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🇺🇸 United States ZIP Code

STANDARD

80521

Fort Collins

ZIP Code 80521 is a standard zip code serving Fort Collins, Fort Collins, Colorado (CO), in Larimer County, United States. It has an estimated population of 33,409 with a median household income of $37,942. The area falls within the America/Denver timezone.

Median Household Income vs. National Average

$0 National: $37,585 $150K+ $37,942

Location

Country
🇺🇸 United States
State / Province
Colorado (CO)
County
Larimer
City
Fort Collins
Timezone
America/Denver

Coordinates

Latitude
40.581300
Longitude
-105.103900

Geographic Details

Land Area
14.19 mi²
Water Area
0.44 mi²
Population Density
2354.0 people per mi² (85th percentile)
Bounding Box
40.629737°N, 40.561974°S, -105.077068°E, -105.173954°W

With 33,409 residents spread across 14.19 square miles, this area has a population density of 2354.0 people per square mile.

Demographics

33,409

Population

90th percentile

$37,942

Median Income

20th percentile

$232,300

Median Home Value

80th percentile

14.19 mi²

Land Area

The median household income in 80521 is $37,942, and the median home value is $232,300. This is below the national average for household income.

Housing

13,059

Total Units

12,426

Occupied Units

95.2%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Fort Collins, CO.

80522

Fort Collins

 80523

Fort Collins

 80524

Fort Collins

 80525

Fort Collins

 80526

Fort Collins

 80527

Fort Collins

 80528

Fort Collins

 80553

Fort Collins

Similar ZIP Codes in Colorado

ZIP codes with similar median household income in Colorado.

80010

Aurora

$32,527

 80011

Aurora

$40,748

 80012

Aurora

$40,989

 80030

Westminster

$39,494

 80110

Englewood

$41,793

 80203

Denver

$41,999

 80214

Denver

$37,211

 80219

Denver

$39,659

Frequently Asked Questions

What information is available for each ZIP code?
Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).
What are the different types of ZIP codes?
There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.
How often is ZIP code data updated?
ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.
What is population density and why does it matter?
Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.
How are ZIP code boundaries determined?
ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.
What does median household income tell me about a ZIP code?
Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.