Postal Codes

80540 ZIP Code

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ZIP code 80540 covers Lyons, Colorado, with a population of about 4,620 and a median household income of $136,109.

Population
4,62030 per square mile
Median age
47.28.5 points above the US average
Median household income
$136,1091.5× the Colorado median
Poverty rate
6.3%6.1 points below the US average
Typical home value
$754,390up 6.7% in five years
Median rent
$2,0161.2× the Colorado median
Degree or higher
60.5%25.5 points above the US average
Homeownership
85.6%20.6 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
168

Where 80540 is

Lyons, Colorado — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population4,620
Median age47.2
Family households61.4%
Born outside the US5.5%
Speaks a language other than English at home10.8%
White (non-Hispanic)84.4%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)0.8%
Hispanic or Latino8.7%
Veterans8.4%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$136,109
Income per person$65,782
Poverty rate6.3%
Households on SNAP or cash assistance6.7%

Household income distribution

Under $10k2.1%
$10–15k3.3%
$15–20k2.5%
$20–25k0.3%
$25–30k3.4%
$30–35k0.0%
$35–40k1.3%
$40–45k1.4%
$45–50k0.2%
$50–60k2.4%
$60–75k5.1%
$75–100k9.6%
$100–125k14.4%
$125–150k8.4%
$150–200k10.6%
$200k or more35.2%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,340
Mean adjusted gross income$120,195
Returns declaring $200,000 or more17.5%
Returns, under $25k22.6%
Returns, $25k–$50k15.0%
Returns, $50k–$75k12.0%
Returns, $75k–$100k9.0%
Returns, $100k–$200k23.9%
Returns, $200k or more17.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$787,800
Median gross rent$2,016
Rent as a share of household income30.9%
Owner-occupied85.6%
Vacant homes20.6%
Median year built1983

What the homes are

Detached house92.9%
Attached house3.1%
2 to 4 units1.2%
5 to 19 units1.4%
Mobile home1.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$754,390as of 2026-07
Typical home value, 1 yeardown 1.5%
Typical home value, 5 yearsup 6.7%
Typical home value, 10 yearsup 70.4%
Typical home value since 2000
200020132026$824,712$273,562

