US ZIP Code
80108

Castle Rock, CO

Douglas County  ·  Colorado

● Active
👥 35,485 Population ↑ 28% since 2019
💰 $178,670 Median HH Income
▲ 134% above avg ↑ 26% since 2019
🎂 40.2 Median Age ↓ 2% since 2019
🏠 $813,500 Median Home Value
▲ 192% above avg ↑ 30% since 2019
🎓 73.1% College Grads
▲ 89% above avg
📊 2.7% Unemployment
▼ 44% below avg
ZIP Code Details
ZIP Code80108
CityCastle Rock
StateColorado (CO)
CountyDouglas County
Area Code303/720/983
Elevation6,449 ft
Latitude39.444376
Longitude-104.853179
TimezoneDenver (DST)
FIPS08035
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 51.1% (18,143) Female 48.9% (17,342) ♀

Race & Ethnicity

White: 80.4%Hispanic: 10.5%Black: 1.8%Asian: 2.6%Other: 4.1%Race
White80.4%
Hispanic10.5%
Black1.8%
Asian2.6%
Other4.1%

Age Breakdown

Under 5
7%
5–17
20%
18–24
6%
25–44
25%
45–64
28%
65+
7%

Key Indicators

Median Age40.2 yrs ↓ 2% since 2019
Avg Household Size2.90
Below Poverty3.8% ▼ 62% below avg
College Grads73.1% ▲ 89% above avg
Unemployment2.7% ▼ 44% below avg
No HS Diploma68 (0.3%)
HS Graduate2,404 (10.5%)
Some College1,243 (5.4%)
Associates2,434 (10.6%)
Bachelors1,818 (8%)
Graduate Degree14,897 (65.2%)

Education

No HS: 0.3%HS Grad: 10.5%Some College: 5.4%Associates: 10.6%Bachelors: 8%Graduate: 65.2%Edu
No HS0.3%
HS Grad10.5%
Some College5.4%
Associates10.6%
Bachelors8.0%
Graduate65.2%
Housing & Income

Housing Tenure

Owner: 84.4%Renter: 15.6%Tenure
Owner84.4%
Renter15.6%

Home Value Distribution

Under $50k
1%
$100k–150k
0%
$150k–200k
0%
$200k–300k
0%
$300k–500k
5%
Over $500k
93%

Financials

Median HH Income$178,670 ▲ 134% above avg ↑ 26% since 2019
Median Home Value$813,500 ▲ 192% above avg ↑ 30% since 2019
Home/Income Ratio4.6x (nat avg ~3.5x)
Median Rent$1,995/mo ↑ 20% since 2019
Total Units12,801
Vacant Units623
Avg HH Size2.90

Income Distribution

Under $25k
4%
$25k–50k
5%
$50k–75k
6%
$75k–100k
9%
$100k–150k
18%
$150k–200k
15%
Over $200k
43%
Employment & Commute

How People Get to Work

Drove Alone
65%
Public Transit
0%
Walked
2%
Work From Home
32%

Commute Time

Under 15 min
21%
15–30 min
38%
30–45 min
23%
Over 45 min
19%
Housing Stock

Year Built

1940s–1950s
1%
1960s–1970s
5%
1980s–1990s
28%
2000+
67%

Summary

Total Units12,801
Vacant623
Owner Occupied84.4%
Renter Occupied15.6%
Avg HH Size2.90
Frequently Asked Questions
ZIP code 80108 is in Castle Rock, CO, in Douglas County.
ZIP code 80108 is located in Colorado (CO).
ZIP code 80108 is in Douglas County, CO.
ZIP 80108 observes the Denver timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 80108 is 35,485 people (ACS 2023).
The median household income in ZIP code 80108 is $178,670 (ACS 2023).
The median home value in ZIP 80108 is $813,500 (ACS 2023).
About ZIP Code 80108

ZIP code 80108 is located in Castle Rock, Colorado, within Douglas County. With a population of 35,485, this is a highly populated ZIP code with a middle-aged community — the median age is 40.2 years. Economically, 80108 is a affluent ZIP code: the median household income of $178,670 is more than double the national average.

Real estate in ZIP code 80108 represents among the most expensive housing markets in the country. The median home value of $813,500 is more than double the national average. Renters can expect to pay around $1,995 per month in median rent. Homeownership is strong here — 84.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 30% since 2019.

The population of 80108 is primarily White (80.35%). Residents are highly educated — 73.1% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 3.8%. Household income has grown by 26% since 2019.

The unemployment rate in 80108 stands at 2.7%, which is below the national average. A notably high share of workers — 30% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 62%.

Overall, ZIP code 80108 in Castle Rock, CO is characterized as affluent, highly educated, a middle-aged community, and predominantly owner-occupied. With 35,485 residents, a median household income of $178,670, and a median home value of $813,500, it offers a clear picture of life in this part of Colorado.