Postal Codes

93258 ZIP Code

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ZIP code 93258 covers Porterville, California, with a population of about 1,241 and a median household income of $51,214.

Population
1,2411,272 per square mile
Median age
30.78 points below the US average
Median household income
$51,21447% below the California median
Poverty rate
30%17.6 points above the US average
Median home value
$187,50073% below the California median
Median rent
$1,04347% below the California median
Degree or higher
4.7%30.3 points below the US average
Homeownership
42.6%22.4 points below the US average
Time zone
Pacific UTC-08:00observes daylight saving time
Businesses
8

Where 93258 is

Porterville, California — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population1,241
Median age30.7
Family households76.3%
Born outside the US52.5%
Speaks a language other than English at home80.7%
White (non-Hispanic)5.5%
Black (non-Hispanic)0%
Asian (non-Hispanic)15.6%
Hispanic or Latino79%
Veterans3.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$51,214
Income per person$17,382
Poverty rate30%
Households on SNAP or cash assistance41.1%

Household income distribution

Under $10k5.0%
$10–15k7.4%
$15–20k9.2%
$20–25k5.0%
$25–30k1.2%
$30–35k0.0%
$35–40k8.6%
$40–45k0.0%
$45–50k8.6%
$50–60k10.4%
$60–75k13.3%
$75–100k14.8%
$100–125k10.7%
$125–150k0.3%
$150–200k0.0%
$200k or more5.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$187,500
Median gross rent$1,043
Rent as a share of household income25.2%
Owner-occupied42.6%
Vacant homes11.3%
Median year built1991

What the homes are

Detached house69.8%
2 to 4 units15.7%
5 to 19 units3.9%
Mobile home10.5%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9.3%
Bachelor's degree or higher4.7%
High school diploma or higher45.8%
Works from home0%
Drives to work alone58.2%
Takes public transport0%
Commutes 45 minutes or more11.8%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity32.9% 0.5 pts below the national average of 33.4%
Diagnosed diabetes14% 2 pts above the national average of 12%
Currently smokes13.9% 0.7 pts above the national average of 13.2%
High blood pressure30% 4.1 pts below the national average of 34.1%
Fair or poor general health32.6% 12.3 pts above the national average of 20.3%
No health insurance (18–64)22.9% 11.6 pts above the national average of 11.3%
Depression20.1% 1.8 pts below the national average of 21.9%
No leisure-time physical activity37.1% 11.7 pts above the national average of 25.4%
Arthritis17.9% 7.2 pts below the national average of 25.1%
Binge drinking15.1% 0.9 pts below the national average of 16%
Taking blood pressure medication67.6% 7.1 pts below the national average of 74.7%
Cancer (non-skin)4% 3.7 pts below the national average of 7.7%
Current asthma9.4% 1 pts below the national average of 10.4%
Coronary heart disease5.9% same as the national average of 6.2%
Routine check-up in past year65.9% 10.8 pts below the national average of 76.7%
Cholesterol screening78.3% 7.6 pts below the national average of 85.9%
Cognitive disability20.3% 5.5 pts above the national average of 14.8%
Colorectal screening47.3% 17 pts below the national average of 64.3%
COPD5.5% 1.1 pts below the national average of 6.6%
Visited a dentist49.4% 11.9 pts below the national average of 61.3%
Any disability38.4% 7.7 pts above the national average of 30.7%
Lacks emotional support33.5% 8.7 pts above the national average of 24.8%
Food insecurity33.3% 16.2 pts above the national average of 17.1%
Received food stamps28.4% 14.1 pts above the national average of 14.3%
Hearing disability6.4% same as the national average of 6.7%
High cholesterol34.1% 2.1 pts below the national average of 36.2%
Housing insecurity25.2% 11.4 pts above the national average of 13.8%
Independent living disability11.1% 2.7 pts above the national average of 8.4%
Lacks transport15.9% 6.7 pts above the national average of 9.2%
Loneliness40.2% 5.8 pts above the national average of 34.4%
Mammography use70.8% 5.1 pts below the national average of 75.9%
Poor mental health (14+ days)18.9% 2.1 pts above the national average of 16.8%
Mobility disability17.6% 3.6 pts above the national average of 14%
Poor physical health (14+ days)16.8% 3.3 pts above the national average of 13.5%
Self-care disability5.5% 1.5 pts above the national average of 4%
Utility shut-off threat12% 3.2 pts above the national average of 8.8%
Sleeps under 7 hours35% 1.4 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost16.9% 3.9 pts above the national average of 13%
Vision disability9.5% 3.9 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments8
People employed506
Annual payroll$20,335,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 82% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss60.8 out of 100
Community resilience4.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Heat wave97.5Very High at its worst in this ZIP code
Drought93.7Relatively Moderate at its worst in this ZIP code
Wildfire92.8Relatively Moderate at its worst in this ZIP code
Earthquake86.8Relatively Moderate at its worst in this ZIP code
River flooding86.7Relatively High at its worst in this ZIP code
Hail82.3Relatively Moderate at its worst in this ZIP code
Volcanic activity73.6Very Low at its worst in this ZIP code
Lightning71.6Relatively Moderate at its worst in this ZIP code
Strong wind20.9Relatively Low at its worst in this ZIP code
Tornado12.2Very Low at its worst in this ZIP code
Compared with California and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPCaliforniaUnited States
Median household income$51,214$96,334$78,538
Income per person$17,382$47,977$43,289
Poverty rate30%12%12.4%
Median home value$187,500$695,400$303,400
Median gross rent$1,043$1,956$1,348
Homeownership42.6%55.8%65%
Bachelor's degree or higher4.7%36.5%35%
Unemployment rate9.3%6.4%5.2%
Works from home0%15.5%13.5%
Born outside the US52.5%26.7%13.9%
Median age30.737.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationPORTERVILLE, CA US4 km away
Rain in a year11 in

Average high and low by month

January59.1°F / 39.7°F2.08 in rain
February64.6°F / 43.1°F1.92 in rain
March70.5°F / 46.6°F2.04 in rain
April76°F / 49.7°F0.95 in rain
May84.1°F / 56.3°F0.34 in rain
June92.7°F / 62.5°F0.1 in rain
July98.4°F / 68.4°F0.05 in rain
August97.1°F / 66.7°F0 in rain
September92.3°F / 62.3°F0.06 in rain
October82°F / 53.4°F0.55 in rain
November68.4°F / 44.3°F0.95 in rain
December59.2°F / 38.8°F1.93 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

Porterville Unified School District (9-12)50% of this ZIP code's land area
Pleasant View Elementary School District48.5% of this ZIP code's land area
Rockford Elementary School District1.5% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability92more vulnerable than 92% of US census tracts
Socioeconomic status90more vulnerable than 90% of US census tracts
Household characteristics64more vulnerable than 64% of US census tracts
Racial and ethnic minority status82more vulnerable than 82% of US census tracts
Housing type and transport94more vulnerable than 94% of US census tracts
Walkability4.5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

93257 Porterville, CA4.5 km away
93270 Terra Bella, CA8.7 km away
93267 Strathmore, CA14.2 km away
93218 Ducor, CA16.1 km away
93247 Lindsay, CA20.9 km away
93265 Springville, CA22.2 km away
93256 Pixley, CA24 km away
93272 Tipton, CA27.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Tulare County100% of this ZIP code's land area
Time zonePacific (UTC-08:00 standard)
Daylight saving timeObserved
Land area0.98 sq mi
Population density1,272 people per sq mi
Latitude, longitude36.0331, -119.0073

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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