80428 ZIP Code — Clark, CO

Routt County, Colorado

ZIP code 80428 is located in Clark, Colorado, within Routt County. It covers approximately 204.02 square miles and serves a population of 512 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 970.

About ZIP code 80428

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $677,300. Owner-occupancy is high at 82%, well above the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 39 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.

Overall, ZIP code 80428 reflects a community defined by economic challenges above the national average and high homeownership.

512

population

204.02

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

80428 ZIP code map

Cities in ZIP code 80428

Below are the cities the US Postal Service accepts for ZIP code 80428. Using any city not on this list may result in mail delivery delays.

City	Status
Clark	Preferred

Nearby ZIP codes

81639 Hayden (14.9 mi) 80487 Steamboat Springs (19.5 mi)

Demographics updated 05/2026

Population
Total population	512
Population density	3 / sq mi
State FIPS	08
County FIPS	107

Geography
Land area	204.02 sq mi
Water area	1.95 sq mi
Latitude	40.7357
Longitude	-106.8879
Timezone	Mountain (MT)
Area code	970

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.2%	28.1%	32.5%
$50k – $100k	34.5%	33.6%	31.0%
$100k – $200k	33.6%	29.3%	26.9%
Over $200k	2.7%	9.0%	9.6%

Demographics & statistics

512

Population

People per sq mi

31.5

Median age

Median household income

$77,064

Per capita income

$677,300

Median home value

Median monthly rent

82.4%

Home ownership

38.9%

Poverty rate

0.0%

Unemployment

462

Housing units

28.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	161	31.4%
18 and over	351	68.6%
65 and over	28	5.5%
Median age	31.5 years

Race & ethnicity

White 83.4%

Two or more races 15.4%

Hispanic or Latino 1.2%

Group	Count	%
White	432	83.4%
Two or more races	80	15.4%
Hispanic or Latino	6	1.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	29.2%	28.1%	32.5%
$50k – $100k	34.5%	33.6%	31.0%
$100k – $200k	33.6%	29.3%	26.9%
Over $200k	2.7%	9.0%	9.6%

Under $10k 3.7%

$10k–$15k 12.8%

$15k–$25k 5.3%

$25k–$35k 7.0%

$35k–$50k 3.2%

$50k–$75k 20.9%

$100k–$150k 33.7%

$150k–$200k 9.6%

$200k+ 3.7%

Range	% of households
Under $10k	3.7%
$10k–$15k	12.8%
$15k–$25k	5.3%
$25k–$35k	7.0%
$35k–$50k	3.2%
$50k–$75k	20.9%
$100k–$150k	33.7%
$150k–$200k	9.6%
$200k+	3.7%
Median income	$0

Housing

Home values

$150k–$200k 1.9%

$200k–$300k 5.8%

$300k–$500k 16.9%

$500k–$1M 66.2%

$1M+ 9.1%

Housing overview

Metric	Value
Median home value	$677,300
Median rent / month	$0
Owner occupied	82.4%
Renter occupied	17.6%
Vacant	62.2%
Single-family detached	90.5%
Large apartment buildings	0.0%
Mobile homes	4.8%
Median rooms	4.7
Avg household size (owned)	2.82

Year built

Era	%
2020 or later	0.0%
2010–2019	9.3%
2000–2009	28.1%
1990–1999	22.8%
1980–1989	15.8%
1970–1979	10.5%
1960–1969	4.4%
1950–1959	3.2%
1940–1949	2.4%
1939 or earlier	3.4%

Bedrooms

Size	% of units
No bedroom (studio)	1.4%
1 bedroom	12.7%
2 bedrooms	27.7%
3 bedrooms	35.4%
4 bedrooms	17.8%
5+ bedrooms	5.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	28.9%
2 vehicles	63.1%
3 or more	8.0%

Heating fuel

Fuel type	%
Utility gas	3.7%
Electricity	25.7%
Propane / LP gas	36.4%
Wood	34.2%

Households & families

Household type	Count	%
Married-couple family	79	42.2%
Cohabiting couple	24	12.8%
Male householder, no spouse	41	21.9%
Female householder, no spouse	43	23.0%
Households with children under 18	56	29.9%
Households with seniors (65+)	27	14.4%
Average household size	2.60

