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Colorado ZIP Codes
Larimer County
Fort Collins, CO
80521
80521 ZIP Code — Fort Collins, CO
Larimer County, Colorado
ZIP code 80521 is located in
Fort Collins ,
Colorado ,
within Larimer County .
It covers approximately 14.02 square miles and serves a population of
38,200 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 970 .
About ZIP code 80521
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $494,700. Renters make up the majority at 62%, typical of denser urban areas.
The gap between median ($51,712) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 32% of residents, above the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 19 minutes is near the national average.
Educational attainment is high — 61% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 80521 reflects a community defined by a highly educated population and economic challenges above the national average.
80521 ZIP code map
View map of 80521
Cities in ZIP code 80521
Below are the cities the US Postal Service accepts for ZIP code 80521. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
38,200
Population density
2,725 / sq mi
State FIPS
08
County FIPS
069
Geography
Land area
14.02 sq mi
Water area
0.45 sq mi
Latitude
40.5984
Longitude
-105.1264
Timezone
Mountain (MT)
Area code
970
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
49.4%
32.9%
32.5%
$50k – $100k
27.5%
31.8%
31.0%
$100k – $200k
18.3%
27.1%
26.9%
Over $200k
4.7%
8.2%
9.6%
Demographics & statistics
$51,712
Median household income
$494,700
Median home value
$1,322
Median monthly rent
61.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 3,410 8.9%
18 and over 34,790 91.1%
65 and over 2,709 7.1%
Median age 23.3 years
Race & ethnicity
Black or African American
1.7%
American Indian / Alaska Native
0.9%
Native Hawaiian / Pacific Islander
0.2%
Group Count %
White 31,990 78.7%
Two or more races 2,762 6.8%
Hispanic or Latino 2,423 6%
Asian 1,399 3.4%
Other race 915 2.3%
Black or African American 703 1.7%
American Indian / Alaska Native 358 0.9%
Native Hawaiian / Pacific Islander 73 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
49.4%
32.9%
32.5%
$50k – $100k
27.5%
31.8%
31.0%
$100k – $200k
18.3%
27.1%
26.9%
Over $200k
4.7%
8.2%
9.6%
Range % of households
Under $10k 9.2%
$10k–$15k 6.3%
$15k–$25k 10.5%
$25k–$35k 9.1%
$35k–$50k 14.1%
$50k–$75k 12.9%
$75k–$100k 11.1%
$100k–$150k 14.5%
$150k–$200k 6.1%
$200k+ 6.2%
Median income $51,712
Housing
Housing overview
Metric Value
Median home value $494,700
Median rent / month $1,322
Owner occupied 37.8%
Renter occupied 62.2%
Vacant 6.2%
Single-family detached 47.7%
Large apartment buildings 17.8%
Mobile homes 2.0%
Median rooms 5.1
Avg household size (owned) 2.25
Year built
Era %
2020 or later 0.0%
2010–2019 12.3%
2000–2009 13.0%
1990–1999 13.5%
1980–1989 7.7%
1970–1979 20.1%
1960–1969 12.2%
1950–1959 6.8%
1940–1949 3.4%
1939 or earlier 10.9%
Bedrooms
Size % of units
No bedroom (studio) 3.1%
1 bedroom 11.3%
2 bedrooms 30.9%
3 bedrooms 32.3%
4 bedrooms 18.8%
5+ bedrooms 3.7%
Vehicles per household
Vehicles % of households
No vehicle 7.8%
1 vehicle 32.5%
2 vehicles 31.0%
3 or more 28.7%
Heating fuel
Fuel type %
Utility gas 58.6%
Electricity 36.5%
Propane / LP gas 3.0%
Fuel oil 0.2%
Wood 0.4%
Solar 0.1%
No fuel used 0.6%
Households & families
Household type Count %
Married-couple family 4,055 27.9%
Cohabiting couple 1,275 8.8%
Male householder, no spouse 4,432 30.5%
Female householder, no spouse 4,785 32.9%
Households with children under 18 2,034 14.0%
Households with seniors (65+) 2,039 14.0%
Average household size 2.17
