85621 ZIP Code — Nogales, AZ

Santa Cruz County, Arizona

ZIP code 85621 is located in Nogales, Arizona, within Santa Cruz County. It covers approximately 284.93 square miles and serves a population of 21,421 residents. This is a standard ZIP code in the Mountain (MT) — no DST timezone, served by area code 520.

About ZIP code 85621

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 $163,000. Owner-occupancy sits near the national average at 49%.

Median household income is $37,004. Poverty affects 27% of residents, above the national average. SNAP benefit usage at 32% of households reflects economic stress in the area. 35% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (18%) compared to national benchmarks. 21% of residents lack health insurance, above the national average.

Notable community characteristics include Spanish spoken in 47% of households.

Overall, ZIP code 85621 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

21,421

population

284.93

sq mi land

Standard

ZIP type

Mountain (MT) — no DST

timezone

85621 ZIP code map

Cities in ZIP code 85621

Below are the cities the US Postal Service accepts for ZIP code 85621. Using any city not on this list may result in mail delivery delays.

City	Status
Nogales	Acceptable
Nogales	Preferred

Nearby ZIP codes

85648 Rio Rico (3.8 mi) 85640 Tumacacori (12.4 mi) 85637 Sonoita (19.3 mi)

Demographics updated 06/2026

Population
Total population	21,421
Population density	75 / sq mi
State FIPS	04
County FIPS	023

Geography
Land area	284.93 sq mi
Water area	0.49 sq mi
Latitude	31.4643
Longitude	-110.9944
Timezone	Mountain (MT) — no DST
Area code	520

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	70.2%	56.5%	40.6%
$50k – $100k	20.8%	27.0%	31.9%
$100k – $200k	6.8%	12.7%	21.1%
Over $200k	2.2%	3.8%	6.4%

Demographics & statistics

21,421

Population

People per sq mi

36.9

Median age

$37,004

Median household income

$22,349

Per capita income

$163,000

Median home value

$661

Median monthly rent

49.1%

Home ownership

26.7%

Poverty rate

12.8%

Unemployment

4,555

Housing units

17.3%

Bachelor's or higher

Age distribution

Male Female

567

Under 5

621

631

5–9

691

752

10–14

824

984

15–19

1,079

631

20–24

691

1,322

25–34

1,449

1,151

35–44

1,262

1,171

45–54

1,284

580

55–59

635

515

60–64

564

1,019

65–74

1,117

661

75–84

725

236

85+

259

← Male

Female →

Age summary

Group	Count	%
Under 18	5,327	24.9%
18 and over	16,094	75.1%
65 and over	4,017	18.8%
Median age	36.9 years

Race & ethnicity

Hispanic or Latino 33.9%

White 29.9%

Two or more races 28.7%

Other race 6.7%

American Indian / Alaska Native 0.4%

Black or African American 0.3%

Asian 0.1%

Group	Count	%
Hispanic or Latino	10,987	33.9%
White	9,685	29.9%
Two or more races	9,292	28.7%
Other race	2,167	6.7%
American Indian / Alaska Native	122	0.4%
Black or African American	110	0.3%
Asian	45	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	70.2%	56.5%	40.6%
$50k – $100k	20.8%	27.0%	31.9%
$100k – $200k	6.8%	12.7%	21.1%
Over $200k	2.2%	3.8%	6.4%

Under $10k 9.1%

$10k–$15k 10.1%

$15k–$25k 13.3%

$25k–$35k 14.7%

$35k–$50k 12.7%

$50k–$75k 18.2%

$75k–$100k 7.9%

$100k–$150k 8.3%

$150k–$200k 2.3%

$200k+ 3.4%

Range	% of households
Under $10k	9.1%
$10k–$15k	10.1%
$15k–$25k	13.3%
$25k–$35k	14.7%
$35k–$50k	12.7%
$50k–$75k	18.2%
$75k–$100k	7.9%
$100k–$150k	8.3%
$150k–$200k	2.3%
$200k+	3.4%
Median income	$37,004

Housing

Home values

Under $50k 5.1%

$50k–$100k 17.4%

$100k–$150k 19.9%

$150k–$200k 22.9%

$200k–$300k 17.3%

$300k–$500k 10.2%

$500k–$1M 5.9%

$1M+ 1.3%

Housing overview

Metric	Value
Median home value	$163,000
Median rent / month	$661
Owner occupied	49.1%
Renter occupied	50.9%
Vacant	11.1%
Single-family detached	57.1%
Large apartment buildings	2.7%
Mobile homes	8.3%
Median rooms	4.9
Avg household size (owned)	2.98

Year built

Era	%
2020 or later	0.4%
2010–2019	3.8%
2000–2009	8.4%
1990–1999	9.3%
1980–1989	17.3%
1970–1979	29.4%
1960–1969	14.0%
1950–1959	9.9%
1940–1949	1.3%
1939 or earlier	6.3%

Bedrooms

Size	% of units
No bedroom (studio)	7.2%
1 bedroom	10.8%
2 bedrooms	29.0%
3 bedrooms	39.6%
4 bedrooms	11.8%
5+ bedrooms	1.6%

