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Colorado ZIP Codes
Weld County
Longmont, CO
80504
80504 ZIP Code — Longmont, CO
Weld County, Colorado
ZIP code 80504 is located in
Longmont ,
Colorado ,
within Weld County .
It covers approximately 94.57 square miles and serves a population of
60,527 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 720/303 .
About ZIP code 80504
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 $493,200. Owner-occupancy is high at 82%, well above the national average.
Median household income is $108,819. The poverty rate of 6% 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 29 minutes is near the national average.
Educational attainment is near the national average, with 42% of residents holding a bachelor's degree or higher.
80504 ZIP code map
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Cities in ZIP code 80504
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
60,527
Population density
640 / sq mi
State FIPS
08
County FIPS
123
Geography
Land area
94.57 sq mi
Water area
5.06 sq mi
Latitude
40.1653
Longitude
-105.0166
Timezone
Mountain (MT)
Area code
720/303
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
22.7%
31.7%
32.5%
$50k – $100k
31.0%
32.6%
31.0%
$100k – $200k
34.9%
29.0%
26.9%
Over $200k
11.5%
6.7%
9.6%
Demographics & statistics
$108,819
Median household income
$493,200
Median home value
$1,804
Median monthly rent
42.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 13,773 22.8%
18 and over 46,754 77.2%
65 and over 9,647 15.9%
Median age 39.5 years
Race & ethnicity
Black or African American
0.7%
American Indian / Alaska Native
0.6%
Group Count %
White 48,726 71.7%
Hispanic or Latino 7,454 11%
Two or more races 5,678 8.4%
Other race 3,633 5.3%
Asian 1,614 2.4%
Black or African American 486 0.7%
American Indian / Alaska Native 390 0.6%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
22.7%
31.7%
32.5%
$50k – $100k
31.0%
32.6%
31.0%
$100k – $200k
34.9%
29.0%
26.9%
Over $200k
11.5%
6.7%
9.6%
Range % of households
Under $10k 1.8%
$10k–$15k 2.2%
$15k–$25k 3.1%
$25k–$35k 3.7%
$35k–$50k 6.6%
$50k–$75k 12.1%
$75k–$100k 14.9%
$100k–$150k 25.1%
$150k–$200k 15.1%
$200k+ 15.4%
Median income $108,819
Housing
Housing overview
Metric Value
Median home value $493,200
Median rent / month $1,804
Owner occupied 81.7%
Renter occupied 18.3%
Vacant 2.3%
Single-family detached 76.5%
Large apartment buildings 4.2%
Mobile homes 5.1%
Median rooms 6.7
Avg household size (owned) 2.73
Year built
Era %
2020 or later 1.8%
2010–2019 19.3%
2000–2009 36.8%
1990–1999 18.2%
1980–1989 7.2%
1970–1979 11.9%
1960–1969 2.9%
1950–1959 0.5%
1940–1949 0.3%
1939 or earlier 1.0%
Bedrooms
Size % of units
No bedroom (studio) 1.1%
1 bedroom 3.3%
2 bedrooms 16.4%
3 bedrooms 39.2%
4 bedrooms 28.4%
5+ bedrooms 11.6%
Vehicles per household
Vehicles % of households
No vehicle 2.4%
1 vehicle 21.5%
2 vehicles 43.5%
3 or more 32.5%
Heating fuel
Fuel type %
Utility gas 83.3%
Electricity 13.5%
Propane / LP gas 2.5%
Fuel oil 0.1%
Wood 0.1%
Solar 0.3%
No fuel used 0.2%
Households & families
Household type Count %
Married-couple family 13,501 61.3%
Cohabiting couple 1,723 7.8%
Male householder, no spouse 2,672 12.1%
Female householder, no spouse 4,126 18.7%
Households with children under 18 7,201 32.7%
Households with seniors (65+) 6,609 30.0%
Average household size 2.75
Marital status
Status Male Female
Never married 28.4% 24.3%
Married 60.1% 57.8%
Separated 0.9% 0.4%
Widowed 1.5% 5.5%
Divorced 9.2% 12.1%
Education
Some college, no degree
