Postal Codes

80027 ZIP Code

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ZIP code 80027 covers Louisville, Colorado, with a population of about 33,998 and a median household income of $153,165.

Population
33,9981,825 per square mile
Median age
39.40.7 points above the US average
Median household income
$153,1651.7× the Colorado median
Poverty rate
4.2%8.2 points below the US average
Typical home value
$827,433up 6.4% in five years
Median rent
$2,2341.3× the Colorado median
Degree or higher
71.5%36.5 points above the US average
Homeownership
67.5%2.5 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
1,413

Where 80027 is

Louisville, 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

Population33,998
Median age39.4
Family households70%
Born outside the US12.1%
Speaks a language other than English at home14.4%
White (non-Hispanic)75.2%
Black (non-Hispanic)0.6%
Asian (non-Hispanic)9.1%
Hispanic or Latino9.8%
Veterans3.9%
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$153,165
Income per person$69,739
Poverty rate4.2%
Households on SNAP or cash assistance4.8%

Household income distribution

Under $10k2.7%
$10–15k0.7%
$15–20k0.7%
$20–25k1.2%
$25–30k0.6%
$30–35k1.5%
$35–40k2.6%
$40–45k1.4%
$45–50k2.4%
$50–60k2.8%
$60–75k5.3%
$75–100k10.3%
$100–125k8.0%
$125–150k9.0%
$150–200k16.4%
$200k or more34.5%

Income as declared to the IRS

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

Tax returns filed16,580
Mean adjusted gross income$153,252
Returns declaring $200,000 or more22.4%
Returns, under $25k20.9%
Returns, $25k–$50k13.6%
Returns, $50k–$75k11.4%
Returns, $75k–$100k9.1%
Returns, $100k–$200k22.7%
Returns, $200k or more22.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$822,700
Median gross rent$2,234
Rent as a share of household income23.5%
Owner-occupied67.5%
Vacant homes4.2%
Median year built1994

What the homes are

Detached house63.7%
Attached house9.9%
2 to 4 units3.2%
5 to 19 units13%
20 or more units8.9%
Mobile home1.2%
Boat, RV or van0.1%
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$827,433as of 2026-07
Typical home value, 1 yeardown 1.1%
Typical home value, 5 yearsup 6.4%
Typical home value, 10 yearsup 48.9%
Typical asking rent$2,491as of 2026-07
Typical asking rent, 1 yearup 2.2%
Typical asking rent, 5 yearsup 18%
Typical home value since 2000
200020132026$920,719$269,158

$269,158 in 2000 to $827,433 in 2026.

Typical asking rent
201820222026$2,491$1,778

$1,778 in 2018 to $2,491 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.2%
Bachelor's degree or higher71.5%
High school diploma or higher98.3%
Works from home34.6%
Drives to work alone52.7%
Takes public transport2.5%
Commutes 45 minutes or more10.9%
Health

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

Obesity15.9% 17.5 pts below the national average of 33.4%
Diagnosed diabetes6.4% 5.6 pts below the national average of 12%
Currently smokes7.5% 5.7 pts below the national average of 13.2%
High blood pressure20.8% 13.3 pts below the national average of 34.1%
Fair or poor general health10.2% 10.1 pts below the national average of 20.3%
No health insurance (18–64)5.5% 5.8 pts below the national average of 11.3%
Depression22.1% same as the national average of 21.9%
No leisure-time physical activity9.9% 15.5 pts below the national average of 25.4%
Arthritis20.2% 4.9 pts below the national average of 25.1%
Binge drinking19% 3 pts above the national average of 16%
Taking blood pressure medication67.9% 6.8 pts below the national average of 74.7%
Cancer (non-skin)8.4% 0.7 pts above the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease4% 2.2 pts below the national average of 6.2%
Routine check-up in past year70.6% 6.1 pts below the national average of 76.7%
Cholesterol screening88.7% 2.8 pts above the national average of 85.9%
Cognitive disability10.1% 4.7 pts below the national average of 14.8%
Colorectal screening65.6% 1.3 pts above the national average of 64.3%
COPD3.8% 2.8 pts below the national average of 6.6%
Visited a dentist76.1% 14.8 pts above the national average of 61.3%
Any disability18.6% 12.1 pts below the national average of 30.7%
Hearing disability5% 1.7 pts below the national average of 6.7%
High cholesterol30.4% 5.8 pts below the national average of 36.2%
Independent living disability4.6% 3.8 pts below the national average of 8.4%
Mammography use76% same as the national average of 75.9%
Poor mental health (14+ days)13.4% 3.4 pts below the national average of 16.8%
Mobility disability6.9% 7.1 pts below the national average of 14%
Poor physical health (14+ days)9.3% 4.2 pts below the national average of 13.5%
Self-care disability2% 2 pts below the national average of 4%
Sleeps under 7 hours23.1% 13.3 pts below the national average of 36.4%
Stroke2.1% 1.3 pts below the national average of 3.4%
All natural teeth lost4.6% 8.4 pts below the national average of 13%
Vision disability2.7% 2.9 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,413
People employed20,025
Annual payroll$1,720,718,000
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 25.3% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 12 census tracts this ZIP code covers
Expected annual loss32.1 out of 100
Community resilience86 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.