Marital status

Status	Male	Female
Never married	26.1%	6.0%
Married	56.5%	62.3%
Separated	0.0%	0.0%
Widowed	0.0%	4.2%
Divorced	17.4%	27.5%

Education

Less than 9th grade 7.1%

Some HS, no diploma 0.0%

HS graduate 27.1%

Some college, no degree 12.5%

Associate's degree 24.4%

Bachelor's degree 15.8%

Graduate / professional 13.1%

Metric	%
HS diploma or higher	92.9%
Bachelor's or higher	28.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	50	39.1%
Kindergarten	0	0.0%
Elementary school	63	49.2%
High school	15	11.7%
College / grad school	0	0.0%

Employment

Industry of employment

Education & healthcare 23.9%

Arts, food & hospitality 19.7%

Construction 13.9%

Professional & management 10.9%

Other services 10.1%

Finance & real estate 9.7%

Transportation & utilities 8.0%

Agriculture & mining 3.8%

Occupation

Category	%
Management, business & arts	37.8%
Service	20.2%
Sales & office	17.6%
Natural resources & construction	18.1%
Production & transportation	6.3%

Employment type

Type	%
Private sector	79.8%
Government	12.2%
Self-employed	8.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.8%
Carpool	15.0%
Public transit	0.0%
Walk	4.5%
Work from home	3.6%
Other means	0.0%
Avg commute (minutes)	38.7

Poverty

All people 38.9%

Under 18 years 61.5%

18 and over 28.5%

Married-couple families 16.5%

Female-led households 58.8%

Income support

Source	% of households
Social Security	13.9%
Retirement income	10.7%
Supplemental Security	19.8%
Cash public assistance	0.0%
Food stamps / SNAP	16.0%

Health indicators

Condition	%
Obesity	23.9%
High blood pressure	28.7%
High cholesterol	31.9%
Diabetes	8.5%
Heart disease	5.7%
Stroke	2.7%
Asthma	10.0%
Arthritis	25.0%
Kidney disease	2.7%
Pulmonary disease	6.4%
Cancer	6.7%

Behavior / access	%
Smoking	15.8%
Binge drinking	19.3%
No physical activity	16.3%
Less than 7 hrs sleep	27.9%
Depression	19.5%
Fair or poor health	11.0%
Poor mental health	13.3%
Poor physical health	9.7%
No health insurance	9.9%
Visited doctor (checkup)	67.1%
Visited dentist	67.2%
Cholesterol screening	92.4%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	9.0%
Under 18	0.0%
18–64 years	12.1%
65 and over	25.0%

Health insurance coverage

Type	%
Private insurance	56.8%
Public insurance	44.1%
No insurance	8.2%
Uninsured under 19	4.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	442	86.3%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	512	100.0%
Born in same state	512	100.0%
Born in different state	290	56.6%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	44	8.6%
Dutch	33	6.4%

Ancestry	Count	%
Italian	31	6.1%
Polish	7	1.4%

Technology access

Metric	% of households
Computer access	36.5%
Internet access	100.0%

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

Frequently asked questions about ZIP code 80428

What city is ZIP code 80428 in?

ZIP code 80428 is primarily assigned to Clark, Colorado.

What county is ZIP code 80428 in?

ZIP code 80428 falls within Routt County, Colorado.

What is the poverty rate in ZIP code 80428?

39% of residents in ZIP code 80428 live below the poverty line, above the national average.

Is ZIP code 80428 family-oriented?

31% of residents in ZIP code 80428 are under 18, reflecting a younger, family-oriented community.

Is ZIP code 80428 mostly owner-occupied?

82% of occupied units in ZIP code 80428 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 80428?

The median home value in ZIP code 80428 is $677,300.

What timezone is ZIP code 80428 in?

ZIP code 80428 observes the MST timezone.