80120 ZIP Code — Littleton, CO

Arapahoe County, Colorado

ZIP code 80120 is located in Littleton, Colorado, within Arapahoe County. It covers approximately 8.37 square miles and serves a population of 30,421 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 303/720.

About ZIP code 80120

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 1980s, giving the area an established character. Median home value is $549,300. Owner-occupancy sits near the national average at 59%.

The gap between median ($82,655) and mean household income suggests income inequality — a small number of higher earners pull the average up. 31% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

Educational attainment is high — 52% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 80120 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

30,421

population

8.37

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

80120 ZIP code map

Cities in ZIP code 80120

Below are the cities the US Postal Service accepts for ZIP code 80120. Using any city not on this list may result in mail delivery delays.

City	Status
Littleton	Preferred

Nearby ZIP codes

80166 Littleton (1.1 mi) 80165 Littleton (1.1 mi) 80123 Littleton (2.8 mi) 80123 Littleton (2.8 mi) 80121 Littleton (3.3 mi) 80122 Littleton (3.4 mi) 80110 Englewood (3.6 mi) 80236 Denver (3.7 mi) 80129 Littleton (3.8 mi) 80128 Littleton (4.1 mi) 80113 Englewood (4.4 mi) 80235 Denver (5.4 mi)

Demographics updated 05/2026

Population
Total population	30,421
Population density	3,635 / sq mi
State FIPS	08
County FIPS	005

Geography
Land area	8.37 sq mi
Water area	0.40 sq mi
Latitude	39.5979
Longitude	-105.0147
Timezone	Mountain (MT)
Area code	303/720

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.9%	30.7%	32.5%
$50k – $100k	27.4%	32.3%	31.0%
$100k – $200k	25.1%	27.1%	26.9%
Over $200k	9.7%	9.9%	9.6%

Demographics & statistics

30,421

Population

3,635

People per sq mi

41.6

Median age

$82,655

Median household income

$52,233

Per capita income

$549,300

Median home value

$1,433

Median monthly rent

59.0%

Home ownership

8.8%

Poverty rate

4.0%

Unemployment

8,749

Housing units

52.3%

Bachelor's or higher

Age distribution

Male Female

580

Under 5

586

900

5–9

910

653

10–14

659

652

15–19

658

737

20–24

745

2,592

25–34

2,619

1,987

35–44

2,008

1,584

45–54

1,600

1,072

55–59

1,082

1,149

60–64

1,161

1,871

65–74

1,889

839

75–84

847

518

85+

523

← Male

Female →

Age summary

Group	Count	%
Under 18	5,059	16.6%
18 and over	25,362	83.4%
65 and over	6,487	21.3%
Median age	41.6 years

Race & ethnicity

White 79.9%

Hispanic or Latino 6.6%

Two or more races 5.7%

Other race 4.1%

Asian 2.2%

Black or African American 0.9%

American Indian / Alaska Native 0.6%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	26,017	79.9%
Hispanic or Latino	2,134	6.6%
Two or more races	1,852	5.7%
Other race	1,323	4.1%
Asian	700	2.2%
Black or African American	295	0.9%
American Indian / Alaska Native	190	0.6%
Native Hawaiian / Pacific Islander	44	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	37.9%	30.7%	32.5%
$50k – $100k	27.4%	32.3%	31.0%
$100k – $200k	25.1%	27.1%	26.9%
Over $200k	9.7%	9.9%	9.6%

Under $10k 5.5%

$10k–$15k 3.0%

$15k–$25k 6.1%

$25k–$35k 8.1%

$35k–$50k 8.7%

$50k–$75k 15.2%

$75k–$100k 12.3%

$100k–$150k 17.6%

$150k–$200k 10.6%

$200k+ 12.8%

Range	% of households
Under $10k	5.5%
$10k–$15k	3.0%
$15k–$25k	6.1%
$25k–$35k	8.1%
$35k–$50k	8.7%
$50k–$75k	15.2%
$75k–$100k	12.3%
$100k–$150k	17.6%
$150k–$200k	10.6%
$200k+	12.8%
Median income	$82,655

Housing

Home values

Under $50k 2.2%

$50k–$100k 1.9%

$100k–$150k 1.5%

$150k–$200k 0.2%

$200k–$300k 1.5%

$300k–$500k 34.5%

$500k–$1M 53.0%

$1M+ 5.2%

Housing overview

Metric	Value
Median home value	$549,300
Median rent / month	$1,433
Owner occupied	59.0%
Renter occupied	41.0%
Vacant	4.4%
Single-family detached	50.6%
Large apartment buildings	20.2%
Mobile homes	2.2%
Median rooms	5.8
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	0.0%
2010–2019	5.6%
2000–2009	5.6%
1990–1999	11.3%
1980–1989	20.7%
1970–1979	17.6%
1960–1969	13.7%
1950–1959	17.6%
1940–1949	2.6%
1939 or earlier	5.2%

Bedrooms

Size	% of units
No bedroom (studio)	3.4%
1 bedroom	19.8%
2 bedrooms	23.9%
3 bedrooms	23.5%
4 bedrooms	17.7%
5+ bedrooms	11.7%

