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ZIP Code 80109, Colorado

ZIP Code 80109 profile, demographic data, and geographic information.

ZCTA5 80109 is a 5-digit ZIP Code area located in Douglas County, Colorado. As of official census estimates, it has a reported population of 28,400. The land area covers 25.99 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 28,400 ±1,671 2020-2024 / Census ACS 5-Year 2024
Median Age 36.9 yrs ±1.9 2020-2024 / Census ACS 5-Year 2024
Total Households 9,728 ±566 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 9,873 ±567
Occupied Housing Units 9,728 ±566
Vacant Housing Units 145 ±170
Median Home Value $675,500 ±$15,584
Median Gross Rent $2,304 ±$141
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $155,025 ±$8,586
Per Capita Income $62,169 ±$4,069
Poverty Rate 3.3% ±1.7%
Population Below Poverty Level 910 ±476
Unemployment Rate 6.2% ±2.5%
Civilian Labor Force, Employed 15,291 ±968
Broadband Internet Rate 97.9% ±1.9%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 393,995 (2024)
ID: 207615
County Official County Government
Contact: ACCOUNTING MANAGER
100 3RD ST, CASTLE ROCK CO 80104

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-08 CASTLE ROCK, CO
Regular School Nearby PK-06 LITTLETON, CO
Regular School Nearby PK-05 AURORA, CO
Regular School Nearby PK-08 CASTLE PINES, CO
Regular School Nearby 09-12 CENTENNIAL, CO
Regular School Nearby PK-06 HIGHLANDS RANCH, CO
Regular School Nearby KG-12 LONE TREE, CO
Regular School Nearby PK-08 CASTLE ROCK, CO
Regular School Nearby PK-06 HIGHLANDS RANCH, CO
Regular School Nearby PK-08 HIGHLANDS RANCH, CO
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Stacey James Institute
College Vocational 12.9 mi away 16534 Keystone Boulevard, Unit C, Parker, CO, 80134-3358
3038101033
PHILIP & JERRY MILLER LIBRARY
Library 2.9 mi away 100 SOUTH WILCOX, CASTLE ROCK, CO, 80104
(303) 688-7700
Rocky Vista University
College 14.3 mi away 8401 S Chambers Road, Parker, CO, 80112
3033732008
CASTLE PINES LIBRARY
Library 7.1 mi away 360 VILLAGE SQUARE LANE, CASTLE ROCK, CO, 80108
(303) 791-7323
Platt College-Aurora
College 16.7 mi away 5660 Greenwood Plaza Blvd Suite 100 N, Greenwood Village, CO, 80111
3033695151
LOUVIERS LIBRARY
Library 8.8 mi away 78885 LOUVIERS BLVD, LOUVIERS, CO, 80131
(303) 791-7323
Denver Seminary
College 16.8 mi away 6399 S. Santa Fe Drive, Littleton, CO, 80120
3037612482
LONE TREE LIBRARY
Library 11.3 mi away 10055 LIBRARY WAY, LONE TREE, CO, 80124
(303) 799-4446
Arapahoe Community College
College 17.2 mi away 5900 S. Santa Fe Dr., Littleton, CO, 80160-9002
3037974222
NEIGHBORHOOD LIBRARY AT ROXBOROUGH
Library 11.6 mi away 8357 N. RAMPART RANGE RD. SUITE 200, LITTLETON, CO, 80125
(303) 871-7323
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at CASTLE ROCK, CO US, located 2.7 miles from ZCTA5 80109. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 45.6° 18.0° 31.8° 0.55" 8.0"
February 46.7° 19.9° 33.3° 0.70" 10.7"
March 53.8° 26.5° 40.2° 1.54" 10.7"
April 59.1° 32.5° 45.8° 2.08" 8.3"
May 68.4° 41.6° 55.0° 1.97" 1.1"
June 80.2° 50.5° 65.3° 2.20" 0.0"
July 85.7° 56.4° 71.1° 2.32" 0.0"
August 83.6° 54.7° 69.1° 2.52" 0.0"
September 76.7° 46.6° 61.7° 1.39" 0.4"
October 64.8° 34.6° 49.7° 0.85" 2.7"
November 53.9° 25.7° 39.8° 0.79" 6.7"
December 45.7° 18.0° 31.8° 0.69" 8.9"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Castle Rock town Town 3.4 mi —
Castle Pines Village CDP CDP 4.9 mi —
Sedalia CDP CDP 5.5 mi —
Castle Pines city City 6.7 mi —
Perry Park CDP CDP 8.2 mi —
Louviers CDP CDP 8.8 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 80109. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.