80123 ZIP Code — Littleton, CO

Jefferson County, Colorado

ZIP code 80123 is located in Littleton, Colorado, within Jefferson County. It covers approximately 12.02 square miles and serves a population of 45,388 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 303/720.

About ZIP code 80123

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $517,500. Owner-occupancy sits near the national average at 74%.

The gap between median ($102,722) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 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 28 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 80123 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

45,388

population

12.02

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

80123 ZIP code map

Cities in ZIP code 80123

Below are the cities the US Postal Service accepts for ZIP code 80123. Using any city not on this list may result in mail delivery delays.

City	Status
Littleton	Acceptable
Littleton	Acceptable
Littleton	Preferred

Nearby ZIP codes

80165 Littleton (2.5 mi) 80166 Littleton (2.5 mi) 80165 Littleton (2.5 mi) 80166 Littleton (2.5 mi) 80235 Denver (2.8 mi) 80235 Denver (2.8 mi) 80120 Littleton (2.8 mi) 80120 Littleton (2.8 mi) 80236 Denver (2.9 mi) 80236 Denver (2.9 mi) 80128 Littleton (3.2 mi) 80128 Littleton (3.2 mi)

Demographics updated 05/2026

Population
Total population	45,388
Population density	3,776 / sq mi
State FIPS	08
County FIPS	059

Geography
Land area	12.02 sq mi
Water area	1.68 sq mi
Latitude	39.6136
Longitude	-105.0632
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	23.0%	26.6%	32.5%
$50k – $100k	32.2%	30.3%	31.0%
$100k – $200k	31.3%	31.5%	26.9%
Over $200k	13.5%	11.7%	9.6%

Demographics & statistics

45,388

Population

3,776

People per sq mi

41.0

Median age

$102,722

Median household income

$58,208

Per capita income

$517,500

Median home value

$1,836

Median monthly rent

73.9%

Home ownership

5.1%

Poverty rate

3.7%

Unemployment

14,592

Housing units

52.4%

Bachelor's or higher

Age distribution

Male Female

1,137

Under 5

1,150

1,274

5–9

1,289

1,233

10–14

1,247

1,172

15–19

1,185

958

20–24

969

3,305

25–34

3,342

3,405

35–44

3,442

2,554

45–54

2,582

1,582

55–59

1,599

1,394

60–64

1,409

2,660

65–74

2,690

1,394

75–84

1,410

500

85+

506

← Male

Female →

Age summary

Group	Count	%
Under 18	9,030	19.9%
18 and over	36,358	80.1%
65 and over	9,160	20.2%
Median age	41.0 years

Race & ethnicity

White 78.9%

Hispanic or Latino 6.1%

Two or more races 5.9%

Asian 5.5%

Other race 2.1%

Black or African American 1%

American Indian / Alaska Native 0.5%

Group	Count	%
White	38,142	78.9%
Hispanic or Latino	2,939	6.1%
Two or more races	2,836	5.9%
Asian	2,651	5.5%
Other race	1,036	2.1%
Black or African American	503	1%
American Indian / Alaska Native	220	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	23.0%	26.6%	32.5%
$50k – $100k	32.2%	30.3%	31.0%
$100k – $200k	31.3%	31.5%	26.9%
Over $200k	13.5%	11.7%	9.6%

Under $10k 2.0%

$10k–$15k 2.1%

$15k–$25k 4.9%

$25k–$35k 3.9%

$35k–$50k 7.4%

$50k–$75k 14.3%

$75k–$100k 13.9%

$100k–$150k 22.4%

$150k–$200k 10.8%

$200k+ 18.5%

Range	% of households
Under $10k	2.0%
$10k–$15k	2.1%
$15k–$25k	4.9%
$25k–$35k	3.9%
$35k–$50k	7.4%
$50k–$75k	14.3%
$75k–$100k	13.9%
$100k–$150k	22.4%
$150k–$200k	10.8%
$200k+	18.5%
Median income	$102,722

Housing

Home values

Under $50k 1.4%

$50k–$100k 0.3%

$100k–$150k 0.7%

$150k–$200k 0.7%

$200k–$300k 7.2%

$300k–$500k 37.6%

$500k–$1M 42.7%

$1M+ 9.4%

Housing overview

Metric	Value
Median home value	$517,500
Median rent / month	$1,836
Owner occupied	73.9%
Renter occupied	26.1%
Vacant	2.5%
Single-family detached	57.4%
Large apartment buildings	11.6%
Mobile homes	0.4%
Median rooms	6.3
Avg household size (owned)	2.47

Year built

Era	%
2020 or later	0.3%
2010–2019	3.3%
2000–2009	14.5%
1990–1999	22.2%
1980–1989	25.3%
1970–1979	23.4%
1960–1969	6.5%
1950–1959	3.6%
1940–1949	0.4%
1939 or earlier	0.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	12.9%
2 bedrooms	23.8%
3 bedrooms	29.2%
4 bedrooms	23.1%
5+ bedrooms	9.7%

