PlainZIP

Castle Rock, CO · standard

ZIP Code 80104

Douglas County, Colorado - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

27,588
137/sq mi
$134,335
Median income
$624,200
Median home value
55.8%
Bachelor's or higher

The verdict

Castle Rock pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 6%
household income, US ZIPs
Top 8%
home value, US ZIPs
137
people per sq mi
79%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 80104 against every reporting US ZIP.

ZIP code 80104 is a densely settled ZIP (a standard USPS delivery area) in Castle Rock, Douglas County, Colorado, with 27,588 residents across 201.1 square miles, a density of 137 people per square mile, in the Denver time zone.

ZIP 80104 skews affluent, with a median household income of $134,335 (51% above the Colorado average), while per-capita income is $59,720. 4.2% of residents live below the poverty line, and the unemployment rate reads 3.8%. On housing, the median home value is $624,200 (29% above the state average) with median rent at $1,880 per month, and 79.4% of occupied units are owner-occupied.

This is a highly-educated ZIP: 55.8% of adults hold a bachelor's degree or higher, the median age is 38.2, and the average commute is 30 minutes. To put 80104 in local context, 4 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Douglas County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 80104

Top 5 sectors by establishment count in Castle Rock, CO

Which industries have the most business establishments in ZIP 80104.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 80104, Castle Rock, CO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

27,588

Population

201.1

Area (sq mi)

137

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 80104?

38.2

Median Age

49.8%

Male

50.2%

Female

5.4%

Foreign-Born

White 80.9%
African American 0.5%
Asian 2.3%
American Indian or Alaska Native 0.7%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 12.8%
Hispanic or Latino 11.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$134,335

Median Household Income

+51% vs state

$59,720

Per Capita Income

4.2%

Poverty Rate

3.8%

Unemployment Rate

29.5 min

Mean Commute Time

How ZIP 80104 ranks nationally

Castle Rock, CO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$134,335 Top 6% higher than 94% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 69.3%
Bachelor's Degree or Higher 55.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

14,891

Total Housing Units

14,383

Occupied Units

508

Vacant Units

2.66

Avg Household Size

Occupancy Type

Owner 79.4%
Renter 20.6%

$624,200

Median Home Value

+29% vs state

$1,880

Median Rent

2003

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+1.6%

YoY Change (2024)

286

HPI Index (2000 = 100)

+186%

Total Change Since 2000

Home values in ZIP 80104 have increased 1.6% over the past year (2024). Since 2000, this ZIP has seen +186% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.1% 202
2021 +14.4% 231
2022 +15.2% 267
2023 +5.4% 281
2024 +1.6% 286

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,153 business establishments in ZIP 80104, employing approximately 9,236 people with a combined annual payroll of $487,865,000.

1,153

Businesses

9,236

Employees

$487.9M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 170 14.7%
Health care and social assistance 140 12.1%
Construction 135 11.7%
Other services (except public administration) 126 10.9%
Retail trade 98 8.5%
Real estate and rental and leasing 98 8.5%
Finance and insurance 92 8.0%
Administrative and support and waste management and remediation services 77 6.7%
Accommodation and food services 74 6.4%
Wholesale trade 35 3.0%
Information 28 2.4%
Educational services 23 2.0%
Arts, entertainment, and recreation 21 1.8%
Transportation and warehousing 19 1.6%
Manufacturing 9 0.8%
Management of companies and enterprises 4 0.3%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 80104 vs 80116 →

ZIP 80104 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 80104 ranks the most populous - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 80104 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 80104 ranks #5 of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
80116 Franktown, CO 3,942 5.4 mi
80109 Castle Rock, CO 17,219 6.2 mi
80108 Castle Rock, CO 22,612 10.1 mi
80118 Larkspur, CO 5,308 8.5 mi

More ZIP Codes in Douglas County

80134 standard
Parker, CO
Pop: 55,075
80126 standard
Littleton, CO
Pop: 39,698
80138 standard
Parker, CO
Pop: 29,786
80130 standard
Littleton, CO
Pop: 27,054
80129 standard
Littleton, CO
Pop: 27,007
80108 standard
Castle Rock, CO
Pop: 22,612

Related Areas

Douglas County Castle Rock, CO Colorado

Frequently Asked Questions

What county is ZIP code 80104 in? ▼
ZIP code 80104 (Castle Rock) is located in Douglas County, Colorado. Douglas County contains multiple ZIP codes, see the full list at /counties/douglas-co.
What is the population of ZIP code 80104? ▼
ZIP code 80104 in Castle Rock, CO has a population of 27,588 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 80104? ▼
The median household income in ZIP 80104 is $134,335, which is 76% above the national average of $76,288.
What is the average home value in ZIP 80104? ▼
The median home value in ZIP 80104 is $624,200, which is 124% above the national average of $278,155.
What is the demographic makeup of ZIP 80104? ▼
The largest racial group in ZIP 80104 is White at 80.9%. Hispanic or Latino residents make up 11.4% of the population.
How many businesses are in ZIP code 80104? ▼
ZIP code 80104 has 1,153 business establishments employing approximately 9,236 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 80104? ▼
The top industries by establishment count in ZIP 80104 are: Professional, scientific, and technical services (170), Health care and social assistance (140), Construction (135). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 80104? ▼
According to the FHFA House Price Index, home values in ZIP 80104 increased by 1.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 186%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 80104? ▼
In ZIP code 80104, 69.3% of residents aged 25+ have a high school diploma or higher, and 55.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 80104? ▼
The mean commute time for workers in ZIP code 80104 is 29.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 80104? ▼
In ZIP code 80104, approximately 79.4% of occupied housing units are owner-occupied and 20.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 80104? ▼
The poverty rate in ZIP code 80104 is 4.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.