80027 ZIP Code — Louisville, CO

Boulder County, Colorado

ZIP code 80027 is located in Louisville, Colorado, within Boulder County. It covers approximately 18.63 square miles and serves a population of 34,161 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 303.

About ZIP code 80027

The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $767,800. Owner-occupancy sits near the national average at 66%.

The gap between median ($139,412) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average. Remote work is prevalent — 29% of workers work from home.

Educational attainment is high — 70% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 80027 reflects a community defined by a highly educated population and a high rate of remote workers.

34,161

population

18.63

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

80027 ZIP code map

Cities in ZIP code 80027

Below are the cities the US Postal Service accepts for ZIP code 80027. Using any city not on this list may result in mail delivery delays.

City	Status
Louisville	Acceptable
Louisville	Preferred

Nearby ZIP codes

80303 Boulder (3.7 mi) 80021 Broomfield (4.5 mi) 80021 Broomfield (4.5 mi) 80020 Broomfield (5 mi) 80020 Broomfield (5 mi) 80305 Boulder (5.2 mi) 80026 Lafayette (5.3 mi) 80309 Boulder (6.7 mi) 80301 Boulder (6.8 mi) 80007 Arvada (7.2 mi) 80314 Boulder (7.2 mi) 80310 Boulder (7.2 mi)

Demographics updated 05/2026

Population
Total population	34,161
Population density	1,834 / sq mi
State FIPS	08
County FIPS	013

Geography
Land area	18.63 sq mi
Water area	0.19 sq mi
Latitude	39.9570
Longitude	-105.1578
Timezone	Mountain (MT)
Area code	303

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.4%	29.3%	32.5%
$50k – $100k	22.0%	25.4%	31.0%
$100k – $200k	36.6%	29.1%	26.9%
Over $200k	24.0%	16.2%	9.6%

Demographics & statistics

34,161

Population

1,834

People per sq mi

39.2

Median age

$139,412

Median household income

$65,718

Per capita income

$767,800

Median home value

$2,156

Median monthly rent

66.2%

Home ownership

4.1%

Poverty rate

3.3%

Unemployment

8,729

Housing units

69.8%

Bachelor's or higher

Age distribution

Male Female

856

Under 5

818

1,371

5–9

1,311

1,402

10–14

1,340

1,330

15–19

1,271

741

20–24

708

1,990

25–34

1,903

2,620

35–44

2,504

2,661

45–54

2,543

1,274

55–59

1,218

980

60–64

936

1,486

65–74

1,421

471

75–84

451

284

85+

271

← Male

Female →

Age summary

Group	Count	%
Under 18	8,748	25.6%
18 and over	25,413	74.4%
65 and over	4,384	12.8%
Median age	39.2 years

Race & ethnicity

White 74.7%

Two or more races 8.7%

Asian 8.6%

Hispanic or Latino 5.8%

Other race 1.1%

Black or African American 0.8%

American Indian / Alaska Native 0.2%

Group	Count	%
White	27,089	74.7%
Two or more races	3,168	8.7%
Asian	3,115	8.6%
Hispanic or Latino	2,102	5.8%
Other race	417	1.1%
Black or African American	301	0.8%
American Indian / Alaska Native	62	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.4%	29.3%	32.5%
$50k – $100k	22.0%	25.4%	31.0%
$100k – $200k	36.6%	29.1%	26.9%
Over $200k	24.0%	16.2%	9.6%

Under $10k 2.7%

$10k–$15k 0.7%

$15k–$25k 1.5%

$25k–$35k 3.7%

$35k–$50k 6.2%

$50k–$75k 8.8%

$75k–$100k 11.6%

$100k–$150k 17.5%

$150k–$200k 14.8%

$200k+ 32.5%

Range	% of households
Under $10k	2.7%
$10k–$15k	0.7%
$15k–$25k	1.5%
$25k–$35k	3.7%
$35k–$50k	6.2%
$50k–$75k	8.8%
$75k–$100k	11.6%
$100k–$150k	17.5%
$150k–$200k	14.8%
$200k+	32.5%
Median income	$139,412

Housing

Home values

Under $50k 1.7%

$50k–$100k 0.9%

$100k–$150k 0.2%

$150k–$200k 0.2%

$200k–$300k 1.3%

$300k–$500k 7.5%

$500k–$1M 69.7%

$1M+ 18.5%

Housing overview

Metric	Value
Median home value	$767,800
Median rent / month	$2,156
Owner occupied	66.2%
Renter occupied	33.8%
Vacant	2.9%
Single-family detached	64.2%
Large apartment buildings	9.3%
Mobile homes	1.2%
Median rooms	6.6
Avg household size (owned)	2.96

Year built

Era	%
2020 or later	0.2%
2010–2019	11.7%
2000–2009	10.7%
1990–1999	43.2%
1980–1989	19.9%
1970–1979	8.6%
1960–1969	1.6%
1950–1959	1.3%
1940–1949	0.1%
1939 or earlier	2.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	11.5%
2 bedrooms	20.3%
3 bedrooms	27.4%
4 bedrooms	25.1%
5+ bedrooms	14.3%

