Postal Codes

80121 ZIP Code

Advertisement

English Español

ZIP code 80121 covers Littleton, Colorado, with a population of about 17,929 and a median household income of $136,287.

Population
17,9292,486 per square mile
Median age
48.69.9 points above the US average
Median household income
$136,2871.5× the Colorado median
Poverty rate
4.3%8.1 points below the US average
Typical home value
$690,462up 7.4% in five years
Median rent
$1,9451.1× the Colorado median
Degree or higher
63.6%28.6 points above the US average
Homeownership
86.2%21.2 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
483

Where 80121 is

Littleton, Colorado — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population17,929
Median age48.6
Family households69.7%
Born outside the US4.4%
Speaks a language other than English at home4.6%
White (non-Hispanic)85%
Black (non-Hispanic)1.6%
Asian (non-Hispanic)1.5%
Hispanic or Latino7.4%
Veterans6.5%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$136,287
Income per person$89,480
Poverty rate4.3%
Households on SNAP or cash assistance4.2%

Household income distribution

Under $10k3.0%
$10–15k0.9%
$15–20k1.2%
$20–25k1.5%
$25–30k1.9%
$30–35k2.1%
$35–40k3.8%
$40–45k1.9%
$45–50k2.3%
$50–60k3.5%
$60–75k5.3%
$75–100k10.0%
$100–125k9.0%
$125–150k7.4%
$150–200k12.2%
$200k or more33.8%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed9,190
Mean adjusted gross income$268,233
Returns declaring $200,000 or more22.6%
Returns, under $25k19.2%
Returns, $25k–$50k13.7%
Returns, $50k–$75k12.0%
Returns, $75k–$100k9.7%
Returns, $100k–$200k22.9%
Returns, $200k or more22.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$684,900
Median gross rent$1,945
Rent as a share of household income33.2%
Owner-occupied86.2%
Vacant homes2.8%
Median year built1972

What the homes are

Detached house84.6%
Attached house5.6%
2 to 4 units0.3%
5 to 19 units2.5%
20 or more units6.2%
Mobile home0.7%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$690,462as of 2026-07
Typical home value, 1 yeardown 2.2%
Typical home value, 5 yearsup 7.4%
Typical home value, 10 yearsup 58.1%
Typical asking rent$2,418as of 2026-07
Typical asking rent, 1 yearup 1.2%
Typical home value since 2000
200020132026$735,784$261,641

