San Joaquin ZIP Code List — Fresno County, CA

There is one unique ZIP code in San Joaquin, California and it is 93660. Area code: 559.

ZIP codes

48.76

sq mi land

0.00

sq mi water

559

area code

San Joaquin, CA ZIP code map

About San Joaquin, CA

San Joaquin, California, is a small city located in Fresno County, known for its rich agricultural landscape. The city serves as a unique gateway to the vast fields of the Central Valley. With a calm and close-knit community atmosphere, it offers a small-town charm that attracts both residents and visitors alike.

Location & geography

San Joaquin is situated in the heart of California's Central Valley, surrounded by fertile farmland. It is approximately 15 miles northeast of the city of Fresno and 22 miles southwest of the town of Madera. The city covers a land area of 48.76 square miles, with no significant water bodies within its boundaries.

Community & economy

The character of San Joaquin is deeply rooted in agriculture, reflecting the surrounding farmlands that contribute significantly to the local economy. Common industries include farming and agriculture-related services, making it a hub for agricultural activity in the region. Daily life in San Joaquin is characterized by a strong sense of community, where local events and gatherings play a significant role in bringing residents together.

Transportation

San Joaquin is accessible via the major highways of California, notably State Route 99, which connects travelers to larger urban areas. The nearest airport is Fresno Yosemite International Airport, approximately 20 miles to the southeast. Public transportation options are limited, but residents rely on personal vehicles for commuting.

History

San Joaquin was incorporated as a city in the early 20th century and reflects a historical emphasis on agriculture as its key industry. The area has seen significant growth due to its fertile soil, making it an essential part of the Central Valley's agricultural production. Notable events in recent history have included community fairs that showcase local culture and agriculture.

Did you know?

One surprising fact about San Joaquin is that it has only one ZIP code, which is 93660. Additionally, despite its agricultural roots, the city maintains a close community spirit and actively engages in various local events.

ZIP codes for San Joaquin, CA (1)

ZIP code	City	County	Map
93660	San Joaquin	Fresno	View map

Demographics & statistics

3,921

Population

26.3

Median age

$53,085

Median household income

$17,764

Per capita income

$254,300

Median home value

$988

Median monthly rent

42.9%

Home ownership

31.6%

Poverty rate

17.3%

Unemployment

461

Housing units

2.4%

Bachelor's or higher

Age distribution

Male Female

208

Under 5

225

189

5–9

205

185

10–14

201

181

15–19

197

150

20–24

162

265

25–34

288

235

35–44

254

136

45–54

147

113

55–59

122

100

60–64

108

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,444	36.8%
18 and over	2,477	63.2%
65 and over	250	6.4%
Median age	26.3 years

Race & ethnicity

Hispanic or Latino 37.8%

Other race 30%

White 21.2%

Two or more races 8.7%

Black or African American 1.9%

American Indian / Alaska Native 0.5%

Group	Count	%
Hispanic or Latino	2,379	37.8%
Other race	1,888	30%
White	1,337	21.2%
Two or more races	548	8.7%
Black or African American	118	1.9%
American Indian / Alaska Native	30	0.5%

Household income

Under $10k 3.7%

$10k–$15k 6.8%

$15k–$25k 10.5%

$25k–$35k 16.3%

$35k–$50k 10.7%

$50k–$75k 22.9%

$75k–$100k 10.5%

$100k–$150k 6.0%

$150k–$200k 1.5%

$200k+ 11.2%

Range	% of households
Under $10k	3.7%
$10k–$15k	6.8%
$15k–$25k	10.5%
$25k–$35k	16.3%
$35k–$50k	10.7%
$50k–$75k	22.9%
$75k–$100k	10.5%
$100k–$150k	6.0%
$150k–$200k	1.5%
$200k+	11.2%
Median income	$53,085

Housing

Home values

Under $50k 2.3%

$50k–$100k 2.8%

$100k–$150k 7.4%

$150k–$200k 19.5%

$200k–$300k 34.0%

$300k–$500k 4.8%

$500k–$1M 9.4%

$1M+ 19.8%

Housing overview

Metric	Value
Median home value	$254,300
Median rent / month	$988
Owner occupied	42.9%
Renter occupied	57.1%
Vacant	6.8%
Single-family detached	67.1%
Large apartment buildings	0.0%
Mobile homes	5.9%
Median rooms	5.0
Avg household size (owned)	4.25

Year built

Era	%
2020 or later	0.0%
2010–2019	2.2%
2000–2009	13.3%
1990–1999	21.2%
1980–1989	19.7%
1970–1979	7.8%
1960–1969	14.9%
1950–1959	11.6%
1940–1949	1.3%
1939 or earlier	7.9%

