80108 ZIP Code — Castle Rock, CO

Douglas County, Colorado

ZIP code 80108 is located in Castle Rock, Colorado, within Douglas County. It covers approximately 35.29 square miles and serves a population of 33,259 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 720/303.

About ZIP code 80108

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $752,100. Owner-occupancy is high at 85%, well above the national average.

The gap between median ($173,018) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average. Remote work is prevalent — 25% of workers work from home.

Educational attainment is high — 65% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 80108 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

33,259

population

35.29

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

80108 ZIP code map

Cities in ZIP code 80108

Below are the cities the US Postal Service accepts for ZIP code 80108. Using any city not on this list may result in mail delivery delays.

City	Status
Castle Rock	Acceptable
Castle Rock	Preferred

Nearby ZIP codes

80134 Parker (5.2 mi) 80109 Castle Rock (6.4 mi) 80124 Lone Tree (7.1 mi) 80130 Littleton (8 mi) 80126 Littleton (8.5 mi) 80112 Englewood (8.6 mi) 80104 Castle Rock (9.6 mi) 80138 Parker (9.8 mi) 80129 Littleton (11.3 mi) 80122 Littleton (11.3 mi) 80125 Littleton (11.3 mi) 80116 Franktown (11.5 mi)

Demographics updated 05/2026

Population
Total population	33,259
Population density	942 / sq mi
State FIPS	08
County FIPS	035

Geography
Land area	35.29 sq mi
Water area	0.00 sq mi
Latitude	39.4422
Longitude	-104.8444
Timezone	Mountain (MT)
Area code	720/303

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	12.9%	14.5%	32.5%
$50k – $100k	17.0%	24.3%	31.0%
$100k – $200k	32.4%	39.5%	26.9%
Over $200k	37.7%	21.8%	9.6%

Demographics & statistics

33,259

Population

942

People per sq mi

41.2

Median age

$173,018

Median household income

$78,304

Per capita income

$752,100

Median home value

$1,875

Median monthly rent

84.5%

Home ownership

3.4%

Poverty rate

2.8%

Unemployment

10,243

Housing units

65.4%

Bachelor's or higher

Age distribution

Male Female

921

Under 5

890

1,208

5–9

1,168

1,321

10–14

1,278

1,330

15–19

1,286

754

20–24

729

1,439

25–34

1,392

2,550

35–44

2,466

2,689

45–54

2,601

1,446

55–59

1,398

903

60–64

873

1,598

65–74

1,545

592

75–84

572

158

85+

152

← Male

Female →

Age summary

Group	Count	%
Under 18	8,450	25.4%
18 and over	24,809	74.6%
65 and over	4,617	13.9%
Median age	41.2 years

Race & ethnicity

White 78.7%

Hispanic or Latino 6.8%

Two or more races 6.2%

Other race 2.9%

Asian 2.8%

Black or African American 2.1%

Native Hawaiian / Pacific Islander 0.3%

American Indian / Alaska Native 0.2%

Group	Count	%
White	28,085	78.7%
Hispanic or Latino	2,419	6.8%
Two or more races	2,201	6.2%
Other race	1,049	2.9%
Asian	1,013	2.8%
Black or African American	733	2.1%
Native Hawaiian / Pacific Islander	113	0.3%
American Indian / Alaska Native	65	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	12.9%	14.5%	32.5%
$50k – $100k	17.0%	24.3%	31.0%
$100k – $200k	32.4%	39.5%	26.9%
Over $200k	37.7%	21.8%	9.6%

Under $10k 1.3%

$10k–$15k 1.4%

$15k–$25k 1.6%

$25k–$35k 2.0%

$35k–$50k 4.8%

$50k–$75k 7.1%

$75k–$100k 8.6%

$100k–$150k 18.0%

$150k–$200k 14.1%

$200k+ 41.1%

Range	% of households
Under $10k	1.3%
$10k–$15k	1.4%
$15k–$25k	1.6%
$25k–$35k	2.0%
$35k–$50k	4.8%
$50k–$75k	7.1%
$75k–$100k	8.6%
$100k–$150k	18.0%
$150k–$200k	14.1%
$200k+	41.1%
Median income	$173,018

Housing

Home values

Under $50k 0.8%

$100k–$150k 0.1%

$150k–$200k 0.3%

$200k–$300k 0.6%

$300k–$500k 6.1%

$500k–$1M 68.7%

$1M+ 23.4%

Housing overview

Metric	Value
Median home value	$752,100
Median rent / month	$1,875
Owner occupied	84.5%
Renter occupied	15.5%
Vacant	4.4%
Single-family detached	79.8%
Large apartment buildings	6.3%
Mobile homes	0.2%
Median rooms	8.4
Avg household size (owned)	2.99

Year built

Era	%
2020 or later	4.0%
2010–2019	24.6%
2000–2009	37.6%
1990–1999	20.9%
1980–1989	8.0%
1970–1979	3.5%
1960–1969	0.3%
1950–1959	0.9%
1940–1949	0.0%
1939 or earlier	0.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	6.4%
2 bedrooms	11.0%
3 bedrooms	28.2%
4 bedrooms	29.2%
5+ bedrooms	24.6%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	15.3%
2 vehicles	49.4%
3 or more	33.3%

