Skip to main content

Area data

Porterville, CA — ZIP 93258

Population: 1,398 (Census ACS)

The median home value in ZIP 93258 (Porterville, CA) is $218,800. FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with avalanche, heatwave, inlandflooding the top-rated hazards. Cost of living is 10.7% above the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$218,800

Median home value

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$218,800
House Price Index (state)
417.4 (-0.8% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Affordability

Cost of living index (High)
110.7 (100 = US avg)
Electricity rate (state-level)
32.5¢/kWh
Natural gas rate (state-level)
$22.00/MCF
30-year mortgage rate (national)
6.66%
15-year mortgage rate (national)
6.00%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
avalanche, heatWave, inlandFlooding, landslide, lightning
Notable hazard ratings (county)
avalanche: Relatively High · drought: Relatively Moderate · earthquake: Relatively Moderate · hail: Relatively Moderate · heatWave: Relatively High · inlandFlooding: Relatively High
Wildfire risk to homes (county)
Higher than 95% of US counties
Buildings in wildfire direct-exposure zone
34.0%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
None
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA flood data (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
55.0°F
Average high
71.0°F
Average low
38.0°F
Annual precipitation
16.8 in
USDA plant hardiness zone
9b (extreme annual low 25 to 30°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Moderate
Median AQI (annual)
71
Days with Good air quality
76
Days with Moderate air quality
179
Days with Unhealthy air quality
28
Highest AQI recorded (year)
185

Source: EPA air quality data (nearest monitoring station, annual)

Amenities

National parks within ~60 mi
1
Nearest national park
Sequoia & Kings Canyon National Parks (52 mi)
Airports within 30 mi
12
Nearest airport
Porterville Municipal Airport (PTV) (3 mi)
Nearest major airport
Visalia Municipal Airport (VIS) (29 mi)
Hospitals nearby (~15 mi)
1
Hospitals include
PORTERVILLE DEVELOPMENTAL CENTER
Solar radiation rating
Good (5.3 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data · DOE/NREL (proximity-based)

Housing stock

Median year housing built
1,990
Housing built before 1970
32.5%
Housing built 2000 or later
35.2%
Median annual property tax
$1,212
Households with broadband internet
53.5%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
140,865
Average weekly wage
$896
Top industries (by employment)
Agriculture, Health Care, Accommodation & Food
Annual residential building permits (county)
1,065

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the median home value in ZIP 93258?
$218,800.
What is the natural-hazard risk in ZIP 93258?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: avalanche, heatWave, inlandFlooding, landslide, lightning.
What is the wildfire risk in ZIP 93258?
Risk to homes is higher than 95% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 93258?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 93258?
No current or proposed National Priorities List sites within 5 miles (EPA).
What is the air quality in ZIP 93258?
Moderate. Median AQI: 71. (EPA AQI).
What is the cost of living in ZIP 93258?
Regional Price Parity: 110.7 (100 = US average) (High) (BEA RPP, metro/state-level).

Nearby ZIP codes

Selling a home in Porterville, CA?

REAIGENT7 gives every listing its own AI assistant grounded in this same public data — it answers buyer questions about the home and the area, around the clock, and sends every lead to the listing agent. Agents: it installs on your listing page, your website, or WordPress.

Data last updated

Most recent source refresh: Sep 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents