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🇺🇸 United States ZIP Code

STANDARD

81520

Clifton

ZIP Code 81520 is a standard zip code serving Clifton, Clifton, Colorado (CO), in Mesa County, United States. It has an estimated population of 13,447 with a median household income of $36,558. The area falls within the America/Denver timezone.

Median Household Income vs. National Average

$0 National: $37,585 $150K+ $36,558

Location

Country
🇺🇸 United States
State / Province
Colorado (CO)
County
Mesa
City
Clifton
Timezone
America/Denver

Coordinates

Latitude
39.080500
Longitude
-108.449600

Geographic Details

Land Area
20.66 mi²
Water Area
0.10 mi²
Population Density
651.0 people per mi² (75th percentile)
Bounding Box
39.162086°N, 39.055145°S, -108.322439°E, -108.482034°W

With 13,447 residents spread across 20.66 square miles, this area has a population density of 651.0 people per square mile.

Demographics

13,447

Population

70th percentile

$36,558

Median Income

20th percentile

$134,700

Median Home Value

50th percentile

20.66 mi²

Land Area

The median household income in 81520 is $36,558, and the median home value is $134,700. This is below the national average for household income.

Housing

5,359

Total Units

5,040

Occupied Units

94.0%

Occupancy Rate

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

 80204

Denver

$31,611

 80214

Denver

$37,211

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.