Bedrooms

Size	% of units
No bedroom (studio)	3.2%
1 bedroom	5.5%
2 bedrooms	18.3%
3 bedrooms	53.5%
4 bedrooms	18.6%
5+ bedrooms	0.9%

Vehicles per household

Vehicles	% of households
No vehicle	4.8%
1 vehicle	29.8%
2 vehicles	39.3%
3 or more	26.0%

Heating fuel

Fuel type	%
Utility gas	43.8%
Electricity	54.0%
Propane / LP gas	2.2%

Households & families

Household type	Count	%
Married-couple family	608	66.2%
Cohabiting couple	39	4.2%
Male householder, no spouse	55	6.0%
Female householder, no spouse	216	23.5%
Households with children under 18	590	64.3%
Households with seniors (65+)	161	17.5%
Average household size	4.27

Marital status

Status	Male	Female
Never married	36.7%	36.0%
Married	61.5%	53.5%
Separated	0.8%	1.4%
Widowed	1.0%	3.5%
Divorced	0.0%	5.7%

Education

Less than 9th grade 34.9%

Some HS, no diploma 13.9%

HS graduate 24.6%

Some college, no degree 17.9%

Associate's degree 6.3%

Bachelor's degree 2.4%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	51.2%
Bachelor's or higher	2.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	28	2.1%
Kindergarten	87	6.5%
Elementary school	520	38.9%
High school	423	31.6%
College / grad school	279	20.9%

Employment

Industry of employment

Agriculture & mining 45.7%

Retail trade 10.5%

Education & healthcare 10.1%

Other services 8.3%

Arts, food & hospitality 5.8%

Wholesale trade 4.9%

Manufacturing 2.7%

Professional & management 2.4%

Public administration 2.2%

Finance & real estate 2.1%

Construction 1.9%

Transportation & utilities 1.8%

Information 1.5%

Occupation

Category	%
Management, business & arts	6.5%
Service	10.6%
Sales & office	22.6%
Natural resources & construction	44.6%
Production & transportation	15.7%

Employment type

Type	%
Private sector	88.9%
Government	8.7%
Self-employed	2.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.5%
Carpool	13.9%
Public transit	0.0%
Walk	0.8%
Other means	0.0%
Avg commute (minutes)	24.0

Poverty

All people 31.6%

Under 18 years 44.0%

18 and over 24.3%

Married-couple families 25.8%

Female-led households 46.6%

Income support

Source	% of households
Social Security	19.6%
Retirement income	5.2%
Supplemental Security	7.2%
Cash public assistance	4.2%
Food stamps / SNAP	30.9%

Health indicators

Condition	%
High blood pressure	27.5%
High cholesterol	24.9%
Heart disease	5.7%
Stroke	3.1%
Asthma	11.3%
Arthritis	19.0%
Kidney disease	3.4%
Pulmonary disease	6.4%
Cancer	3.2%

Behavior / access	%
Binge drinking	17.7%
No physical activity	37.5%
Less than 7 hrs sleep	34.7%
Fair or poor health	30.3%
Poor mental health	18.9%
Poor physical health	15.9%
No health insurance	34.5%
Visited doctor (checkup)	62.4%
Visited dentist	40.4%
Cholesterol screening	82.1%
Teeth loss	22.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	27	1.1%

Disability	%
Any disability	4.5%
Under 18	1.1%
18–64 years	3.5%
65 and over	33.2%

Health insurance coverage

Type	%
Private insurance	31.3%
Public insurance	71.4%
Uninsured under 19	1.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,488	89.0%
Spanish	1,593	45.7%
Other Indo-European	1,593	45.7%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,317	59.1%
Born in same state	2,317	59.1%
Born in different state	2,233	56.9%
Foreign born	0	0.0%
Naturalized citizen	1,604	40.9%
Not a US citizen	510	31.8%

Ancestry

Ancestry	Count	%
Italian	19	0.5%

Ancestry	Count	%
Dutch	12	0.3%

Technology access

Metric	% of households
Computer access	23.4%
Internet access	90.8%

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

Frequently asked questions

What is the ZIP code for San Joaquin, CA?

San Joaquin, CA has one ZIP code: 93660.

What is the main ZIP code for San Joaquin, CA?

The primary ZIP code for San Joaquin, CA is 93660. The city uses area code 559 for phone service.

What county is San Joaquin, CA in?

San Joaquin is located in Fresno County, California.

How many ZIP codes are in San Joaquin, CA?

San Joaquin, CA has 1 ZIP code.

What is the ZIP code for San Joaquin's downtown area and main commercial district?

San Joaquin's downtown area and primary commercial district are located in ZIP code 93660, which serves as the central hub for the city's business and municipal services.

Which single ZIP code covers all residential neighborhoods in San Joaquin, CA?

All residential neighborhoods and communities within San Joaquin are served by ZIP code 93660, reflecting the city's compact geography in Fresno County.