93257 ZIP Code — Porterville, CA

Tulare County, California

ZIP code 93257 is located in Porterville, California, within Tulare County. It covers approximately 378.87 square miles and serves a population of 79,217 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 559.

About ZIP code 93257

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 $250,100. Owner-occupancy sits near the national average at 56%.

Median household income is $54,889. Poverty affects 20% of residents, above the national average. SNAP benefit usage at 25% of households reflects economic stress in the area.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.

College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include Spanish spoken in 30% of households.

Overall, ZIP code 93257 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.

79,217

population

378.87

sq mi land

Standard

ZIP type

Pacific (PT)

timezone

93257 ZIP code map

Cities in ZIP code 93257

Below are the cities the US Postal Service accepts for ZIP code 93257. Using any city not on this list may result in mail delivery delays.

City	Status
Porterville	Acceptable
Porterville	Preferred

Nearby ZIP codes

93207 California Hot Springs (6.7 mi) 93270 Terra Bella (10.4 mi) 93260 Posey (15.2 mi) 93267 Strathmore (15.9 mi) 93265 Springville (16.7 mi) 93287 Woody (18.4 mi) 93247 Lindsay (19.3 mi)

Demographics updated 06/2026

Population
Total population	79,217
Population density	209 / sq mi
State FIPS	06
County FIPS	107

Geography
Land area	378.87 sq mi
Water area	4.22 sq mi
Latitude	35.9944
Longitude	-118.8775
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	55.2%	47.4%	32.6%
$50k – $100k	26.2%	30.6%	27.7%
$100k – $200k	16.1%	18.0%	26.4%
Over $200k	2.5%	4.0%	13.3%

Demographics & statistics

79,217

Population

209

People per sq mi

31.3

Median age

$54,889

Median household income

$22,718

Per capita income

$250,100

Median home value

$1,057

Median monthly rent

56.1%

Home ownership

19.8%

Poverty rate

11.1%

Unemployment

14,754

Housing units

13.6%

Bachelor's or higher

Age distribution

Male Female

2,768

Under 5

2,642

2,949

5–9

2,814

4,181

10–14

3,990

3,490

15–19

3,330

3,337

20–24

3,185

5,355

25–34

5,110

5,608

35–44

5,352

4,096

45–54

3,909

1,968

55–59

1,877

2,116

60–64

2,019

2,688

65–74

2,565

1,417

75–84

1,353

562

85+

536

← Male

Female →

Age summary

Group	Count	%
Under 18	23,865	30.1%
18 and over	55,352	69.9%
65 and over	9,121	11.5%
Median age	31.3 years

Race & ethnicity

White 34.6%

Hispanic or Latino 29.4%

Other race 16.5%

Two or more races 14.4%

Asian 2.5%

American Indian / Alaska Native 1.9%

Native Hawaiian / Pacific Islander 0.4%

Black or African American 0.3%

Group	Count	%
White	38,848	34.6%
Hispanic or Latino	32,919	29.4%
Other race	18,462	16.5%
Two or more races	16,189	14.4%
Asian	2,761	2.5%
American Indian / Alaska Native	2,140	1.9%
Native Hawaiian / Pacific Islander	444	0.4%
Black or African American	373	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	55.2%	47.4%	32.6%
$50k – $100k	26.2%	30.6%	27.7%
$100k – $200k	16.1%	18.0%	26.4%
Over $200k	2.5%	4.0%	13.3%

Under $10k 6.1%

$10k–$15k 4.7%

$15k–$25k 8.9%

$25k–$35k 12.3%

$35k–$50k 13.4%

$50k–$75k 19.0%

$75k–$100k 11.4%

$100k–$150k 14.7%

$150k–$200k 5.8%

$200k+ 3.7%

Range	% of households
Under $10k	6.1%
$10k–$15k	4.7%
$15k–$25k	8.9%
$25k–$35k	12.3%
$35k–$50k	13.4%
$50k–$75k	19.0%
$75k–$100k	11.4%
$100k–$150k	14.7%
$150k–$200k	5.8%
$200k+	3.7%
Median income	$54,889

Housing

Home values

Under $50k 6.4%

$50k–$100k 3.8%

$100k–$150k 7.3%

$150k–$200k 14.5%

$200k–$300k 37.0%

$300k–$500k 25.2%

$500k–$1M 5.2%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$250,100
Median rent / month	$1,057
Owner occupied	56.1%
Renter occupied	43.9%
Vacant	5.8%
Single-family detached	68.7%
Large apartment buildings	6.3%
Mobile homes	9.7%
Median rooms	5.1
Avg household size (owned)	3.34

Year built

Era	%
2020 or later	0.2%
2010–2019	3.9%
2000–2009	13.1%
1990–1999	15.8%
1980–1989	14.8%
1970–1979	16.9%
1960–1969	12.2%
1950–1959	11.8%
1940–1949	4.8%
1939 or earlier	6.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.8%
1 bedroom	7.7%
2 bedrooms	27.7%
3 bedrooms	46.5%
4 bedrooms	14.8%
5+ bedrooms	1.5%

