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Area data

Porterville, CA — ZIP 93257

Population: 80,467 (Census ACS)

The median home value in ZIP 93257 (Porterville, CA) is $332,086 — up 0.6% over the past year. Homes sell for a median $355,000 after a median 24 days on market. Typical rent runs $1,425/month. 34 schools serve the area (NCES). 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 13.3% above the US average (BEA, metro/state-level).

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

$332,086

Median home value

+0.6%

1-year change

24

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Median home value
$332,086
1-year appreciation
+0.6%
3-year appreciation
+8.0%
5-year appreciation
+22.7%
10-year appreciation
+94.2%
All-time peak (2026-07)
$332,086
House Price Index (state)
417.4 (-0.8% YoY)

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

Market activity

Median sale price
$355,000
Median list price
$369,900
Median price per sqft
$235
1-year sale-price change
-0.3%
Median days on market
24 days
Homes sold (recent period)
105
For-sale inventory
121
Sale-to-list ratio
99.3%
Active listings
83
1-year forecast
+0.8%
Days to pending
34 days
New listings (monthly)
42

Source: recent area sales and market data (ZIP-level)

Rents

Typical rent
$1,425/mo
1-year rent change
+6.0%
Studio fair-market rent
$1,495/mo
1BR fair-market rent
$1,869/mo
2BR fair-market rent
$2,330/mo
3BR fair-market rent
$3,029/mo
4BR fair-market rent
$3,495/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (High)
113.3 (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)

Schools

Total schools
34
Elementary schools
19
Middle schools
6
High schools
6
Charter schools
4
School districts serving the area
Porterville Unified, Alta Vista Elementary, Monarch River Academy District
Schools include
Bartlett Middle, Belleview Elementary, John J. Doyle Elementary, Olive Street Elementary, Pioneer Middle

Source: NCES school directory, 2022-23 (school-address-based)

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
FEMA flood zone
AH
Flood risk level
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
65.0°F
Average high
77.0°F
Average low
53.0°F
Annual precipitation
26.4 in
Annual snowfall
3.4 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)
69
Days with Good air quality
94
Days with Moderate air quality
189
Days with Unhealthy air quality
19
Highest AQI recorded (year)
242

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

Walkability & transit

Walkability index
7.2 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
10,232
Jobs reachable by transit (45 min)
11,119

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
2
Nearest national park
Sequoia & Kings Canyon National Parks (52 mi)
National parks include
Sequoia & Kings Canyon National Parks, César E. Chávez National Monument
Airports within 30 mi
12
Nearest airport
Sequoia Ranch Airport (12 mi)
Nearest major airport
Visalia Municipal Airport (VIS) (38 mi)
Hospitals nearby (~15 mi)
1
Hospitals include
SIERRA VIEW MEDICAL CENTER
Avg hospital rating (CMS)
2.0 / 5
Best hospital rating nearby (CMS)
2.0 / 5
Solar radiation rating
Good (5.3 kWh/m²/day)

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

Migration

Net migration (county)
-698 tax filers

Source: IRS county-to-county migration data (county-level, ~12-month lag)

Housing stock

Median year housing built
1,978
Housing built before 1970
36.1%
Housing built 2000 or later
17.8%
Median annual property tax
$1,938
Mean commute to work
24 min
Households with broadband internet
69.3%

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)

How it compares

ZIP 93257State medianUS median
Median home value$332,086$702,573$289,727
Median sale price$355,000$696,000$325,000
Median days on market24 days39 days51 days
Typical rent$1,425/mo$2,767/mo$1,808/mo
Median annual property tax$1,938$4,533$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

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

Common questions

What is the median home value in ZIP 93257?
$332,086.
What is the median sale price in ZIP 93257?
$355,000.
How long do homes take to sell in ZIP 93257?
Median days on market: 24 days.
What is typical rent in ZIP 93257?
Typical rent: $1,425/month.
What is the natural-hazard risk in ZIP 93257?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: avalanche, heatWave, inlandFlooding, landslide, lightning.
Is ZIP 93257 in a flood zone?
High (FEMA NFIP). FEMA flood zone AH.
What is the wildfire risk in ZIP 93257?
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 93257?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 93257?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve ZIP 93257?
34 schools (19 elementary, 6 middle, 6 high) (NCES, 2022-23).
Is ZIP 93257 walkable?
Walkability index: 7.2/20 (EPA Smart Location Database).
What is the air quality in ZIP 93257?
Moderate. Median AQI: 69. (EPA AQI).
What is the cost of living in ZIP 93257?
Regional Price Parity: 113.3 (100 = US average) (High) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

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

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