PlainZIP

Littleton, CO · standard

ZIP Code 80121

Arapahoe County, Colorado - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

17,853
920/sq mi
$142,056
Median income
$707,900
Median home value
66.2%
Bachelor's or higher

The verdict

Littleton pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.

Top 5%
household income, US ZIPs
Top 6%
home value, US ZIPs
920
people per sq mi
87%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 80121 against every reporting US ZIP.

ZIP code 80121 is a mid-sized community (a standard USPS delivery area) in Littleton, Arapahoe County, Colorado, home to 17,853 residents across 19.4 square miles, a density of 920 people per square mile, in the Denver time zone.

ZIP 80121 skews affluent, with a median household income of $142,056 (60% above the Colorado average), while per-capita income is $93,252. Poverty here runs at 4.0%, with unemployment measured at 4.0%. On housing, the median home value is $707,900 (46% above the state average) with median rent at $2,151 per month, and 87.1% of occupied units are owner-occupied.

This is a highly-educated ZIP: 66.2% of adults hold a bachelor's degree or higher, the median age is 47.8, and the average commute is 25 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Arapahoe County, so you can benchmark 80121 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 80121

Top 5 sectors by establishment count in Littleton, CO

Which industries have the most business establishments in ZIP 80121.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 80121, Littleton, CO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

17,853

Population

19.4

Area (sq mi)

920

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 80121?

47.8

Median Age

48.2%

Male

51.8%

Female

5.1%

Foreign-Born

White 87.1%
African American 1.0%
Asian 1.4%
American Indian or Alaska Native 0.5%
Native Hawaiian or Pacific Islander 0.6%
Two or More Ethnicities 8.6%
Hispanic or Latino 8.6%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$142,056

Median Household Income

+60% vs state

$93,252

Per Capita Income

4.0%

Poverty Rate

4.0%

Unemployment Rate

24.7 min

Mean Commute Time

How ZIP 80121 ranks nationally

Littleton, CO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$142,056 Top 5% higher than 95% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). This entry sits in this band. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 77.9%
Bachelor's Degree or Higher 66.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

7,497

Total Housing Units

7,270

Occupied Units

227

Vacant Units

2.44

Avg Household Size

Occupancy Type

Owner 87.1%
Renter 12.9%

$707,900

Median Home Value

+46% vs state

$2,151

Median Rent

1973

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+1.8%

YoY Change (2024)

314

HPI Index (2000 = 100)

+214%

Total Change Since 2000

Home values in ZIP 80121 have increased 1.8% over the past year (2024). Since 2000, this ZIP has seen +214% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.9% 225
2021 +13.9% 257
2022 +15.4% 296
2023 +3.9% 308
2024 +1.8% 314

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 473 business establishments in ZIP 80121, employing approximately 3,804 people with a combined annual payroll of $246,961,000.

473

Businesses

3,804

Employees

$247.0M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 79 16.7%
Retail trade 52 11.0%
Construction 51 10.8%
Real estate and rental and leasing 48 10.2%
Health care and social assistance 46 9.7%
Other services (except public administration) 46 9.7%
Finance and insurance 37 7.8%
Administrative and support and waste management and remediation services 32 6.8%
Accommodation and food services 29 6.1%
Wholesale trade 12 2.5%
Information 11 2.3%
Arts, entertainment, and recreation 11 2.3%
Transportation and warehousing 7 1.5%
Educational services 7 1.5%
Manufacturing 4 0.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 80121 vs 80122 →

ZIP 80121 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 80121 ranks #0 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 80121 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 80121 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
80122 Littleton, CO 29,783 2.1 mi
80113 Englewood, CO 20,562 2.2 mi
80120 Littleton, CO 28,435 3.2 mi
80111 Englewood, CO 28,948 3.9 mi
80210 Denver, CO 33,946 4.6 mi
80126 Littleton, CO 39,698 4.9 mi
80237 Denver, CO 17,569 3.4 mi
80222 Denver, CO 20,073 4.4 mi
80110 Englewood, CO 20,867 3.8 mi
80209 Denver, CO 21,526 6.6 mi

More ZIP Codes in Arapahoe County

80013 standard
Aurora, CO
Pop: 69,588
80015 standard
Aurora, CO
Pop: 62,432
80011 standard
Aurora, CO
Pop: 47,461
80012 standard
Aurora, CO
Pop: 46,665
80016 standard
Aurora, CO
Pop: 41,219
80010 standard
Aurora, CO
Pop: 39,728

Related Areas

Arapahoe County Littleton, CO Colorado

Frequently Asked Questions

What county is ZIP code 80121 in? ▼
ZIP code 80121 (Littleton) is located in Arapahoe County, Colorado. Arapahoe County contains multiple ZIP codes, see the full list at /counties/arapahoe-co.
What is the population of ZIP code 80121? ▼
ZIP code 80121 in Littleton, CO has a population of 17,853 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 80121? ▼
The median household income in ZIP 80121 is $142,056, which is 86% above the national average of $76,288.
What is the average home value in ZIP 80121? ▼
The median home value in ZIP 80121 is $707,900, which is 154% above the national average of $278,155.
What is the demographic makeup of ZIP 80121? ▼
The largest racial group in ZIP 80121 is White at 87.1%. Hispanic or Latino residents make up 8.6% of the population.
How many businesses are in ZIP code 80121? ▼
ZIP code 80121 has 473 business establishments employing approximately 3,804 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 80121? ▼
The top industries by establishment count in ZIP 80121 are: Professional, scientific, and technical services (79), Retail trade (52), Construction (51). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 80121? ▼
According to the FHFA House Price Index, home values in ZIP 80121 increased by 1.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 214%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 80121? ▼
In ZIP code 80121, 77.9% of residents aged 25+ have a high school diploma or higher, and 66.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 80121? ▼
The mean commute time for workers in ZIP code 80121 is 24.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 80121? ▼
In ZIP code 80121, approximately 87.1% of occupied housing units are owner-occupied and 12.9% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 80121? ▼
The poverty rate in ZIP code 80121 is 4.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.