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 High-density area
- $142,056
- Median income Above-median income area
- $707,900
- Median home value Above-median home value
- 66.2%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 80121 (Littleton, CO) rose +1.8% from 2023 to 2024. The all-transactions index moved from 307.9 in 2023 to 313.6 in 2024 (2000 = 100).
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 average Colorado ZIP), while per-capita income is $93,252. The poverty rate is 4.0%, with unemployment at 4.0%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $707,900 (46% above the average Colorado ZIP), while 87.1% of occupied homes are owner-occupied and median rent is $2,151.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Arapahoe County, so 80121 can be compared with both its immediate and county-level context.
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.
- Professional, scientific, and technical services
Professional, scientific, and technical services
79 establishments
- Retail trade
Retail trade
52 establishments
- Construction
Construction
51 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
48 establishments
- Health care and social assistance
Health care and social assistance
46 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, 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
Who lives in ZIP 80121?
47.8
Median Age
48.2%
Male
51.8%
Female
5.1%
Foreign-Born
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 ZIP avg
$93,252
Per Capita Income
4.0%
Poverty Rate
4.0%
Unemployment Rate
24.7 min
Mean Commute Time
How ZIP 80121 ranks among Colorado ZIPs
Littleton, CO household income vs. every Colorado ZIP code
Median household income among 469 reporting Colorado ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$142,056 Top 7% higher than 93% of 469 Colorado ZIPs
Each bar is a $20K-wide band; taller bars hold more Colorado 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
7,497housing units
7,497
Total Housing Units
7,270
Occupied Units
227
Vacant Units
2.44
Avg Household Size
Occupancy Type
$707,900
Median Home Value
+46% vs state ZIP avg
$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.
- 80126
Littleton (80126)
39,698 residents
- 80210
Denver (80210)
33,946 residents
- 80122
Littleton (80122)
29,783 residents
- 80111
Englewood (80111)
28,948 residents
- 80120
Littleton (80120)
28,435 residents
- 80209
Denver (80209)
21,526 residents
- 80110
Englewood (80110)
20,867 residents
- 80113
Englewood (80113)
20,562 residents
- 80222
Denver (80222)
20,073 residents
What this shows Among its immediate neighbors, ZIP 80121 ranks #0 by population - useful context the national average alone can't give.
ZIP 80121 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 80126
Littleton (80126)
$169,882 median income
- 80121
Littleton (80121)
$142,056 median income
- 80111
Englewood (80111)
$135,995 median income
- 80122
Littleton (80122)
$128,691 median income
- 80210
Denver (80210)
$127,270 median income
- 80209
Denver (80209)
$125,733 median income
- 80113
Englewood (80113)
$96,590 median income
- 80120
Littleton (80120)
$94,296 median income
- 80222
Denver (80222)
$86,472 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 80121, both outside CO so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (17,853 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Arapahoe County
Related Areas
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.
Related
Take this with you
What to do with ZIP 80121's numbers, next.
- See how ZIP 80121 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Littleton, CO ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.