Vehicles per household

Vehicles	% of households
No vehicle	3.2%
1 vehicle	32.9%
2 vehicles	42.1%
3 or more	21.8%

Heating fuel

Fuel type	%
Utility gas	73.4%
Electricity	24.8%
Propane / LP gas	0.9%
Wood	0.1%
Solar	0.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	9,470	49.6%
Cohabiting couple	1,576	8.3%
Male householder, no spouse	3,279	17.2%
Female householder, no spouse	4,759	24.9%
Households with children under 18	5,148	27.0%
Households with seniors (65+)	6,462	33.9%
Average household size	2.32

Marital status

Status	Male	Female
Never married	32.7%	25.1%
Married	53.9%	52.1%
Separated	0.9%	0.6%
Widowed	2.4%	8.3%
Divorced	10.2%	13.9%

Education

Less than 9th grade 1.4%

Some HS, no diploma 2.6%

HS graduate 17.3%

Some college, no degree 19.7%

Associate's degree 6.6%

Bachelor's degree 34.0%

Graduate / professional 18.5%

Metric	%
HS diploma or higher	96.0%
Bachelor's or higher	52.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	872	9.2%
Kindergarten	354	3.8%
Elementary school	4,062	43.0%
High school	2,136	22.6%
College / grad school	2,015	21.3%

Employment

Industry of employment

Education & healthcare 19.5%

Professional & management 15.8%

Finance & real estate 11.7%

Retail trade 9.5%

Arts, food & hospitality 8.5%

Manufacturing 7.1%

Construction 6.9%

Other services 5.1%

Public administration 5.1%

Information 3.9%

Transportation & utilities 3.6%

Wholesale trade 2.5%

Agriculture & mining 0.9%

Occupation

Category	%
Management, business & arts	50.3%
Service	13.1%
Sales & office	23.4%
Natural resources & construction	6.3%
Production & transportation	6.8%

Employment type

Type	%
Private sector	81.8%
Government	11.8%
Self-employed	6.3%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	71.6%
Carpool	7.9%
Public transit	2.1%
Walk	0.5%
Work from home	17.3%
Other means	0.7%
Avg commute (minutes)	27.6

Poverty

All people 5.1%

Under 18 years 5.4%

18 and over 5.0%

Married-couple families 2.1%

Female-led households 8.0%

Income support

Source	% of households
Social Security	31.0%
Retirement income	26.2%
Supplemental Security	2.2%
Cash public assistance	1.7%
Food stamps / SNAP	2.6%

Health indicators

Condition	%
Obesity	22.2%
High blood pressure	24.1%
High cholesterol	29.0%
Diabetes	6.8%
Heart disease	4.6%
Stroke	2.2%
Asthma	9.3%
Arthritis	21.2%
Kidney disease	2.3%
Pulmonary disease	4.5%
Cancer	6.6%

Behavior / access	%
Smoking	12.1%
Binge drinking	19.7%
No physical activity	13.9%
Less than 7 hrs sleep	26.3%
Depression	19.0%
Fair or poor health	8.9%
Poor mental health	12.6%
Poor physical health	7.6%
No health insurance	10.9%
Visited doctor (checkup)	66.3%
Visited dentist	70.2%
Cholesterol screening	91.0%
Teeth loss	8.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,420	6.7%

Disability	%
Any disability	8.8%
Under 18	2.3%
18–64 years	6.6%
65 and over	21.5%

Health insurance coverage

Type	%
Private insurance	79.4%
Public insurance	29.2%
No insurance	3.9%
Uninsured under 19	2.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	43,101	95.0%
Spanish	1,483	3.4%
Other Indo-European	505	1.2%
Asian & Pacific Islander	184	0.4%
Other languages	783	1.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	41,854	92.2%
Born in same state	41,392	91.2%
Born in different state	20,497	45.2%
Foreign born	462	1.0%
Naturalized citizen	3,534	7.8%
Not a US citizen	2,435	68.9%

Ancestry

Ancestry	Count	%
Italian	6,365	14%
French	6,056	13.3%
Arab	1,684	3.7%
Polish	1,003	2.2%
English	849	1.9%

Ancestry	Count	%
Dutch	468	1%
German	167	0.4%
Irish	132	0.3%
Norwegian	60	0.1%

Technology access

Metric	% of households
Computer access	42.0%
Internet access	97.7%

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

Frequently asked questions about ZIP code 80123

What city is ZIP code 80123 in?

ZIP code 80123 is primarily assigned to Littleton, Colorado.

What county is ZIP code 80123 in?

ZIP code 80123 falls within Jefferson County, Colorado.

How educated is the population of ZIP code 80123?

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 80123?

The median home value in ZIP code 80123 is $517,500.

What is the median household income in ZIP code 80123?

The median household income in ZIP code 80123 is $102,722, above the national median of ~$75,000.

What is the population of ZIP code 80123?

ZIP code 80123 has an estimated population of 45,388 residents, with a density of 3,775 people per square mile.

What timezone is ZIP code 80123 in?

ZIP code 80123 observes the MST timezone.