Zip code 80109: Castle Rock, Colorado

Q: What city is zip code 80109?

80109 is assigned to Castle Rock, Colorado. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 80109 in?

80109 is in Douglas County, Colorado.

Q: What is the population of 80109?

About 28,400 people live in 80109, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 80109?

The median household income in 80109 is $155,025.

Q: What zip codes are near 80109?

The closest zip codes to 80109 are 80163, 80108, 80104, 80131, 80134.

Residential delivery areaDouglas CountyMountain Time

Population

28,400

Median household income

$155K

U.S. $81K

Median home value

$676K

U.S. $333K

Median rent

$2,304/mo

U.S. $1,413

Median age

36.9

U.S. 38.9

Land area

26 sq mi

1,093 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 80109

80109 is a suburban zip code in Castle Rock, Colorado (Douglas County), covering 26 sq mi of land. About 28,400 people live here, or 1,093 per square mile. The median resident is 36.9 years old, compared with 38.9 nationally.

The median household earns $155,025 a year, about 1.9× the national median of $80,734. 3.3% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $675,500, or 4.4 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 81% of occupied homes are lived in by their owners, and renters pay a median of $2,304 a month.

58% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 26.8 minutes each way, and 32% of workers work from home. The most common jobs among working residents are in management; sales; and business and finance.

How 80109 compares

Sorted from highest to lowest national percentile

Broadband access97.9%
97th
StrengthU.S. 91% · CO 93.5%53rd of 482 in CO
Work from home31.7%
96th
U.S. 15.1% · CO 21%57th of 483 in CO
Median household income$155,025
95th
StrengthU.S. $80,734 · CO $95,47020th of 460 in CO
Median gross rent$2,304
92nd
U.S. $1,413 · CO $1,76129th of 400 in CO
Median earnings per worker$77,808
92nd
StrengthU.S. $49,666 · CO $56,47341st of 478 in CO
Rent-burdened renters64.1%
91st
WeaknessU.S. 51.1% · CO 52.9%76th of 447 in CO
Tech workers6.9%
90th
U.S. 3.8% · CO 5.2%76th of 483 in CO
Residents under 1827.3%
88th
U.S. 22% · CO 21%69th of 484 in CO
Per capita income$62,169
87th
StrengthU.S. $44,673 · CO $52,636103rd of 483 in CO
Bachelor's degree or higher57.8%
87th
StrengthU.S. 35.7% · CO 45.7%96th of 484 in CO
Median home value$675,500
86th
U.S. $332,700 · CO $539,40092nd of 461 in CO
Homeownership rate81.4%
81st
StrengthU.S. 65.2% · CO 66.2%167th of 482 in CO
Unemployment rate6.2%
71st
U.S. 5.2% · CO 4.6%92nd of 483 in CO
Veterans6.8%
63rd
U.S. 6.2% · CO 7.5%261st of 484 in CO
Average commute26.8 min
55th
U.S. 26.4 min · CO 25.2 min176th of 450 in CO
Self-employed workers9.5%
53rd
U.S. 10% · CO 11.3%364th of 483 in CO
Population28,400
46th
U.S. 334,922,499 · CO 5,862,18987th of 484 in CO
Population density1,093/sq mi
45th
U.S. 95/sq mi · CO 57/sq mi116th of 484 in CO
Uninsured rate6%
43rd
U.S. 8.4% · CO 7.7%283rd of 481 in CO
Median age36.9
34th
U.S. 38.9 · CO 37.7352nd of 484 in CO
Diversity index36.1
31st
U.S. 61.4 · CO 52.5268th of 484 in CO
Foreign-born residents5.4%
31st
U.S. 14.1% · CO 9.8%223rd of 484 in CO
Government workers10.3%
21st
U.S. 14.5% · CO 14.5%408th of 483 in CO
Healthcare workers7.1%
16th
U.S. 9.7% · CO 8.8%290th of 483 in CO
Residents 65 and older9.9%
8th
U.S. 17.2% · CO 15.6%434th of 484 in CO
Income inequality (Gini)0.369
6th
StrengthU.S. 0.483 · CO 0.459388th of 480 in CO
Poverty rate3.3%
3rd
StrengthU.S. 12.5% · CO 9.4%413th of 482 in CO
Housing vacancy1.5%
2nd
U.S. 10.1% · CO 8.3%449th of 482 in CO

