)
Divorced11.7%(857)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2000
Drill deeper

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Frequently asked

How many people live in Castle Rock, Colorado?

Castle Rock, Colorado has about 20,224 residents according to the 2000 Census.

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

The typical household in Castle Rock, Colorado earns about $64,138 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 $184,300, and the typical rent is about $791 a month.

How educated are people in Castle Rock, Colorado?

About 38.6% 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 3.6% 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 11,516 residents, a change of about 132 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 →