Tranquillity ZIP Codes — Fresno County, CA

There is one unique ZIP code in Tranquillity, California and it is 93668. Area code: 559.

ZIP codes

47.57

sq mi land

0.44

sq mi water

559

area code

Tranquillity, CA ZIP code map

About Tranquillity, CA

Tranquillity, California, is a small yet vibrant community located in the heart of Fresno County. Known for its picturesque rural setting, this city offers a peaceful lifestyle with a close-knit community feel. Tranquillity is characterized by its agricultural roots and serves as a quiet retreat from the hustle and bustle of city life.

Location & geography

Tranquillity is centrally located in California's San Joaquin Valley, approximately 27 miles southwest of the city of Fresno. The city is surrounded by several nearby communities, including Kerman to the north, Mendota to the west, and El Nido to the east. The land area of Tranquillity spans 47.57 square miles, while its water area covers 0.44 square miles, showcasing a predominately dry terrain with fertile agricultural lands.

Community & economy

The community of Tranquillity is known for its agricultural industry, with many residents engaged in farming and ranching. Daily life in Tranquillity revolves around a strong sense of community, where neighbors come together for local events and support one another. The small-town charm is present in the local businesses and schools that foster a welcoming atmosphere for families and visitors alike.

Transportation

Tranquillity is conveniently situated near California State Route 180, providing easy access to the larger Fresno metropolitan area. The nearest airport is Fresno Yosemite International Airport, located about 30 miles north, which offers regional and national flights. Public transportation options are limited, but local highways connect residents to nearby cities.

History

Tranquillity was established in the late 19th century, primarily as an agricultural community, which remains its key industry today. Over the years, the area has experienced gradual growth but has retained its rural charm and community-focused lifestyle. Notable events in Tranquillity's history include the establishment of local festivals that celebrate its agricultural heritage.

Did you know?

A little-known fact about Tranquillity is that it was named for the tranquility brought by its serene surroundings and agricultural landscapes. Despite its small size, the community hosts various local events, drawing visitors interested in experiencing its unique rural culture.

ZIP codes for Tranquillity, CA (1)

ZIP code	City	County	Map
93668	Tranquillity	Fresno	View map

Demographics & statistics

1,025

Population

41.3

Median age

$54,963

Median household income

$25,639

Per capita income

$324,100

Median home value

$1,272

Median monthly rent

60.2%

Home ownership

10.1%

Poverty rate

22.1%

Unemployment

201

Housing units

9.1%

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

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	271	26.4%
18 and over	754	73.6%
65 and over	204	19.9%
Median age	41.3 years

Race & ethnicity

Hispanic or Latino 40.3%

Other race 32.6%

White 19.3%

Two or more races 7.7%

American Indian / Alaska Native 0.1%

Group	Count	%
Hispanic or Latino	693	40.3%
Other race	560	32.6%
White	331	19.3%
Two or more races	133	7.7%
American Indian / Alaska Native	1	0.1%

Household income

$10k–$15k 5.2%

$35k–$50k 34.0%

$50k–$75k 28.5%

$75k–$100k 7.8%

$100k–$150k 11.3%

$150k–$200k 5.2%

$200k+ 8.1%

Range	% of households
$10k–$15k	5.2%
$35k–$50k	34.0%
$50k–$75k	28.5%
$75k–$100k	7.8%
$100k–$150k	11.3%
$150k–$200k	5.2%
$200k+	8.1%
Median income	$54,963

Housing

Home values

$50k–$100k 11.3%

$100k–$150k 10.8%

$150k–$200k 17.7%

$300k–$500k 55.4%

$500k–$1M 4.8%

Housing overview

Metric	Value
Median home value	$324,100
Median rent / month	$1,272
Owner occupied	60.2%
Renter occupied	39.8%
Vacant	4.6%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	5.3
Avg household size (owned)	3.17

