Zip Code 85621
Nogales, Arizona — Santa Cruz County
📍 ZIP code 85621 is in Nogales, Santa Cruz County, Arizona.
ZIP code 85621 is located in Nogales, Santa Cruz County, Arizona. It is a zip code in the Mountain (MST) Time Zone with an estimated population of 21,512. The area code for ZIP code 85621 is 928.
Quick Answer
Zip code 85621 is in Nogales, Arizona (Santa Cruz County). It has a population of 21,512, median household income of $41,309, and median home value of $173,600.
Population
21,512
Income
$41,309
Home Value
$173,600
Climate
94°F / 34°F
About Zip Code 85621
Zip code 85621 is located in Nogales, Arizona, within Santa Cruz County. Home to approximately 21,512 residents, this area sits at an elevation of 4010 ft and falls within the Mountain (MST) timezone. The local area code is 928.
The median household income is $41,309 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $173,600, and the cost of living index is 60 (40% below the national average of 100).
Summers average a high of 94°F while winters drop to 34°F. The area receives about 15 in of rain annually. The zip code covers 281.8 square miles of land area and 0.5 square miles of water.
Key Statistics
21,512
$41,309
$173,600
Mountain (MST)
928
4010 ft
281.8 sq mi
37.5
8,244
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Compare With Nearby Zip Codes
Cost of Living
100 = National Average. Nogales's cost of living is 40% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
4.2x
Demographics
Zip code 85621 has a population of 21,512 people with a median age of 37.5. There are 8,244 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Nogales (85621) population trend from 2010 to 2024
↑ 17.2%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
94°F
34°F
15 in
0 in
Nogales experiences hot summers with average highs around 94°F. Winters are mild with lows averaging 34°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$173,600
Median Household Income
$41,309
With 8,244 housing units across 281.8 square miles, 85621 has a housing density of 29 units per square mile. The home price-to-income ratio is 4.2x.
Location & Geography
Latitude
31.3880°
Longitude
-110.9120°
Land Area
281.8 sq mi
Water Area
0.5 sq mi
Nearby Zip Codes
Zip codes closest to 85621 (Nogales, AZ) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 85621's $41,309. A way to compare Nogales to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 85621 (Nogales, AZ). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Nogales, Arizona?
Nogales, Arizona uses zip code 85621.
What county is zip code 85621 in?
Zip code 85621 is located in Santa Cruz County, Arizona.
What is the population of zip code 85621?
The population of zip code 85621 is 21,512 with a median age of 37.5.
Is 85621 in Nogales, Arizona?
Yes, zip code 85621 is in Nogales, Santa Cruz County, Arizona. The area code is 928.
Frequently Asked Questions
What city is zip code 85621 in?
Zip code 85621 is in Nogales, Arizona. It is part of Santa Cruz County and uses the Mountain (MST) timezone.
What is zip code 85621?
Zip code 85621 is a U.S. postal code in Nogales, Arizona (Santa Cruz County). It has a population of 21,512 and covers 281.8 square miles.
What is the population of zip code 85621?
The population of zip code 85621 (Nogales, AZ) is 21,512 with a median age of 37.5. There are approximately 8,244 housing units in this area.
What is the median income in zip code 85621?
The median household income in zip code 85621 (Nogales, AZ) is $41,309 per year. The cost of living index is 60 (100 = national average).
What is the average home price in zip code 85621?
The median home value in zip code 85621 (Nogales, AZ) is $173,600. The cost of living index is 60 compared to the national average of 100.
What county is zip code 85621 in?
Zip code 85621 is located in Santa Cruz County, Arizona. The primary city is Nogales.
What is the area code for zip code 85621?
Zip code 85621 in Nogales, AZ uses area code 928. It is located in the Mountain (MST) timezone.
Is zip code 85621 a good place to live?
Zip code 85621 (Nogales, AZ) has a cost of living index of 60 (100 = national average), a median household income of $41,309, and median home values of $173,600. The median age is 37.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 85621?
The cost of living index for zip code 85621 (Nogales, AZ) is 60, where 100 represents the national average. This area is below the national average. Median home value: $173,600.
What schools serve zip code 85621?
Zip code 85621 in Nogales, Arizona is served by the local school district of Santa Cruz County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.