$273,562 in 2000 to $754,390 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2%
Bachelor's degree or higher60.5%
High school diploma or higher97.6%
Works from home27.9%
Drives to work alone58.4%
Takes public transport0%
Commutes 45 minutes or more28.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity19.5% 13.9 pts below the national average of 33.4%
Diagnosed diabetes8.1% 3.9 pts below the national average of 12%
Currently smokes9% 4.2 pts below the national average of 13.2%
High blood pressure27.2% 6.9 pts below the national average of 34.1%
Fair or poor general health12.1% 8.2 pts below the national average of 20.3%
No health insurance (18–64)5.4% 5.9 pts below the national average of 11.3%
Depression22.9% 1 pts above the national average of 21.9%
No leisure-time physical activity11.5% 13.9 pts below the national average of 25.4%
Arthritis26.7% 1.6 pts above the national average of 25.1%
Binge drinking17.3% 1.3 pts above the national average of 16%
Taking blood pressure medication73.3% 1.4 pts below the national average of 74.7%
Cancer (non-skin)11.1% 3.4 pts above the national average of 7.7%
Current asthma10.7% same as the national average of 10.4%
Coronary heart disease5.6% 0.6 pts below the national average of 6.2%
Routine check-up in past year74.2% 2.5 pts below the national average of 76.7%
Cholesterol screening90.7% 4.8 pts above the national average of 85.9%
Cognitive disability10.6% 4.2 pts below the national average of 14.8%
Colorectal screening69.3% 5 pts above the national average of 64.3%
COPD5.4% 1.2 pts below the national average of 6.6%
Visited a dentist75.4% 14.1 pts above the national average of 61.3%
Any disability22.4% 8.3 pts below the national average of 30.7%
Hearing disability6.5% same as the national average of 6.7%
High cholesterol35% 1.2 pts below the national average of 36.2%
Independent living disability5.3% 3.1 pts below the national average of 8.4%
Mammography use73.1% 2.8 pts below the national average of 75.9%
Poor mental health (14+ days)13.5% 3.3 pts below the national average of 16.8%
Mobility disability9.3% 4.7 pts below the national average of 14%
Poor physical health (14+ days)11.3% 2.2 pts below the national average of 13.5%
Self-care disability2.6% 1.4 pts below the national average of 4%
Sleeps under 7 hours23.4% 13 pts below the national average of 36.4%
Stroke2.8% 0.6 pts below the national average of 3.4%
All natural teeth lost5.1% 7.9 pts below the national average of 13%
Vision disability3.1% 2.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments168
People employed788
Annual payroll$37,895,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 93.7% of US census tracts
FEMA ratingRelatively High
Expected annual loss96.2 out of 100
Community resilience77 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Wildfire99.2Very High at its worst in this ZIP code
Landslide98.1Relatively Moderate at its worst in this ZIP code
Avalanche86.1Relatively Moderate at its worst in this ZIP code
Hail84.7Relatively High at its worst in this ZIP code
Lightning75.4Relatively High at its worst in this ZIP code
Winter weather74.9Relatively High at its worst in this ZIP code
River flooding74.1Relatively High at its worst in this ZIP code
Tornado47.6Relatively Moderate at its worst in this ZIP code
Volcanic activity43.5Very Low at its worst in this ZIP code
Strong wind35.1Relatively Low at its worst in this ZIP code
Earthquake31.5Very Low at its worst in this ZIP code
Cold wave25Relatively Low at its worst in this ZIP code
Ice storm13.4Very Low at its worst in this ZIP code
Drought8.9Very Low at its worst in this ZIP code
Heat wave2.4Very Low at its worst in this ZIP code
Compared with Colorado and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPColoradoUnited States
Median household income$136,109$92,470$78,538
Income per person$65,782$50,489$43,289
Poverty rate6.3%9.4%12.4%
Median home value$787,800$502,200$303,400
Median gross rent$2,016$1,693$1,348
Homeownership85.6%66.3%65%
Bachelor's degree or higher60.5%44.7%35%
Unemployment rate2%4.5%5.2%
Works from home27.9%18.8%13.5%
Born outside the US5.5%9.6%13.9%
Median age47.237.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationALLENSPARK 3NW, CO US16.6 km away

Average high and low by month

January32.2°F / 14.1°F
February34.5°F / 14.7°F
March41.7°F / 20.3°F
April46.1°F / 22.8°F
May56°F / 32.2°F
June68.6°F / 38.1°F
July74.3°F / 44.3°F
August72.7°F / 42.7°F
September65.7°F / 36.5°F
October52.4°F / 28.7°F
November40.6°F / 20.3°F
December33.4°F / 14.1°F
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

St. Vrain Valley School District RE 1J69.9% of this ZIP code's land area
Estes Park School District R-328.6% of this ZIP code's land area
Thompson School District R-2J1.6% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability8more vulnerable than 8% of US census tracts
Socioeconomic status11more vulnerable than 11% of US census tracts
Household characteristics8more vulnerable than 8% of US census tracts
Racial and ethnic minority status20more vulnerable than 20% of US census tracts
Housing type and transport28more vulnerable than 28% of US census tracts
Walkability4.9 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

80533 Hygiene, CO9.8 km away
80455 Jamestown, CO14.5 km away
80306 Boulder, CO15.7 km away
80503 Longmont, CO16.3 km away
80510 Allenspark, CO16.8 km away
80307 Boulder, CO17 km away
80314 Boulder, CO17 km away
80544 Niwot, CO19.6 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Boulder County65.3% of this ZIP code's land area
Larimer County34.7% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area152.76 sq mi
Water area0.5 sq mi
Population density30 people per sq mi
Latitude, longitude40.2357, -105.3231

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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