Marital status
Status Male Female
Never married 69.2% 67.4%
Married 25.0% 23.9%
Separated 0.3% 0.6%
Widowed 1.2% 2.2%
Divorced 4.4% 5.9%
Education
Some college, no degree
15.4%
Graduate / professional
26.4%
Metric %
HS diploma or higher 96.9%
Bachelor's or higher 61.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 211 1.1%
Kindergarten 276 1.4%
Elementary school 1,413 7.2%
High school 666 3.4%
College / grad school 17,163 87.0%
Employment
Industry of employment
Education & healthcare
29.9%
Arts, food & hospitality
19.3%
Professional & management
12.0%
Public administration
3.7%
Finance & real estate
3.1%
Transportation & utilities
2.8%
Agriculture & mining
1.4%
Occupation
Category %
Management, business & arts 42.4%
Service 24.7%
Sales & office 19.9%
Natural resources & construction 4.9%
Production & transportation 8.1%
Employment type
Type %
Private sector 73.6%
Government 22.1%
Self-employed 4.2%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 57.9%
Carpool 4.3%
Public transit 3.6%
Walk 11.6%
Work from home 13.0%
Other means 9.6%
Avg commute (minutes) 19.3
Poverty
Married-couple families
3.7%
Female-led households
22.0%
Income support
Source % of households
Social Security 12.2%
Retirement income 11.6%
Supplemental Security 1.8%
Cash public assistance 2.0%
Food stamps / SNAP 8.0%
Health indicators
Condition %
Obesity 22.0%
High blood pressure 15.8%
High cholesterol 18.1%
Diabetes 4.5%
Heart disease 3.0%
Stroke 1.6%
Asthma 11.6%
Arthritis 12.7%
Kidney disease 1.8%
Pulmonary disease 4.2%
Cancer 3.1%
Behavior / access %
Smoking 14.4%
Binge drinking 22.4%
No physical activity 14.8%
Less than 7 hrs sleep 26.7%
Depression 25.7%
Fair or poor health 10.2%
Poor mental health 20.1%
Poor physical health 7.9%
No health insurance 13.8%
Visited doctor (checkup) 60.0%
Visited dentist 56.8%
Cholesterol screening 77.1%
Teeth loss 12.0%
Veterans & disability
Veterans Count %
Civilian veterans 1,022 2.9%
Disability %
Any disability 8.8%
Under 18 2.0%
18–64 years 8.0%
65 and over 27.1%
Health insurance coverage
Type %
Private insurance 80.0%
Public insurance 18.8%
No insurance 6.6%
Uninsured under 19 2.8%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 37,235 97.5%
Spanish 1,047 2.8%
Other Indo-European 213 0.6%
Asian & Pacific Islander 228 0.6%
Other languages 400 1.1%
Place of birth & citizenship
Origin Count %
Native born (US) 35,925 94.0%
Born in same state 35,435 92.8%
Born in different state 15,923 41.7%
Foreign born 490 1.3%
Naturalized citizen 2,275 6.0%
Not a US citizen 598 26.3%
Ancestry
Ancestry Count %
Italian 4,389 11.5%
French 4,143 10.8%
Polish 1,023 2.7%
Arab 880 2.3%
English 506 1.3%
Ancestry Count %
German 275 0.7%
Dutch 255 0.7%
Irish 119 0.3%
Norwegian 116 0.3%
Technology access
Metric % of households
Computer access 38.1%
Internet access 98.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 80521
What city is ZIP code 80521 in?
ZIP code 80521 is primarily assigned to Fort Collins, Colorado.
What county is ZIP code 80521 in?
ZIP code 80521 falls within Larimer County, Colorado.
What is the poverty rate in ZIP code 80521?
32% of residents in ZIP code 80521 live below the poverty line, above the national average.
How educated is the population of ZIP code 80521?
61% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Is ZIP code 80521 mostly rentals?
62% of occupied units in ZIP code 80521 are renter-occupied.
What is the typical home value in ZIP code 80521?
The median home value in ZIP code 80521 is $494,700.
What timezone is ZIP code 80521 in?
ZIP code 80521 observes the MST timezone.
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