Heating fuel

Fuel type	%
Utility gas	77.8%
Electricity	20.1%
Propane / LP gas	1.4%
Fuel oil	0.1%
Solar	0.1%

Households & families

Household type	Count	%
Married-couple family	8,641	75.2%
Cohabiting couple	606	5.3%
Male householder, no spouse	895	7.8%
Female householder, no spouse	1,349	11.7%
Households with children under 18	4,697	40.9%
Households with seniors (65+)	3,030	26.4%
Average household size	2.88

Marital status

Status	Male	Female
Never married	23.9%	19.4%
Married	67.5%	67.3%
Separated	0.6%	0.6%
Widowed	1.5%	3.1%
Divorced	6.5%	9.6%

Education

Less than 9th grade 0.9%

Some HS, no diploma 0.5%

HS graduate 11.0%

Some college, no degree 14.4%

Associate's degree 7.9%

Bachelor's degree 43.2%

Graduate / professional 22.2%

Metric	%
HS diploma or higher	98.6%
Bachelor's or higher	65.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	597	6.3%
Kindergarten	412	4.4%
Elementary school	4,055	43.0%
High school	2,403	25.5%
College / grad school	1,960	20.8%

Employment

Industry of employment

Education & healthcare 21.2%

Professional & management 19.6%

Finance & real estate 9.9%

Retail trade 9.1%

Arts, food & hospitality 6.6%

Public administration 6.0%

Construction 5.9%

Manufacturing 5.7%

Wholesale trade 4.1%

Information 4.1%

Other services 3.3%

Transportation & utilities 2.9%

Agriculture & mining 1.6%

Occupation

Category	%
Management, business & arts	62.5%
Service	10.6%
Sales & office	19.8%
Natural resources & construction	3.0%
Production & transportation	4.1%

Employment type

Type	%
Private sector	79.8%
Government	14.0%
Self-employed	6.0%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	65.3%
Carpool	5.0%
Public transit	0.7%
Walk	2.6%
Work from home	25.3%
Other means	1.1%
Avg commute (minutes)	29.3

Poverty

All people 3.4%

Under 18 years 3.0%

18 and over 3.5%

Married-couple families 2.3%

Female-led households 10.1%

Income support

Source	% of households
Social Security	22.3%
Retirement income	24.3%
Supplemental Security	1.0%
Cash public assistance	0.9%
Food stamps / SNAP	1.3%

Health indicators

Condition	%
Obesity	20.6%
High blood pressure	23.3%
High cholesterol	32.0%
Diabetes	5.8%
Heart disease	3.9%
Stroke	1.8%
Asthma	8.9%
Arthritis	17.6%
Kidney disease	2.0%
Pulmonary disease	3.7%
Cancer	6.2%

Behavior / access	%
Smoking	9.4%
Binge drinking	19.5%
No physical activity	10.8%
Less than 7 hrs sleep	24.3%
Depression	16.9%
Fair or poor health	6.9%
Poor mental health	11.3%
Poor physical health	6.8%
No health insurance	7.8%
Visited doctor (checkup)	68.9%
Visited dentist	79.1%
Cholesterol screening	93.3%
Teeth loss	5.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,017	8.1%

Disability	%
Any disability	6.0%
Under 18	3.1%
18–64 years	4.6%
65 and over	17.9%

Health insurance coverage

Type	%
Private insurance	86.9%
Public insurance	18.7%
No insurance	3.8%
Uninsured under 19	0.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	31,448	94.6%
Spanish	622	2.0%
Other Indo-European	334	1.1%
Asian & Pacific Islander	55	0.2%
Other languages	141	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	30,618	92.1%
Born in same state	30,181	90.7%
Born in different state	11,218	33.7%
Foreign born	437	1.3%
Naturalized citizen	2,641	7.9%
Not a US citizen	1,268	48.0%

Ancestry

Ancestry	Count	%
French	5,906	17.8%
Italian	4,454	13.4%
English	916	2.8%
Arab	890	2.7%
Polish	750	2.3%

Ancestry	Count	%
Dutch	333	1%
German	301	0.9%
Irish	269	0.8%
Norwegian	192	0.6%

Technology access

Metric	% of households
Computer access	34.6%
Internet access	99.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 80108

What city is ZIP code 80108 in?

ZIP code 80108 is primarily assigned to Castle Rock, Colorado.

What county is ZIP code 80108 in?

ZIP code 80108 falls within Douglas County, Colorado.

How educated is the population of ZIP code 80108?

65% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 80108 mostly owner-occupied?

85% of occupied units in ZIP code 80108 are owner-occupied, well above the national average.

What is the median household income in ZIP code 80108?

The median household income in ZIP code 80108 is $173,018, above the national median of ~$75,000.

What is the typical home value in ZIP code 80108?

The median home value in ZIP code 80108 is $752,100.

What timezone is ZIP code 80108 in?

ZIP code 80108 observes the MST timezone.