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	4.9%
1980–1989	17.3%
1970–1979	32.4%
1960–1969	7.1%
1950–1959	23.8%
1940–1949	0.0%
1939 or earlier	14.5%

Bedrooms

Size	% of units
No bedroom (studio)	6.2%
1 bedroom	0.0%
2 bedrooms	9.9%
3 bedrooms	62.0%
4 bedrooms	21.9%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	31.7%
2 vehicles	43.4%
3 or more	24.9%

Heating fuel

Fuel type	%
Utility gas	49.2%
Electricity	47.6%
Propane / LP gas	3.2%

Households & families

Household type	Count	%
Married-couple family	217	70.2%
Cohabiting couple	30	9.7%
Male householder, no spouse	20	6.5%
Female householder, no spouse	42	13.6%
Households with children under 18	119	38.5%
Households with seniors (65+)	107	34.6%
Average household size	3.29

Marital status

Status	Male	Female
Never married	46.4%	33.3%
Married	53.6%	52.2%
Separated	0.0%	2.4%
Widowed	0.0%	3.9%
Divorced	0.0%	8.2%

Education

Less than 9th grade 26.2%

Some HS, no diploma 4.5%

HS graduate 37.7%

Some college, no degree 15.1%

Associate's degree 7.3%

Bachelor's degree 9.1%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	69.2%
Bachelor's or higher	9.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	91	34.9%
High school	128	49.0%
College / grad school	42	16.1%

Employment

Industry of employment

Agriculture & mining 38.8%

Education & healthcare 25.0%

Construction 11.5%

Manufacturing 10.3%

Transportation & utilities 6.0%

Other services 4.9%

Wholesale trade 2.9%

Arts, food & hospitality 0.6%

Occupation

Category	%
Management, business & arts	31.9%
Service	0.6%
Sales & office	14.9%
Natural resources & construction	42.0%
Production & transportation	10.6%

Employment type

Type	%
Private sector	85.6%
Government	11.8%
Self-employed	2.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	70.6%
Carpool	11.0%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	19.9

Poverty

All people 10.1%

Under 18 years 7.0%

18 and over 11.3%

Married-couple families 7.4%

Female-led households 27.8%

Income support

Source	% of households
Social Security	29.8%
Retirement income	26.9%
Supplemental Security	0.0%
Cash public assistance	4.2%
Food stamps / SNAP	13.6%

Health indicators

Condition	%
High blood pressure	34.4%
High cholesterol	32.9%
Heart disease	8.4%
Stroke	4.4%
Asthma	11.8%
Arthritis	26.2%
Kidney disease	4.3%
Pulmonary disease	10.1%
Cancer	5.1%

Behavior / access	%
Binge drinking	16.1%
No physical activity	37.9%
Less than 7 hrs sleep	34.4%
Fair or poor health	32.3%
Poor mental health	18.3%
Poor physical health	18.2%
No health insurance	30.5%
Visited doctor (checkup)	65.6%
Visited dentist	41.3%
Cholesterol screening	85.3%
Teeth loss	25.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	79	10.5%

Disability	%
Any disability	5.1%
Under 18	7.0%
18–64 years	6.0%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	31.9%
Public insurance	66.8%
Uninsured under 19	0.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	954	93.1%
Spanish	225	23.6%
Other Indo-European	225	23.6%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	732	71.4%
Born in same state	732	71.4%
Born in different state	604	58.9%
Foreign born	0	0.0%
Naturalized citizen	293	28.6%
Not a US citizen	129	44.0%

Ancestry

Ancestry	Count	%
Italian	89	8.7%

Ancestry	Count	%
Dutch	2	0.2%

Technology access

Metric	% of households
Computer access	30.1%
Internet access	100.0%

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

Frequently asked questions

What ZIP codes does Tranquillity, CA have?

Tranquillity, CA has one ZIP code: 93668. Each ZIP code serves a distinct delivery area within the city and surrounding region.