Vehicles per household

Vehicles	% of households
No vehicle	3.3%
1 vehicle	27.7%
2 vehicles	45.0%
3 or more	24.0%

Heating fuel

Fuel type	%
Utility gas	76.5%
Electricity	21.5%
Propane / LP gas	0.8%
Solar	0.3%
No fuel used	0.7%

Households & families

Household type	Count	%
Married-couple family	7,564	60.0%
Cohabiting couple	656	5.2%
Male householder, no spouse	2,096	16.6%
Female householder, no spouse	2,294	18.2%
Households with children under 18	5,059	40.1%
Households with seniors (65+)	3,002	23.8%
Average household size	2.69

Marital status

Status	Male	Female
Never married	32.1%	22.3%
Married	58.7%	61.3%
Separated	0.3%	0.9%
Widowed	1.3%	5.6%
Divorced	7.6%	9.9%

Education

Less than 9th grade 0.9%

Some HS, no diploma 0.9%

HS graduate 8.6%

Some college, no degree 14.1%

Associate's degree 5.7%

Bachelor's degree 36.2%

Graduate / professional 33.6%

Metric	%
HS diploma or higher	98.2%
Bachelor's or higher	69.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	591	6.0%
Kindergarten	622	6.4%
Elementary school	4,340	44.4%
High school	2,311	23.6%
College / grad school	1,915	19.6%

Employment

Industry of employment

Education & healthcare 25.3%

Professional & management 23.3%

Manufacturing 10.3%

Retail trade 8.7%

Arts, food & hospitality 6.1%

Construction 5.8%

Finance & real estate 5.1%

Information 4.6%

Other services 3.3%

Public administration 2.7%

Transportation & utilities 2.3%

Wholesale trade 2.0%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	64.4%
Service	9.1%
Sales & office	16.0%
Natural resources & construction	4.7%
Production & transportation	5.7%

Employment type

Type	%
Private sector	80.7%
Government	12.1%
Self-employed	7.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	56.1%
Carpool	7.5%
Public transit	3.0%
Walk	2.2%
Work from home	28.9%
Other means	2.3%
Avg commute (minutes)	24.4

Poverty

All people 4.1%

Under 18 years 2.4%

18 and over 4.7%

Married-couple families 1.5%

Female-led households 8.8%

Income support

Source	% of households
Social Security	21.1%
Retirement income	20.9%
Supplemental Security	2.3%
Cash public assistance	2.4%
Food stamps / SNAP	3.5%

Health indicators

Condition	%
Obesity	16.5%
High blood pressure	19.1%
High cholesterol	26.5%
Diabetes	5.1%
Heart disease	3.6%
Stroke	1.7%
Asthma	9.1%
Arthritis	16.0%
Kidney disease	1.8%
Pulmonary disease	3.3%
Cancer	5.6%

Behavior / access	%
Smoking	9.9%
Binge drinking	19.6%
No physical activity	10.6%
Less than 7 hrs sleep	23.8%
Depression	18.3%
Fair or poor health	6.6%
Poor mental health	11.9%
Poor physical health	6.2%
No health insurance	7.9%
Visited doctor (checkup)	64.7%
Visited dentist	76.0%
Cholesterol screening	91.8%
Teeth loss	5.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,101	4.3%

Disability	%
Any disability	7.4%
Under 18	2.3%
18–64 years	5.9%
65 and over	25.4%

Health insurance coverage

Type	%
Private insurance	85.7%
Public insurance	19.9%
No insurance	3.1%
Uninsured under 19	2.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	32,487	95.1%
Spanish	1,025	3.2%
Other Indo-European	164	0.5%
Asian & Pacific Islander	113	0.3%
Other languages	736	2.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	30,059	88.0%
Born in same state	29,304	85.8%
Born in different state	11,269	33.0%
Foreign born	755	2.2%
Naturalized citizen	4,102	12.0%
Not a US citizen	2,087	50.9%

Ancestry

Ancestry	Count	%
French	5,106	14.9%
Italian	4,271	12.5%
English	1,006	2.9%
Arab	887	2.6%
Polish	621	1.8%

Ancestry	Count	%
German	372	1.1%
Irish	266	0.8%
Dutch	224	0.7%
Norwegian	213	0.6%

Technology access

Metric	% of households
Computer access	36.9%
Internet access	98.0%

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

Frequently asked questions about ZIP code 80027

What city is ZIP code 80027 in?

ZIP code 80027 is primarily assigned to Louisville, Colorado.

What county is ZIP code 80027 in?

ZIP code 80027 falls within Boulder County, Colorado.

How educated is the population of ZIP code 80027?

70% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 80027?

The median household income in ZIP code 80027 is $139,412, above the national median of ~$75,000.

What is the typical home value in ZIP code 80027?

The median home value in ZIP code 80027 is $767,800.

What is the population of ZIP code 80027?

ZIP code 80027 has an estimated population of 34,161 residents, with a density of 1,834 people per square mile.

What timezone is ZIP code 80027 in?

ZIP code 80027 observes the MST timezone.