Lyons ZIP Code List — Boulder County, CO

There is one unique ZIP code in Lyons, Colorado and it is 80540. Area code: 720/303.

ZIP codes

152.76

sq mi land

0.50

sq mi water

720/303

area code

Lyons, CO ZIP code map

About Lyons, CO

Lyons, Colorado, is a charming town nestled in the foothills of the Rocky Mountains. Known for its beautiful landscapes and outdoor recreational opportunities, Lyons attracts visitors with its unique character. The town seamlessly combines a close-knit community vibe with stunning natural surroundings, making it a desirable place to live and visit.

Location & geography

Lyons is located in Boulder County and offers picturesque scenery typical of Colorado’s mountainous terrain. It is positioned approximately 15 miles to the northwest of the city of Boulder and about 20 miles from Longmont. Covering a total land area of 152.76 square miles and a water area of 0.50 square miles, Lyons features a mix of rugged terrain and serene water bodies.

Community & economy

The community in Lyons is vibrant and community-oriented, characterized by its friendly residents and local pride. It has thriving local industries including tourism, outdoor recreation, and artisan crafts, contributing to its unique economic fabric. Daily life in Lyons often revolves around outdoor activities, community events, and enjoying the natural beauty that surrounds the town.

Transportation

Lyons is easily accessible via State Highway 66, which connects the town to nearby communities and major roadways. The nearest major airports are located in Denver, with Denver International Airport being about 50 miles away, providing convenient air travel options. Public transit services may be limited, but the region’s road network facilitates travel to neighboring cities and attractions.

History

Lyons was founded in the late 1800s, originally gaining prominence due to its sandstone quarries, which supplied material for numerous buildings throughout Colorado. Over the years, the town has transitioned from a quarrying hub to a center for tourism and outdoor activities, taking advantage of its stunning natural landscape. Notable events in its history include the annual Lyons Good Old Days Festival, which celebrates the town's heritage and community spirit.

Did you know?

One surprising fact about Lyons is its reputation for being a music town, hosting several live music events and festivals throughout the year. Additionally, the nearby St. Vrain River is a popular spot for whitewater kayaking, attracting enthusiasts from all over Colorado.

ZIP codes for Lyons, CO (1)

ZIP code	City	County	Map
80540	Lyons	Boulder	View map

Demographics & statistics

4,637

Population

48.9

Median age

$132,398

Median household income

$63,875

Per capita income

$728,300

Median home value

$1,694

Median monthly rent

84.4%

Home ownership

5.5%

Poverty rate

2.1%

Unemployment

2,223

Housing units

59.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

131

5–9

110

213

10–14

180

143

15–19

121

20–24

124

25–34

105

392

35–44

330

450

45–54

379

269

55–59

227

202

60–64

170

336

65–74

283

148

75–84

124

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	973	21.0%
18 and over	3,664	79.0%
65 and over	917	19.8%
Median age	48.9 years

Race & ethnicity

White 85%

Two or more races 7%

Hispanic or Latino 5.6%

American Indian / Alaska Native 1%

Asian 0.5%

Other race 0.5%

Black or African American 0.4%

Group	Count	%
White	4,175	85%
Two or more races	342	7%
Hispanic or Latino	275	5.6%
American Indian / Alaska Native	50	1%
Asian	27	0.5%
Other race	23	0.5%
Black or African American	20	0.4%

Household income

Under $10k 3.5%

$10k–$15k 1.9%

$15k–$25k 3.4%

$25k–$35k 2.7%

$35k–$50k 3.4%

$50k–$75k 7.9%

$75k–$100k 10.6%

$100k–$150k 23.7%

$150k–$200k 20.5%

$200k+ 22.4%

Range	% of households
Under $10k	3.5%
$10k–$15k	1.9%
$15k–$25k	3.4%
$25k–$35k	2.7%
$35k–$50k	3.4%
$50k–$75k	7.9%
$75k–$100k	10.6%
$100k–$150k	23.7%
$150k–$200k	20.5%
$200k+	22.4%
Median income	$132,398

Housing

Home values

Under $50k 0.8%

$100k–$150k 2.3%

$150k–$200k 1.6%

$200k–$300k 1.2%

$300k–$500k 20.0%

$500k–$1M 56.8%

$1M+ 17.3%

Housing overview

Metric	Value
Median home value	$728,300
Median rent / month	$1,694
Owner occupied	84.4%
Renter occupied	15.6%
Vacant	21.4%
Single-family detached	93.4%
Large apartment buildings	0.0%
Mobile homes	1.1%
Median rooms	6.8
Avg household size (owned)	2.37

Year built

Era	%
2020 or later	0.0%
2010–2019	4.6%
2000–2009	17.4%
1990–1999	17.6%
1980–1989	13.2%
1970–1979	20.7%
1960–1969	10.8%
1950–1959	7.3%
1940–1949	1.9%
1939 or earlier	6.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	6.4%
2 bedrooms	20.7%
3 bedrooms	41.8%
4 bedrooms	20.7%
5+ bedrooms	9.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.2%
1 vehicle	18.0%
2 vehicles	49.4%
3 or more	31.5%