Vehicles per household

Vehicles	% of households
No vehicle	7.8%
1 vehicle	35.9%
2 vehicles	38.1%
3 or more	18.1%

Heating fuel

Fuel type	%
Utility gas	70.3%
Electricity	27.0%
Propane / LP gas	0.3%
Wood	0.2%
Solar	0.3%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	5,790	42.1%
Cohabiting couple	1,036	7.5%
Male householder, no spouse	3,291	23.9%
Female householder, no spouse	3,638	26.4%
Households with children under 18	2,794	20.3%
Households with seniors (65+)	4,630	33.7%
Average household size	2.17

Marital status

Status	Male	Female
Never married	34.4%	29.1%
Married	47.5%	46.0%
Separated	0.5%	1.2%
Widowed	3.5%	8.4%
Divorced	14.2%	15.2%

Education

Less than 9th grade 1.5%

Some HS, no diploma 2.3%

HS graduate 17.3%

Some college, no degree 19.9%

Associate's degree 6.6%

Bachelor's degree 32.5%

Graduate / professional 19.9%

Metric	%
HS diploma or higher	96.2%
Bachelor's or higher	52.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	403	7.3%
Kindergarten	356	6.5%
Elementary school	2,281	41.4%
High school	920	16.7%
College / grad school	1,552	28.2%

Employment

Industry of employment

Education & healthcare 19.6%

Professional & management 14.8%

Arts, food & hospitality 9.8%

Construction 9.4%

Retail trade 9.3%

Manufacturing 8.6%

Finance & real estate 7.7%

Other services 6.5%

Public administration 4.5%

Transportation & utilities 3.7%

Information 2.7%

Wholesale trade 1.9%

Agriculture & mining 1.4%

Occupation

Category	%
Management, business & arts	50.0%
Service	14.1%
Sales & office	19.3%
Natural resources & construction	7.6%
Production & transportation	8.9%

Employment type

Type	%
Private sector	83.3%
Government	10.0%
Self-employed	6.6%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	65.5%
Carpool	4.3%
Public transit	5.2%
Walk	3.7%
Work from home	19.0%
Other means	2.2%
Avg commute (minutes)	27.4

Poverty

All people 8.8%

Under 18 years 6.4%

18 and over 9.3%

Married-couple families 2.5%

Female-led households 17.3%

Income support

Source	% of households
Social Security	31.2%
Retirement income	22.2%
Supplemental Security	2.5%
Cash public assistance	1.8%
Food stamps / SNAP	7.9%

Health indicators

Condition	%
Obesity	23.9%
High blood pressure	28.9%
High cholesterol	30.7%
Diabetes	7.8%
Heart disease	5.4%
Stroke	2.6%
Asthma	9.8%
Arthritis	23.3%
Kidney disease	2.6%
Pulmonary disease	5.4%
Cancer	7.6%

Behavior / access	%
Smoking	12.9%
Binge drinking	18.7%
No physical activity	17.6%
Less than 7 hrs sleep	26.7%
Depression	19.3%
Fair or poor health	9.9%
Poor mental health	13.0%
Poor physical health	8.5%
No health insurance	12.4%
Visited doctor (checkup)	70.4%
Visited dentist	68.2%
Cholesterol screening	91.4%
Teeth loss	9.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,806	7.1%

Disability	%
Any disability	14.0%
Under 18	3.2%
18–64 years	11.8%
65 and over	29.4%

Health insurance coverage

Type	%
Private insurance	68.8%
Public insurance	35.1%
No insurance	7.8%
Uninsured under 19	8.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	29,255	96.2%
Spanish	1,027	3.5%
Other Indo-European	587	2.0%
Asian & Pacific Islander	257	0.9%
Other languages	106	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	28,356	93.2%
Born in same state	28,136	92.5%
Born in different state	12,323	40.5%
Foreign born	220	0.7%
Naturalized citizen	2,065	6.8%
Not a US citizen	1,029	49.8%

Ancestry

Ancestry	Count	%
Italian	4,405	14.5%
French	4,198	13.8%
Arab	1,141	3.8%
Polish	843	2.8%
English	694	2.3%

Ancestry	Count	%
Norwegian	181	0.6%
Dutch	146	0.5%
Irish	127	0.4%
German	109	0.4%

Technology access

Metric	% of households
Computer access	45.2%
Internet access	96.2%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 80120

What city is ZIP code 80120 in?

ZIP code 80120 is primarily assigned to Littleton, Colorado.

What county is ZIP code 80120 in?

ZIP code 80120 falls within Arapahoe County, Colorado.

How educated is the population of ZIP code 80120?

52% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 80120?

The median home value in ZIP code 80120 is $549,300.

What is the population of ZIP code 80120?

ZIP code 80120 has an estimated population of 30,421 residents, with a density of 3,636 people per square mile.

What is the median household income in ZIP code 80120?

The median household income in ZIP code 80120 is $82,655, above the national median of ~$75,000.

What timezone is ZIP code 80120 in?

ZIP code 80120 observes the MST timezone.