Residential delivery area · Colorado
ZIP Code 80108: Castle Rock, CO
ZIP code 80108 uses the postal name Castle Rock, Colorado and lies entirely in Douglas County (Census 2020 ZIP-county file). About 37,000 people live there (Census Bureau, ACS 2020-2024), the 2nd most populous of Castle Rock's 3 residential ZIP codes. Median household income is $181,049 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Castle Pines (25%), Castle Rock (22%) and Castle Pines Village (13%); 41% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Castle Rock · 3 residential ZIPs
- County
- Douglas County
- Census places
- Castle Pines (25%); Castle Rock (22%); Castle Pines Village (13%) census-designated place
- Metro area
- Denver-Aurora-Centennial, CO
- House district
- CO-4 119th Congress
- State
- Colorado
- Time zone
- Mountain
- Land area
- 35.3 sq mi · 1,041 people per sq mi
Where is ZIP code 80108?
80108 centers on 39.444°, -104.853° and covers 35.3 square miles of land. It borders 7 ZIP codes: 80134, 80109, 80124, 80130, 80104, 80116, 80135.
The map draws ZIP code areas only. For the streets inside 80108, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 80108 compare with the rest of Castle Rock?
| Measure | 80108 | In Castle Rock | In Douglas County | In CO |
|---|---|---|---|---|
| People (ACS 2020-2024) | 36,730 | 2nd of 3 | 7th of 18 | 46th of 527 |
| Median household income | $181k | 1st of 3 | 1st of 16 | 1st of 277 |
| Median home value | $882k | 1st of 3 | 3rd of 17 | 22nd of 311 |
Its median household income is higher than in 98% of U.S. residential ZIP codes, and it is denser than 79% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 80108?
The 2020 Census counted 32,188 people in 80108; the ACS, which samples households over 2020-2024, estimates 36,730. Between the 2010 and 2020 censuses its population grew 42.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 36,730
- 2020 Census count
- 32,188+42.3% since 2010 (22,612)
- Households
- 12,994
- Median age
- 40.5
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 80108?
Of the 36,730 people the ACS estimates in 80108, 25.3% are under 18 and 13.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (79.5%), then Hispanic or Latino (10.1%).
- Under 1825.3%
- 18 to 6461.0%
- 65 and older13.7%
- White, not Hispanic79.5%
- Hispanic or Latino10.1%
- Other or two or more5.2%
- Asian, not Hispanic3.1%
- Black, not Hispanic2.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 80108 earn?
Median household income is $181,049 (ACS 2020-2024), the highest of the 16 ranked ZIP codes in Douglas County. It is not measurably different from 2015-2019 ($174,350 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $181,049
- Income per person
- $87,899
- Below the poverty line
- 4.7%
- Unemployed (of the labor force)
- 2.8%
- Adults 25+ with a bachelor's degree
- 65.5%
- Adjusted gross income per tax return, 2022
- $212,11717,910 returns; wages 61% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 80108?
FHFA's house price index for 80108, built from repeat sales and appraisals of the same homes, rose 68% from 2015 to 2025 and rose 31% from 2020 to 2025, and moved −3.0% in 2025.
- Median home value (owners' estimate)
- $881,700
- Median gross rent
- $2,044
- Homes owned by their occupants
- 82.6%
- Housing units
- 13,593
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 80108?
904 business establishments had a location in this ZIP code in 2023, 164 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services196
- Retail trade133
- Real estate and rental and leasing93
- Health care and social assistance78
- Accommodation and food services73
- Construction70
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 80108?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 80134 | Parker | 80,302 | $147k | 4.7 mi |
| 80109 | Castle Rock | 28,400 | $155k | 5.9 mi |
| 80124 | Lone Tree | 22,555 | $130k | 6.4 mi |
| 80130 | Littleton | 24,719 | $159k | 6.9 mi |
| 80104 | Castle Rock | 38,479 | $134k | 10.0 mi |
| 80116 | Franktown | 5,132 | $146k | 11.5 mi |
| 80135 | Sedalia | 4,141 | $136k | 20.9 mi |
| 80131 | Louviers | 276 | $107k | 8.6 mi (near) |
| 80112 | Englewood | 36,816 | $109k | 8.9 mi (near) |
| 80126 | Littleton | 44,882 | $170k | 8.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.