Hail88.4Relatively High at its worst in this ZIP code
Lightning85.4Very High at its worst in this ZIP code
Wildfire83Relatively High at its worst in this ZIP code
Winter weather76.8Relatively High at its worst in this ZIP code
Tornado59.8Relatively High at its worst in this ZIP code
Drought55.6Relatively Low at its worst in this ZIP code
Strong wind51Relatively Moderate at its worst in this ZIP code
Landslide49.3Very Low at its worst in this ZIP code
Volcanic activity48.7Very Low at its worst in this ZIP code
Earthquake38.5Relatively Low at its worst in this ZIP code
Cold wave32.5Relatively Moderate at its worst in this ZIP code
Ice storm31.8Relatively Low at its worst in this ZIP code
River flooding29.7Relatively Moderate at its worst in this ZIP code
Heat wave7.7Relatively 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$153,165$92,470$78,538
Income per person$69,739$50,489$43,289
Poverty rate4.2%9.4%12.4%
Median home value$822,700$502,200$303,400
Median gross rent$2,234$1,693$1,348
Homeownership67.5%66.3%65%
Bachelor's degree or higher71.5%44.7%35%
Unemployment rate3.2%4.5%5.2%
Works from home34.6%18.8%13.5%
Born outside the US12.1%9.6%13.9%
Median age39.437.538.7
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 stationBOULDER, CO US10.4 km away
Rain in a year21 in
Snow in a year93 in

Average high and low by month

January47°F / 21.5°F0.83 in rain, 11.3 in snow
February48.3°F / 22.3°F0.99 in rain, 15 in snow
March57°F / 29°F1.99 in rain, 15.7 in snow
April62.8°F / 34.5°F3.05 in rain, 14.7 in snow
May71.3°F / 42.7°F3.21 in rain, 2 in snow
June82.5°F / 51.1°F1.95 in rain
July88°F / 57°F1.83 in rain
August86°F / 55.5°F1.68 in rain
September78.8°F / 48.1°F2.09 in rain, 1 in snow
October65.9°F / 37.2°F1.62 in rain, 7 in snow
November54.5°F / 28.1°F1.18 in rain, 13.1 in snow
December46.3°F / 21.1°F0.81 in rain, 13 in snow
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 supermarket34% of this ZIP code's area
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%.

Boulder Valley School District RE-2100% 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 vulnerability26more vulnerable than 26% of US census tracts
Socioeconomic status19more vulnerable than 19% of US census tracts
Household characteristics41more vulnerable than 41% of US census tracts
Racial and ethnic minority status43more vulnerable than 43% of US census tracts
Housing type and transport37more vulnerable than 37% of US census tracts
Walkability12 out of 20Above average
Nearby ZIP codes

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

80026 Lafayette, CO4.7 km away
80303 Boulder, CO8.1 km away
80038 Broomfield, CO8.2 km away
80305 Boulder, CO9.2 km away
80020 Broomfield, CO9.4 km away
80301 Boulder, CO9.8 km away
80021 Broomfield, CO10.7 km away
80516 Erie, CO11.1 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 County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area18.63 sq mi
Water area0.19 sq mi
Population density1,825 people per sq mi
Latitude, longitude39.9789, -105.1456

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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