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ZIP code

80109

Castle Rock, CO

STANDARD

80109 covers Castle Rock in Douglas County, with 27,795 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

27,795

Median household income

$148,417

Median home value

$648,900

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 80109. Methodology

ZIP code map of 80109

Census ZCTA boundary for ZIP 80109 in Castle Rock, Colorado
Census ZCTA boundary for ZIP 80109 in Castle Rock, Colorado. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 80109

Type

STANDARD

City

Castle Rock

County

Douglas County

Timezone

America/Denver

Area codes

303, 720, 983

Land area

26.0 sq mi

Water area

0.01 sq mi

Households

9,598

Median gross rent

$2,245

More enterprise fields

Timezone
America/Denver
Area Codes
303, 720, 983
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 80109. Not ACS. Methodology

People in 80109

Race

  • White22,459
  • Black or African American415
  • American Indian or Alaska Native137
  • Asian679
  • Native Hawaiian and Pacific Islander23
  • Other race640
  • Two or more races2,795

Hispanic or Latino (any race): 3,027

Age

  • Under 103,972
  • 10 to 194,813
  • 20 to 292,473
  • 30 to 393,697
  • 40 to 494,642
  • 50 to 593,598
  • 60 to 692,142
  • 70 to 791,277
  • 80 and older534

Income and housing in 80109

Poverty rate

3.6%

Median earnings

$63,640

Median household income

$148,417

Median home value

$648,900

Median gross rent

$2,245

Education

  • High school graduate98.2%
  • Bachelor's degree56.6%
  • Graduate degree17.8%

Places covering 80109

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

4.8% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 80109

IRS populationACS population
30,08015,040020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
200513,413
200614,043
200715,320
200816,058
200917,174
201018,199
201116,84718,699
201218,09620,230
201318,33120,850
201418,98621,470
201519,15222,390
201619,79423,310
201721,42723,920
201822,73425,070
201923,66526,140
202024,55425,900
202127,18726,270
202227,85226,360
202327,795

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 80109

12 nearest ZIP centroids (any distance)

  1. 80108Castle Rock5.9 miPop 35,485 · Income $178,670
  2. 80104Castle Rock6.9 miPop 36,461 · Income $131,359
  3. 80131Louviers8.9 miPop 258 · Income $82,500
  4. 80134Parker10.4 miPop 77,814 · Income $142,162
  5. 80130Littleton10.8 miPop 25,293 · Income $155,117
  6. 80124Lone Tree11.1 miPop 22,472 · Income $126,775
  7. 80125Littleton11.2 miPop 13,876 · Income $167,874
  8. 80116Franktown11.4 miPop 5,393 · Income $151,250
  9. 80126Littleton12.0 miPop 44,482 · Income $166,501
  10. 80118Larkspur12.7 miPop 5,950 · Income $153,368
  11. 80129Littleton13.2 miPop 29,495 · Income $136,915
  12. 80112Englewood14.1 miPop 36,687 · Income $107,504

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 80109, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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80109 Castle Rock, CO

Looking up ZIP codes within 2 miles of 80109 Castle Rock, CO, measured by centroid distance.

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ZIP code 80109 FAQ

What city is ZIP code 80109 in?
80109 is in Castle Rock, CO.
What county is 80109 in?
80109 is in Douglas County.
What is the median household income in 80109?
The median household income in 80109 is $148,417.
Which ZIP codes are near 80109?
Use the radius tool on this page to list ZIP codes within a chosen distance of 80109.