ZIP code 80104
Where is ZIP code 80104?
Castle Rock, Colorado
Douglas County · Standard ZIP code
ZIP code 80104 belongs to Castle Rock, Colorado in Douglas County. 80104 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Mountain Time zone and uses area codes 303, 720 and 983. About 38,479 people live in the 80104 area, where the median household income is $134,335. The closest ZIP codes are 80109 (Castle Rock, 2.5 mi west), 80108 (Castle Rock, 5.1 mi north) and 80116 (Franktown, 7 mi east).
| ZIP code | 80104 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Castle Rock |
| State | Colorado (CO) |
| County | Douglas County |
| Time zone | Mountain Time · now |
| Area codes | 303, 720, 983 |
| Coordinates | 39.3722, -104.8561 map |
| 3-digit prefix | 801 |
Population and income in 80104
| Population | 38,479 · higher than 92% of Colorado ZIP codes |
|---|---|
| People per square mile | 544 · higher than 72% of Colorado ZIP codes |
| Median age | 38.2 years · lower than 67% of Colorado ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $134,335 · higher than 89% of Colorado ZIP codes |
| Income per person | $59,720 |
| Below the poverty line | 4.2% |
| Bachelor’s degree or higher | 56% of adults 25+ |
| Median home value | $624,200 · higher than 75% of Colorado ZIP codes |
| Median rent | $1,880 a month |
| Housing units | 14,891 |
| Households | 14,383 (2.66 people on average) |
| Owners / renters | 79% / 21% |
| Land area | 70.67 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 80104. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 80104
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 80109 | Castle Rock, CO | 2.5 mi W | Standard |
| 80108 | Castle Rock, CO | 5.1 mi N | Standard |
| 80116 | Franktown, CO | 7 mi E | Standard |
| 80163 | Littleton, CO | 7.6 mi W | PO Box only |
| 80134 | Parker, CO | 8.1 mi N | Standard |
| 80131 | Louviers, CO | 10.8 mi NW | PO Box only |
| 80118 | Larkspur, CO | 11.8 mi S | Standard |
| 80138 | Parker, CO | 11.9 mi NE | Standard |
| 80135 | Sedalia, CO | 12.1 mi W | Standard |
| 80130 | Littleton, CO | 12.2 mi N | Standard |
| 80124 | Lone Tree, CO | 12.5 mi N | Standard |
| 80125 | Littleton, CO | 13.2 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 80104 or measure the distance to another ZIP code.
How to address mail to 80104
123 MAIN ST
CASTLE ROCK CO 80104
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (80104-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Castle Rock, CO
All Castle Rock ZIP codes with population and income →
Questions
- What city is ZIP code 80104?
- 80104 is a Castle Rock, Colorado ZIP code.
- What county is 80104 in?
- ZIP code 80104 is in Douglas County, Colorado.
- What time zone is ZIP code 80104 in?
- 80104 is in the Mountain Time zone (America/Denver).
- What area code is 80104?
- Phone numbers in ZIP code 80104 use area codes 303, 720 and 983.
- What is the population of ZIP code 80104?
- About 38,479 people live in ZIP code 80104, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 80104?
- The median household income in 80104 is $134,335 a year, higher than 89% of Colorado ZIP codes.
- What ZIP codes are near 80104?
- The nearest ZIP codes to 80104 are 80109 (Castle Rock, 2.5 miles), 80108 (Castle Rock, 5.1 miles), 80116 (Franktown, 7 miles) and 80163 (Littleton, 7.6 miles).