ZIP Code 80121, Colorado
ZIP Code 80121 profile, demographic data, and geographic information.
ZCTA5 80121 is a 5-digit ZIP Code area located in Arapahoe County, Colorado. As of official census estimates, it has a reported population of 18,029. The land area covers 7.21 sq mi. [1]
Demographics & Population
| Demographic Metric | Estimate / Count | Margin of Error | Survey Period / Source |
|---|---|---|---|
| Total Population | 18,029 | ±979 | 2020-2024 / Census ACS 5-Year 2024 |
| Median Age | 47.8 yrs | ±3.1 | 2020-2024 / Census ACS 5-Year 2024 |
| Total Households | 7,270 | ±413 | 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 | 7,497 | ±417 |
| Occupied Housing Units | 7,270 | ±413 |
| Vacant Housing Units | 227 | ±112 |
| Median Home Value | $707,900 | ±$17,704 |
| Median Gross Rent | $2,151 | ±$361 |
Source: U.S. Census Bureau ACS 5-Year (2020-2024).
Economy & Workforce
| Economic Metric | Estimate / Value | Margin of Error |
|---|---|---|
| Median Household Income | $142,056 | ±$13,109 |
| Per Capita Income | $93,252 | ±$10,681 |
| Poverty Rate | 4% | ±1.1% |
| Population Below Poverty Level | 706 | ±206 |
| Unemployment Rate | 4% | ±1.9% |
| Civilian Labor Force, Employed | 8,812 | ±605 |
| Broadband Internet Rate | 93.6% | ±0.5% |
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: 666,918 (2024)
ID: 161307
|
County | Official County Government |
Contact: CHAIRMAN
5334 S PRINCE ST, LITTLETON CO 80120-1136
|
Education
Listing 10 local institutions (NCES 2024-2025)
External reference via K12Guides
| Institution | Type | Grades | Location |
|---|---|---|---|
| Alternative School Nearby | 09-12 | DENVER, CO | |
| Regular School Nearby | PK | AURORA, CO | |
| Alternative School Nearby | 09-12 | DENVER, CO | |
| Regular School Nearby | PK-08 | AURORA, CO | |
| Regular School Nearby | 09-12 | DENVER, CO | |
| Regular School Nearby | PK-06 | DENVER, CO | |
| Regular School Nearby | PK-05 | DENVER, CO | |
| Regular School Nearby | KG-08 | AURORA, CO | |
| Regular School Nearby | PK-06 | LITTLETON, CO | |
| Regular School Nearby | 09-12 | LAKEWOOD, 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 |
|---|---|---|---|---|
|
Platt College-Aurora
|
College | 2.9 mi away | 5660 Greenwood Plaza Blvd Suite 100 N, Greenwood Village, CO, 80111 |
3033695151
|
|
SOUTHGLENN PUBLIC LIBRARY
|
Library | 1.5 mi away | 6972 SOUTH VINE STREET, CENTENNIAL, CO, 80122 |
(303) 542-7279
|
|
Arapahoe Community College
|
College | 3.5 mi away | 5900 S. Santa Fe Dr., Littleton, CO, 80160-9002 |
3037974222
|
|
ARAPAHOE LIBRARY DISTRICT BOOKMOBILE
|
Library | 1.7 mi away | 5955 S HOLLY ST, CENTENNIAL, CO, 80121 |
(303) 542-7279
|
|
Colorado Media School
|
College Vocational | 3.5 mi away | 4380 S. Syracuse St. Suite 400, Denver, CO, 80237 |
3039377070
|
|
KOELBEL PUBLIC LIBRARY
|
Library | 1.7 mi away | 5955 SOUTH HOLLY STREET, CENTENNIAL, CO, 80121 |
(303) 542-7279
|
|
Denver Seminary
|
College | 3.7 mi away | 6399 S. Santa Fe Drive, Littleton, CO, 80120 |
3037612482
|
|
LITTLETON/BEMIS LIBRARY BOOKMOBILE
|
Library | 2.7 mi away | 6014 S. DATURA ST., LITTLETON, CO, 80120 |
(303) 795-3961
|
|
Iliff School of Theology
|
College | 4.5 mi away | 2323 E. Iliff Ave., Denver, CO, 80210-4798 |
3037441287
|
|
LITTLETON/BEMIS PUBLIC LIBRARY
|
Library | 2.7 mi away | 6014 S. DATURA ST., LITTLETON, CO, 80120 |
(303) 795-3961
|
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 MARSTON FLTR PLT, CO US, located 6.0 miles from ZCTA5 80121. Local microclimates, topography, and elevation may cause municipal conditions to differ.
| Month | High (°F) | Low (°F) | Mean (°F) | Precip (in) | Snow (in) |
|---|---|---|---|---|---|
| January | 45.8° | 19.3° | 32.6° | 0.48" | 6.3" |
| February | 46.5° | 20.3° | 33.4° | 0.67" | 6.2" |
| March | 54.6° | 28.1° | 41.3° | 1.19" | 5.4" |
| April | 60.1° | 34.5° | 47.3° | 2.07" | 4.1" |
| May | 69.0° | 43.8° | 56.4° | 2.73" | 0.8" |
| June | 80.8° | 53.4° | 67.1° | 1.87" | 0.0" |
| July | 86.4° | 59.5° | 73.0° | 2.05" | 0.0" |
| August | 85.0° | 57.5° | 71.3° | 1.85" | 0.0" |
| September | 77.2° | 48.7° | 63.0° | 1.26" | 0.0" |
| October | 64.2° | 36.7° | 50.4° | 1.04" | 1.7" |
| November | 53.4° | 27.7° | 40.6° | 0.74" | 3.7" |
| December | 45.4° | 20.2° | 32.8° | 0.61" | 5.9" |
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 |
|---|---|---|---|
| Cherry Hills Village city | City | 1.9 mi | — |
| Greenwood Village city | City | 2.3 mi | — |
| Englewood city | City | 3.3 mi | — |
| Littleton city | City | 3.8 mi | — |
| Holly Hills CDP | CDP | 4.3 mi | — |
| Sheridan city | City | 4.3 mi | — |
Sources & Data Provenance
- Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 80121. • Official Source Dataset →
- 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.
- 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.
- Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.