🇺🇸 United States ZIP Code

STANDARD

85621

Nogales

ZIP Code 85621 is a standard zip code serving Nogales, Nogales, Arizona (AZ), in Santa Cruz County, United States. It has an estimated population of 23,054 with a median household income of $26,525. The area falls within the America/Phoenix timezone.

Median Household Income vs. National Average

Location

Country: 🇺🇸 United States
State / Province: Arizona (AZ)
County: Santa Cruz
City: Nogales
Timezone: America/Phoenix

Coordinates

Latitude: 31.377000
Longitude: -110.943500

Geographic Details

Land Area: 282.26 mi²
Water Area: 0.52 mi²
Population Density: 82.0 people per mi² (50th percentile)
Bounding Box: 31.553329°N, 31.332177°S, -110.760637°E, -111.366890°W

With 23,054 residents spread across 282.26 square miles, this area has a population density of 82.0 people per square mile.

Demographics

23,054

Population

80th percentile

$26,525

Median Income

5th percentile

$121,300

Median Home Value

45th percentile

282.26 mi²

Land Area

The median household income in 85621 is $26,525, and the median home value is $121,300. This is below the national average for household income.

Housing

8,065

Total Units

7,297

Occupied Units

90.5%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Nogales, AZ.

85628

Nogales

85662

Nogales

Similar ZIP Codes in Arizona

ZIP codes with similar median household income in Arizona.

86444

Meadview

$25,032

86535

Dennehotso

$22,361

86020

Cameron

$21,944

86039

Kykotsmovi Village

$22,237

85325

Bouse

$28,925

85542

Peridot

$30,673

85606

Cochise

$27,406

86042

Polacca

$29,500

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.