Measure	80109	Douglas	CO	U.S.	National percentile	Rank in CO
Broadband accessStrength	97.9%	97.9%	93.5%	91%	97th	53rd of 482
Work from home	31.7%	30.5%	21%	15.1%	96th	57th of 483
Median household incomeStrength	$155,025	$149,594	$95,470	$80,734	95th	20th of 460
Median gross rent	$2,304	$2,193	$1,761	$1,413	92nd	29th of 400
Median earnings per workerStrength	$77,808	$78,137	$56,473	$49,666	92nd	41st of 478
Rent-burdened rentersWeakness	64.1%	51.3%	52.9%	51.1%	91st	76th of 447
Tech workers	6.9%	8.3%	5.2%	3.8%	90th	76th of 483
Residents under 18	27.3%	23.4%	21%	22%	88th	69th of 484
Per capita incomeStrength	$62,169	$69,608	$52,636	$44,673	87th	103rd of 483
Bachelor's degree or higherStrength	57.8%	62%	45.7%	35.7%	87th	96th of 484
Median home value	$675,500	$713,600	$539,400	$332,700	86th	92nd of 461
Homeownership rateStrength	81.4%	77.4%	66.2%	65.2%	81st	167th of 482
Unemployment rate	6.2%	3.6%	4.6%	5.2%	71st	92nd of 483
Veterans	6.8%	7.2%	7.5%	6.2%	63rd	261st of 484
Average commute	26.8 min	27.1 min	25.2 min	26.4 min	55th	176th of 450
Self-employed workers	9.5%	10.9%	11.3%	10%	53rd	364th of 483
Population	28,400	377,150	5,862,189	334,922,499	46th	87th of 484
Population density	1,093/sq mi	449/sq mi	57/sq mi	95/sq mi	45th	116th of 484
Uninsured rate	6%	3.9%	7.7%	8.4%	43rd	283rd of 481
Median age	36.9	39.6	37.7	38.9	34th	352nd of 484
Diversity index	36.1	39	52.5	61.4	31st	268th of 484
Foreign-born residents	5.4%	8.4%	9.8%	14.1%	31st	223rd of 484
Government workers	10.3%	11.9%	14.5%	14.5%	21st	408th of 483
Healthcare workers	7.1%	7.6%	8.8%	9.7%	16th	290th of 483
Residents 65 and older	9.9%	13.9%	15.6%	17.2%	8th	434th of 484
Income inequality (Gini)Strength	0.369	0.406	0.459	0.483	6th	388th of 480
Poverty rateStrength	3.3%	3.8%	9.4%	12.5%	3rd	413th of 482
Housing vacancy	1.5%	3.1%	8.3%	10.1%	2nd	449th of 482

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

21%

5–17

18–24

11%

25–34

16%

35–44

15%

45–54

12%

55–64

65–74

75+

Median age

36.9

Under 18

27.3%

65 and over

9.9%

Race and ethnicity

White79%
Black1.0%
Hispanic11%
Asian2%
Native American0.0%
Pacific Islander0.2%
Other0.9%
Multiracial6%

Diversity index

36.1

U.S. 61.4

Foreign-born

5.4%

U.S. 14.1%

Born in state

36.1%

Language spoken at home (households)

English only

88%

Spanish

Other Indo-European

Asian / Pacific

Other

0.5%

Households

Households: 9,728
Average household size: 2.9
Family households: 77.6%
Married couples: 65.5%
Living alone: 18.2%
Veterans (of adults): 6.8%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

$75–100k

$100–150k

21%

$150–200k

18%

$200k+

35%

Median household income

80109

$155,025

Douglas Co.

$149,594

Colorado

$95,470

United States

$80,734

Per capita income

$62,169

U.S. $44,673

Poverty rate

3.3%

U.S. 12.5%

Households earning $150K+

53.2%

U.S. 23%

Income inequality (Gini)

0.369

U.S. 0.483

Housing

Median home value

80109

$675,500

Douglas Co.