Vehicles per household

Vehicles	% of households
No vehicle	6.7%
1 vehicle	27.5%
2 vehicles	37.9%
3 or more	27.9%

Heating fuel

Fuel type	%
Utility gas	69.4%
Electricity	22.3%
Propane / LP gas	4.7%
Wood	1.5%
Solar	0.8%
No fuel used	1.0%

Households & families

Household type	Count	%
Married-couple family	11,659	49.2%
Cohabiting couple	2,406	10.2%
Male householder, no spouse	3,796	16.0%
Female householder, no spouse	5,831	24.6%
Households with children under 18	11,078	46.8%
Households with seniors (65+)	6,319	26.7%
Average household size	3.27

Marital status

Status	Male	Female
Never married	41.2%	37.8%
Married	46.2%	43.7%
Separated	2.1%	2.1%
Widowed	3.3%	6.7%
Divorced	7.2%	9.8%

Education

Less than 9th grade 19.7%

Some HS, no diploma 12.1%

HS graduate 24.9%

Some college, no degree 22.0%

Associate's degree 7.6%

Bachelor's degree 8.8%

Graduate / professional 4.8%

Metric	%
HS diploma or higher	68.2%
Bachelor's or higher	13.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	781	3.2%
Kindergarten	1,428	5.8%
Elementary school	11,020	44.7%
High school	6,131	24.9%
College / grad school	5,298	21.5%

Employment

Industry of employment

Education & healthcare 24.0%

Agriculture & mining 19.6%

Retail trade 11.4%

Arts, food & hospitality 7.8%

Professional & management 6.6%

Public administration 6.4%

Other services 5.3%

Manufacturing 4.9%

Transportation & utilities 4.8%

Construction 3.9%

Finance & real estate 2.4%

Wholesale trade 2.0%

Information 0.9%

Occupation

Category	%
Management, business & arts	24.5%
Service	17.6%
Sales & office	18.7%
Natural resources & construction	23.7%
Production & transportation	15.4%

Employment type

Type	%
Private sector	73.1%
Government	20.8%
Self-employed	6.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.0%
Carpool	19.5%
Public transit	0.6%
Walk	1.7%
Work from home	2.6%
Other means	0.7%
Avg commute (minutes)	24.6

Poverty

All people 19.8%

Under 18 years 24.3%

18 and over 17.8%

Married-couple families 10.9%

Female-led households 30.5%

Income support

Source	% of households
Social Security	28.5%
Retirement income	18.8%
Supplemental Security	7.5%
Cash public assistance	7.7%
Food stamps / SNAP	25.2%

Health indicators

Condition	%
Obesity	36.3%
High blood pressure	30.4%
High cholesterol	30.1%
Diabetes	12.9%
Heart disease	6.8%
Stroke	3.6%
Asthma	11.5%
Arthritis	23.1%
Kidney disease	3.5%
Pulmonary disease	8.3%
Cancer	4.9%

Behavior / access	%
Smoking	18.1%
Binge drinking	17.1%
No physical activity	30.4%
Less than 7 hrs sleep	35.5%
Depression	19.5%
Fair or poor health	24.7%
Poor mental health	17.8%
Poor physical health	14.7%
No health insurance	23.0%
Visited doctor (checkup)	67.6%
Visited dentist	49.1%
Cholesterol screening	85.6%
Teeth loss	20.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,072	3.7%

Disability	%
Any disability	11.8%
Under 18	4.5%
18–64 years	10.7%
65 and over	38.4%

Health insurance coverage

Type	%
Private insurance	40.7%
Public insurance	59.7%
No insurance	7.1%
Uninsured under 19	1.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	73,807	93.2%
Spanish	21,888	29.7%
Other Indo-European	20,534	27.8%
Asian & Pacific Islander	139	0.2%
Other languages	878	1.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	58,224	73.5%
Born in same state	57,742	72.9%
Born in different state	52,601	66.4%
Foreign born	482	0.6%
Naturalized citizen	20,993	26.5%
Not a US citizen	8,314	39.6%

Ancestry

Ancestry	Count	%
French	2,844	3.6%
Italian	2,811	3.5%
Arab	1,711	2.2%
English	509	0.6%

Ancestry	Count	%
Polish	212	0.3%
German	188	0.2%
Dutch	10	0%

Technology access

Metric	% of households
Computer access	29.9%
Internet access	91.3%

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

Frequently asked questions about ZIP code 93257

What part of Porterville is ZIP code 93257?

ZIP code 93257 covers a portion of Porterville, California, within Tulare County.

What county is ZIP code 93257 in?

ZIP code 93257 falls within Tulare County, California.

Is Spanish widely spoken in ZIP code 93257?

Approximately 30% of households in ZIP code 93257 speak Spanish as a primary language.

Is ZIP code 93257 family-oriented?

30% of residents in ZIP code 93257 are under 18, reflecting a younger, family-oriented community.

What is the poverty rate in ZIP code 93257?

20% of residents in ZIP code 93257 live below the poverty line, above the national average.

How educated is the population of ZIP code 93257?

14% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What timezone is ZIP code 93257 in?

ZIP code 93257 observes the PST timezone.