Heating fuel

Fuel type	%
Utility gas	42.8%
Electricity	16.3%
Propane / LP gas	33.5%
Fuel oil	0.2%
Wood	6.6%
No fuel used	0.6%

Households & families

Household type	Count	%
Married-couple family	1,151	57.8%
Cohabiting couple	121	6.1%
Male householder, no spouse	436	21.9%
Female householder, no spouse	284	14.3%
Households with children under 18	557	28.0%
Households with seniors (65+)	664	33.3%
Average household size	2.33

Marital status

Status	Male	Female
Never married	19.2%	15.4%
Married	58.5%	67.8%
Separated	0.0%	0.6%
Widowed	1.0%	6.4%
Divorced	21.2%	9.8%

Education

Less than 9th grade 0.6%

Some HS, no diploma 1.6%

HS graduate 9.2%

Some college, no degree 19.5%

Associate's degree 9.2%

Bachelor's degree 33.4%

Graduate / professional 26.4%

Metric	%
HS diploma or higher	97.8%
Bachelor's or higher	59.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	74	6.7%
Kindergarten	33	3.0%
Elementary school	527	47.5%
High school	286	25.8%
College / grad school	190	17.1%

Employment

Industry of employment

Education & healthcare 29.3%

Professional & management 26.2%

Manufacturing 10.4%

Arts, food & hospitality 7.1%

Construction 6.4%

Retail trade 5.1%

Finance & real estate 3.5%

Transportation & utilities 3.3%

Other services 3.0%

Public administration 1.8%

Wholesale trade 1.7%

Agriculture & mining 1.2%

Information 1.1%

Occupation

Category	%
Management, business & arts	69.1%
Service	10.7%
Sales & office	12.4%
Natural resources & construction	4.3%
Production & transportation	3.5%

Employment type

Type	%
Private sector	71.5%
Government	17.2%
Self-employed	10.8%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	61.6%
Carpool	11.8%
Public transit	0.0%
Walk	0.7%
Other means	1.2%
Avg commute (minutes)	31.9

Poverty

All people 5.5%

Under 18 years 1.2%

18 and over 6.6%

Married-couple families 2.2%

Female-led households 53.2%

Income support

Source	% of households
Social Security	28.6%
Retirement income	24.5%
Supplemental Security	2.5%
Cash public assistance	4.0%
Food stamps / SNAP	4.2%

Health indicators

Condition	%
High blood pressure	25.1%
High cholesterol	31.8%
Heart disease	5.2%
Stroke	2.3%
Asthma	9.4%
Arthritis	22.3%
Kidney disease	2.4%
Pulmonary disease	5.0%
Cancer	7.4%

Behavior / access	%
Binge drinking	18.2%
No physical activity	12.1%
Less than 7 hrs sleep	24.4%
Fair or poor health	8.5%
Poor mental health	12.2%
Poor physical health	8.0%
No health insurance	8.0%
Visited doctor (checkup)	67.4%
Visited dentist	73.8%
Cholesterol screening	93.7%
Teeth loss	6.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	290	7.9%

Disability	%
Any disability	7.6%
Under 18	0.0%
18–64 years	3.9%
65 and over	26.6%

Health insurance coverage

Type	%
Private insurance	82.6%
Public insurance	26.8%
Uninsured under 19	4.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,510	97.3%
Spanish	29	0.6%
Other Indo-European	29	0.6%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,369	94.2%
Born in same state	4,329	93.4%
Born in different state	1,373	29.6%
Foreign born	40	0.9%
Naturalized citizen	268	5.8%
Not a US citizen	76	28.4%

Ancestry

Ancestry	Count	%
Italian	766	16.5%
French	569	12.3%
Polish	381	8.2%
English	146	3.1%
Arab	113	2.4%

Ancestry	Count	%
Dutch	72	1.6%
German	44	0.9%
Irish	38	0.8%
Norwegian	7	0.2%

Technology access

Metric	% of households
Computer access	43.0%
Internet access	97.4%

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

Frequently asked questions

What is the ZIP code for Lyons, CO?

Lyons, CO has one ZIP code: 80540.

What is the main ZIP code for Lyons, CO?

The primary ZIP code for Lyons, CO is 80540. The city uses area code 720 or 303 for phone service.

What county is Lyons, CO in?

Lyons is located in Boulder County, Colorado.

How many ZIP codes are in Lyons, CO?

Lyons, CO has 1 ZIP code.

What ZIP code covers downtown Lyons and the areas along the St. Vrain River?

Downtown Lyons and the surrounding areas along the St. Vrain River are located in ZIP code 80540, which serves the entire town of Lyons, Colorado.

What is the ZIP code for businesses and residences in the Lyons area near the intersection of Main Street and High Street?

The Main Street and High Street area in Lyons uses ZIP code 80540, as this is the sole ZIP code serving all of Lyons in Boulder County.