93668 ZIP Code — Tranquillity, CA

Fresno County, California

ZIP code 93668 is located in Tranquillity, California, within Fresno County. It covers approximately 47.57 square miles and serves a population of 1,025 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 559.

About ZIP code 93668

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $324,100. Owner-occupancy sits near the national average at 60%.

Median household income is $54,963.

The dominant occupation class is natural resources, construction, and trades, with agriculture and mining as the leading industry. The average commute of 20 minutes is near the national average.

College attainment at 9% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of diabetes (16%), smoking (20%) compared to national benchmarks.

Notable community characteristics include Spanish spoken in 24% of households.

1,025
population
47.57
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
93668 ZIP code map
Cities in ZIP code 93668

Below are the cities the US Postal Service accepts for ZIP code 93668. Using any city not on this list may result in mail delivery delays.

City Status
Tranquillity Preferred
Nearby ZIP codes
93630 Kerman (6.7 mi) 93660 San Joaquin (7.9 mi) 93608 Cantua Creek (9.8 mi) 93640 Mendota (17.6 mi) 93637 Madera (18.5 mi) 93622 Firebaugh (19 mi)
Demographics updated 06/2026
Population
Total population 1,025
Population density 22 / sq mi
State FIPS 06
County FIPS 019
Geography
Land area 47.57 sq mi
Water area 0.44 sq mi
Latitude 36.6685
Longitude -120.2967
Timezone Pacific (PT)
Area code 559
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 49.8% 44.6% 32.6%
$50k – $100k 21.7% 29.2% 27.7%
$100k – $200k 20.4% 20.5% 26.4%
Over $200k 8.1% 5.8% 13.3%

Demographics & statistics

1,025
Population
22
People per sq mi
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
38
Under 5
33
19
5–9
17
38
10–14
33
65
15–19
57
23
20–24
20
42
25–34
38
93
35–44
82
50
45–54
44
46
55–59
40
23
60–64
20
96
65–74
85
12
75–84
11
← Male
Female →

Age summary

GroupCount%
Under 1827126.4%
18 and over75473.6%
65 and over20419.9%
Median age41.3 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%
GroupCount%
Hispanic or Latino69340.3%
Other race56032.6%
White33119.3%
Two or more races1337.7%
American Indian / Alaska Native10.1%

Household income

Income range This ZIP County avg State avg
Under $50k 49.8% 44.6% 32.6%
$50k – $100k 21.7% 29.2% 27.7%
$100k – $200k 20.4% 20.5% 26.4%
Over $200k 8.1% 5.8% 13.3%
$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–$15k5.2%
$35k–$50k34.0%
$50k–$75k28.5%
$75k–$100k7.8%
$100k–$150k11.3%
$150k–$200k5.2%
$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

MetricValue
Median home value$324,100
Median rent / month$1,272
Owner occupied60.2%
Renter occupied39.8%
Vacant4.6%
Single-family detached100.0%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms5.3
Avg household size (owned)3.17

Year built

Era%
2020 or later0.0%
2010–20190.0%
2000–20090.0%
1990–19994.9%
1980–198917.3%
1970–197932.4%
1960–19697.1%
1950–195923.8%
1940–19490.0%
1939 or earlier14.5%

Bedrooms

Size% of units
No bedroom (studio)6.2%
1 bedroom0.0%
2 bedrooms9.9%
3 bedrooms62.0%
4 bedrooms21.9%
5+ bedrooms0.0%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle31.7%
2 vehicles43.4%
3 or more24.9%

Heating fuel

Fuel type%
Utility gas49.2%
Electricity47.6%
Propane / LP gas3.2%

Households & families

Household typeCount%
Married-couple family21770.2%
Cohabiting couple309.7%
Male householder, no spouse206.5%
Female householder, no spouse4213.6%
Households with children under 1811938.5%
Households with seniors (65+)10734.6%
Average household size3.29

Marital status

StatusMaleFemale
Never married46.4%33.3%
Married53.6%52.2%
Separated0.0%2.4%
Widowed0.0%3.9%
Divorced0.0%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 higher69.2%
Bachelor's or higher9.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school9134.9%
High school12849.0%
College / grad school4216.1%

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 & arts31.9%
Service0.6%
Sales & office14.9%
Natural resources & construction42.0%
Production & transportation10.6%

Employment type

Type%
Private sector85.6%
Government11.8%
Self-employed2.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone70.6%
Carpool11.0%
Public transit0.0%
Walk0.0%
Work from home18.3%
Other means0.0%
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 Security29.8%
Retirement income26.9%
Supplemental Security0.0%
Cash public assistance4.2%
Food stamps / SNAP13.6%

Health indicators

Condition%
Obesity40.6%
High blood pressure34.4%
High cholesterol32.9%
Diabetes16.4%
Heart disease8.4%
Stroke4.4%
Asthma11.8%
Arthritis26.2%
Kidney disease4.3%
Pulmonary disease10.1%
Cancer5.1%
Behavior / access%
Smoking20.4%
Binge drinking16.1%
No physical activity37.9%
Less than 7 hrs sleep34.4%
Depression21.2%
Fair or poor health32.3%
Poor mental health18.3%
Poor physical health18.2%
No health insurance30.5%
Visited doctor (checkup)65.6%
Visited dentist41.3%
Cholesterol screening85.3%
Teeth loss25.3%

Veterans & disability

VeteransCount%
Civilian veterans7910.5%
Disability%
Any disability5.1%
Under 187.0%
18–64 years6.0%
65 and over0.0%

Health insurance coverage

Type%
Private insurance31.9%
Public insurance66.8%
No insurance6.8%
Uninsured under 190.7%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only95493.1%
Spanish22523.6%
Other Indo-European22523.6%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)73271.4%
Born in same state73271.4%
Born in different state60458.9%
Foreign born00.0%
Naturalized citizen29328.6%
Not a US citizen12944.0%

Ancestry

AncestryCount%
Italian898.7%
AncestryCount%
Dutch20.2%

Technology access

Metric% of households
Computer access30.1%
Internet access100.0%

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

Frequently asked questions about ZIP code 93668

What city is ZIP code 93668 in?

ZIP code 93668 is primarily assigned to Tranquillity, California.

What county is ZIP code 93668 in?

ZIP code 93668 falls within Fresno County, California.

How educated is the population of ZIP code 93668?

9% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is Spanish widely spoken in ZIP code 93668?

Approximately 24% of households in ZIP code 93668 speak Spanish as a primary language.

Does ZIP code 93668 have a large veteran population?

11% of civilians in ZIP code 93668 are veterans, above the national average of ~7%.

What are the health statistics for ZIP code 93668?

Health data for ZIP code 93668 shows elevated rates of diabetes (16%) and smoking (20%) compared to national benchmarks.

What timezone is ZIP code 93668 in?

ZIP code 93668 observes the PST timezone.

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