Vehicles per household

Vehicles	% of households
No vehicle	11.5%
1 vehicle	29.8%
2 vehicles	33.1%
3 or more	25.6%

Heating fuel

Fuel type	%
Utility gas	47.9%
Electricity	45.8%
Propane / LP gas	3.4%
Wood	0.1%
Solar	0.3%
No fuel used	2.4%

Households & families

Household type	Count	%
Married-couple family	3,099	41.9%
Cohabiting couple	386	5.2%
Male householder, no spouse	1,175	15.9%
Female householder, no spouse	2,730	36.9%
Households with children under 18	2,541	34.4%
Households with seniors (65+)	3,003	40.6%
Average household size	2.86

Marital status

Status	Male	Female
Never married	42.5%	29.0%
Married	46.0%	37.6%
Separated	1.6%	5.4%
Widowed	1.3%	12.0%
Divorced	8.5%	16.1%

Education

Less than 9th grade 16.2%

Some HS, no diploma 14.9%

HS graduate 24.8%

Some college, no degree 20.2%

Associate's degree 6.5%

Bachelor's degree 11.2%

Graduate / professional 6.1%

Metric	%
HS diploma or higher	68.9%
Bachelor's or higher	17.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	231	4.4%
Kindergarten	278	5.3%
Elementary school	2,247	43.2%
High school	1,495	28.7%
College / grad school	952	18.3%

Employment

Industry of employment

Education & healthcare 18.4%

Retail trade 15.7%

Transportation & utilities 13.1%

Public administration 7.3%

Other services 7.2%

Manufacturing 7.1%

Construction 6.6%

Wholesale trade 5.8%

Arts, food & hospitality 5.3%

Professional & management 5.2%

Agriculture & mining 3.9%

Information 2.4%

Finance & real estate 2.1%

Occupation

Category	%
Management, business & arts	22.7%
Service	17.8%
Sales & office	27.2%
Natural resources & construction	8.0%
Production & transportation	24.3%

Employment type

Type	%
Private sector	75.4%
Government	15.9%
Self-employed	7.8%
Unpaid family workers	0.8%

Commute

Method	%
Drive alone	74.0%
Carpool	12.9%
Public transit	1.7%
Walk	1.5%
Work from home	4.7%
Other means	5.3%
Avg commute (minutes)	20.0

Poverty

All people 26.7%

Under 18 years 35.9%

18 and over 23.7%

Married-couple families 13.5%

Female-led households 37.5%

Income support

Source	% of households
Social Security	35.1%
Retirement income	15.0%
Supplemental Security	8.3%
Cash public assistance	3.9%
Food stamps / SNAP	31.6%

Health indicators

Condition	%
Obesity	37.0%
High blood pressure	35.8%
High cholesterol	34.6%
Diabetes	17.7%
Heart disease	7.6%
Stroke	4.0%
Asthma	10.1%
Arthritis	22.7%
Kidney disease	4.6%
Pulmonary disease	6.9%
Cancer	4.9%

Behavior / access	%
Smoking	16.9%
Binge drinking	11.8%
No physical activity	35.2%
Less than 7 hrs sleep	32.6%
Depression	18.5%
Fair or poor health	28.1%
Poor mental health	15.7%
Poor physical health	15.9%
No health insurance	36.4%
Visited doctor (checkup)	70.2%
Visited dentist	48.5%
Cholesterol screening	86.8%
Teeth loss	18.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	480	3.0%

Disability	%
Any disability	13.1%
Under 18	5.7%
18–64 years	8.0%
65 and over	37.7%

Health insurance coverage

Type	%
Private insurance	29.5%
Public insurance	55.0%
No insurance	21.1%
Uninsured under 19	12.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	20,233	94.5%
Spanish	9,540	47.2%
Other Indo-European	9,484	46.9%
Asian & Pacific Islander	27	0.1%
Other languages	29	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,944	55.8%
Born in same state	11,651	54.4%
Born in different state	9,908	46.3%
Foreign born	293	1.4%
Naturalized citizen	9,477	44.2%
Not a US citizen	5,123	54.1%

Ancestry

Ancestry	Count	%
Italian	186	0.9%
French	147	0.7%
Arab	140	0.7%

Ancestry	Count	%
English	106	0.5%
Polish	15	0.1%
Dutch	4	0%

Technology access

Metric	% of households
Computer access	34.5%
Internet access	84.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 85621

What city is ZIP code 85621 in?

ZIP code 85621 is primarily assigned to Nogales, Arizona.

What county is ZIP code 85621 in?

ZIP code 85621 falls within Santa Cruz County, Arizona.

Is Spanish widely spoken in ZIP code 85621?

Approximately 47% of households in ZIP code 85621 speak Spanish as a primary language.

What is the poverty rate in ZIP code 85621?

27% of residents in ZIP code 85621 live below the poverty line, above the national average.

Does ZIP code 85621 have a large retiree population?

35% of households in ZIP code 85621 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 85621?

The median home value in ZIP code 85621 is $163,000.

What timezone is ZIP code 85621 in?

ZIP code 85621 observes the MST timezone.