Zip Code 80120
Littleton, Colorado — Arapahoe County
📍 ZIP code 80120 is in Littleton, Arapahoe County, Colorado.
ZIP code 80120 is located in Littleton, Arapahoe County, Colorado. It is a zip code in the Mountain (MST/MDT) Time Zone with an estimated population of 29,992. The area code for ZIP code 80120 is 303.
Quick Answer
Zip code 80120 is in Littleton, Colorado (Arapahoe County). It has a population of 29,992, median household income of $91,162, and median home value of $596,400.
Population
29,992
Income
$91,162
Home Value
$596,400
Climate
86°F / 19°F
About Zip Code 80120
Zip code 80120 is located in Littleton, Colorado, within Arapahoe County. Home to approximately 29,992 residents, this area sits at an elevation of 5414 ft and falls within the Mountain (MST/MDT) timezone. The local area code is 303.
The median household income is $91,162 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $596,400, and the cost of living index is 162 (62% above the national average of 100).
Summers average a high of 86°F while winters drop to 19°F. The area receives about 17 in of rain and 34 in of snow annually. The zip code covers 8.3 square miles of land area and 0.4 square miles of water.
Key Statistics
29,992
$91,162
$596,400
Mountain (MST/MDT)
303
5414 ft
8.3 sq mi
42
14,252
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Compare With Nearby Zip Codes
| Metric | 80120 | 80122 | 80123 | 80121 | 80110 | 80128 |
|---|---|---|---|---|---|---|
| City | Littleton, CO | Centennial, CO | Littleton, CO | Centennial, CO | Englewood, CO | Littleton, CO |
| Population | 29,992 | 31,575 | 45,364 | 17,929 | 23,775 | 36,859 |
| Median Income | $91,162 | $120,181 | $106,731 | $136,287 | $82,037 | $119,827 |
| Home Value | $596,400 | $599,400 | $581,800 | $684,900 | $455,600 | $554,100 |
| Cost of Living | 162 | 185 | 166 | 208 | 135 | 171 |
| Median Age | 42 | 43.1 | 40.9 | 48.6 | 36.1 | 39.7 |
Cost of Living
100 = National Average. Littleton's cost of living is 62% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
6.5x
Demographics
Zip code 80120 has a population of 29,992 people with a median age of 42. There are 14,252 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Littleton (80120) population trend from 2010 to 2024
↑ 14.1%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
19°F
17 in
34 in
Littleton experiences warm summers with average highs around 86°F. Winters are cold with lows averaging 19°F. With 34 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$596,400
Median Household Income
$91,162
With 14,252 housing units across 8.3 square miles, 80120 has a housing density of 1,717 units per square mile. The home price-to-income ratio is 6.5x.
Location & Geography
Latitude
39.5938°
Longitude
-105.0115°
Land Area
8.3 sq mi
Water Area
0.4 sq mi
Nearby Zip Codes
Zip codes closest to 80120 (Littleton, CO) with distances:
All Zip Codes in Littleton, CO
Other zip codes serving Littleton:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 80120's $91,162. A way to compare Littleton to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 80120 (Littleton, CO). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Littleton, Colorado?
Littleton, Colorado uses zip code 80120 along with 4 other zip codes.
What county is zip code 80120 in?
Zip code 80120 is located in Arapahoe County, Colorado.
What is the population of zip code 80120?
The population of zip code 80120 is 29,992 with a median age of 42.
Is 80120 in Littleton, Colorado?
Yes, zip code 80120 is in Littleton, Arapahoe County, Colorado. The area code is 303.
Frequently Asked Questions
What city is zip code 80120 in?
Zip code 80120 is in Littleton, Colorado. It is part of Arapahoe County and uses the Mountain (MST/MDT) timezone.
What is zip code 80120?
Zip code 80120 is a U.S. postal code in Littleton, Colorado (Arapahoe County). It has a population of 29,992 and covers 8.3 square miles.
What is the population of zip code 80120?
The population of zip code 80120 (Littleton, CO) is 29,992 with a median age of 42. There are approximately 14,252 housing units in this area.
What is the median income in zip code 80120?
The median household income in zip code 80120 (Littleton, CO) is $91,162 per year. The cost of living index is 162 (100 = national average).
What is the average home price in zip code 80120?
The median home value in zip code 80120 (Littleton, CO) is $596,400. The cost of living index is 162 compared to the national average of 100.
What county is zip code 80120 in?
Zip code 80120 is located in Arapahoe County, Colorado. The primary city is Littleton.
What is the area code for zip code 80120?
Zip code 80120 in Littleton, CO uses area code 303. It is located in the Mountain (MST/MDT) timezone.
Is zip code 80120 a good place to live?
Zip code 80120 (Littleton, CO) has a cost of living index of 162 (100 = national average), a median household income of $91,162, and median home values of $596,400. The median age is 42. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 80120?
The cost of living index for zip code 80120 (Littleton, CO) is 162, where 100 represents the national average. This area is above the national average. Median home value: $596,400.
What schools serve zip code 80120?
Zip code 80120 in Littleton, Colorado is served by the local school district of Arapahoe County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.