23.0%
Graduate / professional
14.7%
Metric %
HS diploma or higher 93.5%
Bachelor's or higher 42.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 1,151 8.1%
Kindergarten 720 5.1%
Elementary school 5,960 42.0%
High school 3,108 21.9%
College / grad school 3,263 23.0%
Employment
Industry of employment
Education & healthcare
20.0%
Professional & management
16.8%
Arts, food & hospitality
7.5%
Transportation & utilities
5.4%
Public administration
5.1%
Finance & real estate
4.0%
Agriculture & mining
1.9%
Occupation
Category %
Management, business & arts 46.7%
Service 12.9%
Sales & office 19.8%
Natural resources & construction 8.7%
Production & transportation 12.0%
Employment type
Type %
Private sector 79.8%
Government 14.6%
Self-employed 5.4%
Unpaid family workers 0.1%
Commute
Method %
Drive alone 70.4%
Carpool 8.3%
Public transit 1.7%
Walk 1.0%
Work from home 17.5%
Other means 1.2%
Avg commute (minutes) 29.1
Poverty
Married-couple families
2.0%
Female-led households
18.8%
Income support
Source % of households
Social Security 28.1%
Retirement income 25.1%
Supplemental Security 3.0%
Cash public assistance 2.3%
Food stamps / SNAP 6.2%
Health indicators
Condition %
Obesity 23.7%
High blood pressure 22.4%
High cholesterol 28.5%
Diabetes 6.6%
Heart disease 4.3%
Stroke 2.0%
Asthma 9.6%
Arthritis 18.0%
Kidney disease 2.1%
Pulmonary disease 4.6%
Cancer 5.6%
Behavior / access %
Smoking 13.4%
Binge drinking 19.2%
No physical activity 15.2%
Less than 7 hrs sleep 27.0%
Depression 19.7%
Fair or poor health 9.6%
Poor mental health 13.6%
Poor physical health 8.0%
No health insurance 12.6%
Visited doctor (checkup) 64.5%
Visited dentist 68.0%
Cholesterol screening 90.1%
Teeth loss 8.7%
Veterans & disability
Veterans Count %
Civilian veterans 4,343 9.3%
Disability %
Any disability 10.2%
Under 18 4.1%
18–64 years 7.3%
65 and over 30.3%
Health insurance coverage
Type %
Private insurance 77.0%
Public insurance 30.4%
No insurance 5.1%
Uninsured under 19 2.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 56,511 93.4%
Spanish 2,069 3.7%
Other Indo-European 1,541 2.7%
Asian & Pacific Islander 147 0.3%
Other languages 357 0.6%
Place of birth & citizenship
Origin Count %
Native born (US) 56,156 92.8%
Born in same state 55,096 91.0%
Born in different state 25,893 42.8%
Foreign born 1,060 1.8%
Naturalized citizen 4,371 7.2%
Not a US citizen 1,922 44.0%
Ancestry
Ancestry Count %
French 8,193 13.5%
Italian 6,806 11.2%
Arab 2,252 3.7%
English 1,463 2.4%
Polish 1,364 2.3%
Ancestry Count %
German 445 0.7%
Dutch 367 0.6%
Irish 235 0.4%
Norwegian 162 0.3%
Technology access
Metric % of households
Computer access 36.4%
Internet access 97.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 80504
What part of Longmont is ZIP code 80504?
ZIP code 80504 covers a portion of Longmont, Colorado, within Weld County.
What county is ZIP code 80504 in?
ZIP code 80504 falls within Weld County, Colorado.
Is ZIP code 80504 mostly owner-occupied?
82% of occupied units in ZIP code 80504 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 80504?
The median home value in ZIP code 80504 is $493,200.
Does ZIP code 80504 have a large veteran population?
9% of civilians in ZIP code 80504 are veterans, above the national average of ~7%.
What is the median household income in ZIP code 80504?
The median household income in ZIP code 80504 is $108,819, above the national median of ~$75,000.
What timezone is ZIP code 80504 in?
ZIP code 80504 observes the MST timezone.
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