85637 ZIP Code — Sonoita, AZ

Santa Cruz County, Arizona

ZIP code 85637 is located in Sonoita, Arizona, within Santa Cruz County. It covers approximately 124.57 square miles and serves a population of 1,219 residents. This is a standard ZIP code in the Mountain (MT) — no DST timezone, served by area code 520.

About ZIP code 85637

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $413,000. Owner-occupancy is high at 89%, well above the national average.

Median household income is $83,636. The poverty rate of 5% is below the national average. 58% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is service, with public administration as the leading industry. An above-average commute of 36 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.

Overall, ZIP code 85637 reflects a community defined by high homeownership and a significant Social Security-dependent population.

1,219

population

124.57

sq mi land

Standard

ZIP type

Mountain (MT) — no DST

timezone

85637 ZIP code map

Cities in ZIP code 85637

Below are the cities the US Postal Service accepts for ZIP code 85637. Using any city not on this list may result in mail delivery delays.

City	Status
Sonoita	Acceptable
Sonoita	Preferred

Nearby ZIP codes

85640 Tumacacori (10.4 mi) 85614 Green Valley (16 mi) 85624 Patagonia (16.5 mi) 85622 Green Valley (17.2 mi) 85621 Nogales (19.3 mi)

Demographics updated 06/2026

Population
Total population	1,219
Population density	10 / sq mi
State FIPS	04
County FIPS	023

Geography
Land area	124.57 sq mi
Water area	0.03 sq mi
Latitude	31.6851
Longitude	-110.7925
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	30.5%	56.5%	40.6%
$50k – $100k	31.1%	27.0%	31.9%
$100k – $200k	33.6%	12.7%	21.1%
Over $200k	4.8%	3.8%	6.4%

Demographics & statistics

1,219

Population

People per sq mi

60.3

Median age

$83,636

Median household income

$41,417

Per capita income

$413,000

Median home value

Median monthly rent

89.4%

Home ownership

5.2%

Poverty rate

11.4%

Unemployment

573

Housing units

33.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

167

65–74

148

109

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	194	15.9%
18 and over	1,025	84.1%
65 and over	520	42.7%
Median age	60.3 years

Race & ethnicity

White 92.9%

Hispanic or Latino 2.8%

Two or more races 2.7%

Black or African American 0.6%

American Indian / Alaska Native 0.5%

Other race 0.5%

Group	Count	%
White	1,165	92.9%
Hispanic or Latino	35	2.8%
Two or more races	34	2.7%
Black or African American	8	0.6%
American Indian / Alaska Native	6	0.5%
Other race	6	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.5%	56.5%	40.6%
$50k – $100k	31.1%	27.0%	31.9%
$100k – $200k	33.6%	12.7%	21.1%
Over $200k	4.8%	3.8%	6.4%

$10k–$15k 3.6%

$15k–$25k 4.6%

$25k–$35k 0.4%

$35k–$50k 15.7%

$50k–$75k 17.7%

$75k–$100k 22.1%

$100k–$150k 17.5%

$150k–$200k 11.4%

$200k+ 7.0%

Range	% of households
$10k–$15k	3.6%
$15k–$25k	4.6%
$25k–$35k	0.4%
$35k–$50k	15.7%
$50k–$75k	17.7%
$75k–$100k	22.1%
$100k–$150k	17.5%
$150k–$200k	11.4%
$200k+	7.0%
Median income	$83,636

Housing

Home values

$150k–$200k 8.5%

$200k–$300k 18.9%

$300k–$500k 42.8%

$500k–$1M 25.2%

$1M+ 4.7%

Housing overview

Metric	Value
Median home value	$413,000
Median rent / month	$0
Owner occupied	89.4%
Renter occupied	10.6%
Vacant	19.8%
Single-family detached	96.2%
Large apartment buildings	0.0%
Mobile homes	3.8%
Median rooms	5.5
Avg household size (owned)	2.47

Year built

Era	%
2020 or later	0.0%
2010–2019	16.0%
2000–2009	30.8%
1990–1999	8.1%
1980–1989	13.7%
1970–1979	16.5%
1960–1969	1.9%
1950–1959	2.9%
1940–1949	2.1%
1939 or earlier	8.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	9.1%
2 bedrooms	36.6%
3 bedrooms	43.3%
4 bedrooms	5.4%
5+ bedrooms	5.6%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	16.9%
2 vehicles	35.7%
3 or more	47.4%