$713,600

Colorado

$539,400

United States

$332,700

Median gross rent

80109

$2,304

Douglas Co.

$2,193

Colorado

$1,761

United States

$1,413

Types of housing

Single-family

88%

2–4 units

5–19 units

20+ units

Mobile home

0.8%

Boat, RV, van

Housing units: 9,873
Owner-occupied: 81.4%
Vacant: 1.5%
Median year built: 2007
Median rooms: 7.6
Renters paying 30%+ of income: 64.1%
Renters paying 50%+ of income: 27.7%
Home value to income: 4.4× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

61%

Carpooled

Transit

0.3%

Walked

Bicycle

Worked from home

32%

Other

Commute time (one way)

<10 min

15%

10–19

23%

20–29

23%

30–44

19%

45–59

12%

60+

Average commute

26.8 min

U.S. 26.4 min

Unemployment

6.2%

U.S. 5.2%

In labor force

75.2%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

20%

Sales

14%

Business and finance

10%

Office and admin

Healthcare

Computer and math

Education

Food service

Cleaning and personal care

Engineering and science

Construction and repair

Arts, media and sports

Production

Legal and social services

Police and fire

Transportation and moving

Farming, fishing and forestry

Industries

Professional and technical services

16%

Health care and social assistance

12%

Finance, insurance and real estate

10%

Retail

Education

Manufacturing

Restaurants and hotels

Construction

Public administration

Information

Other services

Admin, support and management

Arts and recreation

Transportation, warehousing and utilities

Wholesale

Agriculture and mining

Median earnings per worker

$77,808

U.S. $49,666

Self-employed

9.5%

U.S. 10%

Government workers

10.3%

U.S. 14.5%

Nonprofit workers

9.1%

U.S. 8.8%

Median earnings by type of work

Type of work	80109	U.S.
Management, business, science and arts	$102,278	$74,888
Service	$32,289	$26,804
Sales and office	$60,560	$40,476
Construction and maintenance	$55,833	$49,199
Production and transportation	$51,250	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

12%

Some college

22%

Associate's

Bachelor's

39%

Graduate

19%

High school graduate or higher: 98.3%
Bachelor's degree or higher: 57.8%
Graduate or professional degree: 18.6%
Households with broadband: 97.9%
Cable, fiber or DSL: 91.1%
No internet access: 0.9%
Without health insurance: 6%
Limited-English households: 0.5%

Geography

City (USPS): Castle Rock
State: Colorado
County: Douglas County
Center point: 39.3723° N, 104.9121° W
Land area: 26 sq mi
Water area: under 0.1 sq mi
Time zone: Mountain Time (UTC-7, UTC-6 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Castle Rock49% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 80109

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
80163	Littleton, CO · PO box	4.7 mi	—	—	—
80108	Castle Rock, CO	5.9 mi	36,730	$181,049	$881,700
80104	Castle Rock, CO	6.9 mi	38,479	$134,335	$624,200
80131	Louviers, CO	8.9 mi	276	$107,250	$427,500
80134	Parker, CO	10 mi	80,302	$146,778	$677,700
80130	Littleton, CO	11 mi	24,719	$158,741	$691,800
80124	Lone Tree, CO	11 mi	22,555	$129,858	$773,900
80125	Littleton, CO	11 mi	15,630	$179,983	$762,200
80116	Franktown, CO	11 mi	5,132	$146,000	$960,400
80126	Littleton, CO	12 mi	44,882	$169,882	$782,000
80118	Larkspur, CO	13 mi	5,632	$158,155	$886,900
80129	Littleton, CO	13 mi	30,223	$141,667	$663,800

Zip codes like 80109 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 80109

What city is zip code 80109?

80109 is assigned to Castle Rock, Colorado. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 80109 in?

80109 is in Douglas County, Colorado.

What is the population of 80109?

About 28,400 people live in 80109, according to the Census Bureau's American Community Survey.

What time zone is 80109 in?

80109 is in Mountain Time.

What is the median household income in 80109?

The median household income in 80109 is $155,025.

What zip codes are near 80109?

The closest zip codes to 80109 are 80163, 80108, 80104, 80131, 80134.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 80109, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.