Porterville, CA 93257 ZIP Code Profile

Related Place Profiles:
Poplar, CA | Porterville, CA | Woodville, CA

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ZIP Code 93257: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Porterville, CA 93257

Acceptable Alternative
Poplar, CA 93257
Woodville, CA 93257

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 1,390
  • Single Family Addresses: 21,628
  • Multi-Family Addresses: 1,211
  • County: Tulare County
  • Centroid: Latitude 36.07, Longitude -119.022
  • Time Zone: Pacific Time Zone (UTC -8 hours)
  • Observes DST: Yes

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


93257 ZIP Code Map

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Porterville, CA 93257 Data & Demographics (As of July 1, 2017)


Total Population 80,637
Daytime Population: Workers 27,281
Daytime Population: Residents 49,984
Total Daytime Population (TDP) 77,265
Ratio TDP/Total Population1 0.96
Population in Households 79,341
Population in Familes 69,758
Population in Group Qrtrs 1,296
Population Density2 332
Diversity Index3 81


Median Household Income $42,298
Average Household Income $57,748
Per Capita Income $16,699


Total Housing Units 24,456 (100%)
Owner Occupied HU 12,460 (50.9%)
Renter Occupied HU 10,233 (41.8%)
Vacant Housing Units 1,763 ( 7.2%)
Median Home Value $188,111
Average Home Value $241,627


Total Households 22,693
Average Household Size 3.5
Family Households 17,977
Average Family Size 4
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.65% 0.69%
Households 0.56% 0.66%
Families 0.53% 0.64%
Median Household Income   0.86%
Per Capita Income   2.3%

Porterville, CA 93257 - Peer Comparisons by Rank and Percentile

The table below compares 93257 to the other 1,761 ZIP Codes in California by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 30 98th
Population Density # 1012 43rd
Diversity Index # 435 75th
Median Household Income # 1375 22nd
Per Capita Income # 1549 12th

Additional comparisons and rankings can be made with a VERY EASY TO USE California Census Data Comparison Tool.

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