Heating fuel

Fuel type	%
Utility gas	4.6%
Electricity	52.2%
Propane / LP gas	32.5%
Wood	9.4%
Solar	1.4%

Households & families

Household type	Count	%
Married-couple family	364	72.5%
Cohabiting couple	26	5.2%
Male householder, no spouse	94	18.7%
Female householder, no spouse	18	3.6%
Households with children under 18	71	14.1%
Households with seniors (65+)	316	62.9%
Average household size	2.40

Marital status

Status	Male	Female
Never married	22.5%	13.0%
Married	71.0%	77.2%
Separated	0.0%	0.0%
Widowed	6.4%	1.8%
Divorced	0.0%	7.9%

Education

Less than 9th grade 2.8%

Some HS, no diploma 3.2%

HS graduate 19.5%

Some college, no degree 26.3%

Associate's degree 14.8%

Bachelor's degree 18.8%

Graduate / professional 14.7%

Metric	%
HS diploma or higher	94.0%
Bachelor's or higher	33.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	4	2.1%
Kindergarten	30	15.4%
Elementary school	81	41.5%
High school	74	37.9%
College / grad school	6	3.1%

Employment

Industry of employment

Public administration 17.4%

Agriculture & mining 15.6%

Professional & management 14.4%

Manufacturing 9.6%

Other services 9.1%

Education & healthcare 8.6%

Arts, food & hospitality 8.1%

Construction 6.0%

Transportation & utilities 5.3%

Finance & real estate 5.3%

Retail trade 0.8%

Occupation

Category	%
Management, business & arts	27.5%
Service	34.8%
Sales & office	20.9%
Natural resources & construction	8.6%
Production & transportation	8.3%

Employment type

Type	%
Private sector	71.5%
Government	17.4%
Self-employed	11.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	66.0%
Carpool	21.3%
Public transit	2.1%
Walk	5.6%
Work from home	4.3%
Other means	0.8%
Avg commute (minutes)	35.5

Poverty

All people 5.2%

Under 18 years 8.9%

18 and over 4.5%

Married-couple families 1.6%

Female-led households 0.0%

Income support

Source	% of households
Social Security	58.0%
Retirement income	48.4%
Supplemental Security	4.8%
Cash public assistance	0.0%
Food stamps / SNAP	3.4%

Health indicators

Condition	%
Obesity	29.1%
High blood pressure	41.8%
High cholesterol	42.2%
Diabetes	12.9%
Heart disease	9.0%
Stroke	4.0%
Asthma	9.7%
Arthritis	31.3%
Kidney disease	4.1%
Pulmonary disease	8.8%
Cancer	9.7%

Behavior / access	%
Smoking	13.8%
Binge drinking	11.7%
No physical activity	19.7%
Less than 7 hrs sleep	28.7%
Depression	19.0%
Fair or poor health	15.2%
Poor mental health	12.1%
Poor physical health	12.2%
No health insurance	11.2%
Visited doctor (checkup)	76.7%
Visited dentist	68.7%
Cholesterol screening	94.9%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	72	7.0%

Disability	%
Any disability	15.2%
Under 18	0.0%
18–64 years	5.5%
65 and over	30.2%

Health insurance coverage

Type	%
Private insurance	70.4%
Public insurance	50.4%
No insurance	4.7%
Uninsured under 19	1.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,210	99.3%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,187	97.4%
Born in same state	1,159	95.1%
Born in different state	396	32.5%
Foreign born	28	2.3%
Naturalized citizen	32	2.6%
Not a US citizen	25	78.1%

Ancestry

Ancestry	Count	%
Italian	219	18%
French	137	11.2%
Arab	45	3.7%

Ancestry	Count	%
Polish	25	2.1%
Dutch	22	1.8%
English	9	0.7%

Technology access

Metric	% of households
Computer access	41.2%
Internet access	99.6%

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

Frequently asked questions about ZIP code 85637

What city is ZIP code 85637 in?

ZIP code 85637 is primarily assigned to Sonoita, Arizona.

What county is ZIP code 85637 in?

ZIP code 85637 falls within Santa Cruz County, Arizona.

Does ZIP code 85637 have an older population?

43% of residents in ZIP code 85637 are 65 or older, above the national average of ~17%.

Does ZIP code 85637 have a large retiree population?

58% of households in ZIP code 85637 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 85637 mostly owner-occupied?

89% of occupied units in ZIP code 85637 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 85637?

The median home value in ZIP code 85637 is $413,000.

What timezone is ZIP code 85637 in?

ZIP code 85637 observes the MST timezone.