$261,641 in 2000 to $690,462 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.5%
Bachelor's degree or higher63.6%
High school diploma or higher98.6%
Works from home25.8%
Drives to work alone67.7%
Takes public transport1.1%
Commutes 45 minutes or more13.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity23.2% 10.2 pts below the national average of 33.4%
Diagnosed diabetes8.1% 3.9 pts below the national average of 12%
Currently smokes7.9% 5.3 pts below the national average of 13.2%
High blood pressure30.2% 3.9 pts below the national average of 34.1%
Fair or poor general health12.2% 8.1 pts below the national average of 20.3%
No health insurance (18–64)6.7% 4.6 pts below the national average of 11.3%
Depression21.2% 0.7 pts below the national average of 21.9%
No leisure-time physical activity14.3% 11.1 pts below the national average of 25.4%
Arthritis27% 1.9 pts above the national average of 25.1%
Binge drinking17.3% 1.3 pts above the national average of 16%
Taking blood pressure medication76% 1.3 pts above the national average of 74.7%
Cancer (non-skin)11.6% 3.9 pts above the national average of 7.7%
Current asthma10.1% same as the national average of 10.4%
Coronary heart disease5.8% same as the national average of 6.2%
Routine check-up in past year74.4% 2.3 pts below the national average of 76.7%
Cholesterol screening89.9% 4 pts above the national average of 85.9%
Cognitive disability10.3% 4.5 pts below the national average of 14.8%
Colorectal screening69.4% 5.1 pts above the national average of 64.3%
COPD4.9% 1.7 pts below the national average of 6.6%
Visited a dentist72.8% 11.5 pts above the national average of 61.3%
Any disability23.7% 7 pts below the national average of 30.7%
Hearing disability7.2% 0.5 pts above the national average of 6.7%
High cholesterol34% 2.2 pts below the national average of 36.2%
Independent living disability5.3% 3.1 pts below the national average of 8.4%
Mammography use74.2% 1.7 pts below the national average of 75.9%
Poor mental health (14+ days)13.2% 3.6 pts below the national average of 16.8%
Mobility disability9.3% 4.7 pts below the national average of 14%
Poor physical health (14+ days)10.7% 2.8 pts below the national average of 13.5%
Self-care disability2.4% 1.6 pts below the national average of 4%
Sleeps under 7 hours27.7% 8.7 pts below the national average of 36.4%
Stroke2.9% 0.5 pts below the national average of 3.4%
All natural teeth lost6.4% 6.6 pts below the national average of 13%
Vision disability3.2% 2.4 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments483
People employed3,851
Annual payroll$244,474,000
Advertisement
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 41.8% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 10 census tracts this ZIP code covers
Expected annual loss47.3 out of 100
Community resilience38.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hail98.7Very High at its worst in this ZIP code
Tornado66.8Relatively High at its worst in this ZIP code
Lightning65.6Relatively High at its worst in this ZIP code
Strong wind54.8Relatively Moderate at its worst in this ZIP code
Wildfire54.3Very Low at its worst in this ZIP code
Volcanic activity53.8Very Low at its worst in this ZIP code
Landslide53.4Very Low at its worst in this ZIP code
Earthquake51.8Relatively Low at its worst in this ZIP code
Winter weather51.3Relatively Moderate at its worst in this ZIP code
Cold wave46.1Relatively Moderate at its worst in this ZIP code
River flooding37.4Relatively High at its worst in this ZIP code
Heat wave6.5Relatively Low at its worst in this ZIP code
Ice storm1.2Very Low at its worst in this ZIP code
Compared with Colorado and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPColoradoUnited States
Median household income$136,287$92,470$78,538
Income per person$89,480$50,489$43,289
Poverty rate4.3%9.4%12.4%
Median home value$684,900$502,200$303,400
Median gross rent$1,945$1,693$1,348
Homeownership86.2%66.3%65%
Bachelor's degree or higher63.6%44.7%35%
Unemployment rate3.5%4.5%5.2%
Works from home25.8%18.8%13.5%
Born outside the US4.4%9.6%13.9%
Median age48.637.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationMARSTON FLTR PLT, CO US9.7 km away
Rain in a year17 in
Snow in a year34 in

Average high and low by month

January45.8°F / 19.3°F0.48 in rain, 6.3 in snow
February46.5°F / 20.3°F0.67 in rain, 6.2 in snow
March54.6°F / 28.1°F1.19 in rain, 5.4 in snow
April60.1°F / 34.5°F2.07 in rain, 4.1 in snow
May69°F / 43.8°F2.73 in rain, 0.8 in snow
June80.8°F / 53.4°F1.87 in rain
July86.4°F / 59.5°F2.05 in rain
August85°F / 57.5°F1.85 in rain
September77.2°F / 48.7°F1.26 in rain
October64.2°F / 36.7°F1.04 in rain, 1.7 in snow
November53.4°F / 27.7°F0.74 in rain, 3.7 in snow
December45.4°F / 20.2°F0.61 in rain, 5.9 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket5% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Littleton School District 683.6% of this ZIP code's land area
Cherry Creek School District 516.4% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability17more vulnerable than 17% of US census tracts
Socioeconomic status13more vulnerable than 13% of US census tracts
Household characteristics38more vulnerable than 38% of US census tracts
Racial and ethnic minority status26more vulnerable than 26% of US census tracts
Housing type and transport28more vulnerable than 28% of US census tracts
Walkability9.7 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

80122 Littleton, CO3.3 km away
80113 Englewood, CO3.3 km away
80120 Littleton, CO4.6 km away
80150 Englewood, CO5 km away
80151 Englewood, CO5 km away
80155 Englewood, CO5 km away
80160 Littleton, CO5.4 km away
80161 Littleton, CO5.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Arapahoe County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area7.21 sq mi
Water area0.01 sq mi
Population density2,486 people per sq mi
Latitude, longitude39.6111, -104.9532

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

Advertisement