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Area data

Porterville, CA — ZIP 93258

Population: 1,398 (Census ACS)

Home values & appreciation

House Price Index
417.4 (-0.8% YoY)

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%

Natural hazards & flood risk

Overall hazard risk
Relatively High
Top hazards
avalanche, heatWave, inlandFlooding, landslide, lightning

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

Air quality

Air quality rating
Moderate
Median AQI (annual)
71
Days with Good air quality
76
Days with Unhealthy air quality
28

Amenities

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

Housing stock

Median year housing built
1,990
Median annual property tax
$1,212
Households with broadband internet
53.5%

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

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

Data last updated

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

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