Residential delivery area · California
ZIP Code 93257: Porterville, CA
ZIP code 93257 uses the postal name Porterville, California and lies entirely in Tulare County (Census 2020 ZIP-county file). About 80,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Porterville's 2 residential ZIP codes. Median household income is $59,704 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Porterville (5%), East Porterville (under 1%), Poplar-Cotton Center (under 1%) and Woodville Farm Labor Camp (under 1%); 94% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Porterville · 2 residential ZIPs
- County
- Tulare County
- Census places
- Porterville (5%); East Porterville (under 1%) census-designated place; Poplar-Cotton Center (under 1%) census-designated place; Woodville Farm Labor Camp (under 1%) census-designated place
- Metro area
- Visalia, CA
- House districts
- CA-20 (60%), CA-22 (40%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 378.9 sq mi · 212 people per sq mi
Where is ZIP code 93257?
93257 centers on 35.981°, -118.889° and covers 378.9 square miles of land plus 4.2 of water. It borders 11 ZIP codes: 93270, 93218, 93267, 93258, 93260, 93207, 93226, 93265, 93256, 93272 and more.
The map draws ZIP code areas only. For the streets inside 93257, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 93257 compare with the rest of Porterville?
| Measure | 93257 | In Porterville | In Tulare County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 80,467 | 1st of 2 | 1st of 44 | 28th of 1,802 |
| Median household income | $60k | 1st of 1 | 13th of 18 | 1,097th of 1,189 |
| Median home value | $288k | 1st of 1 | 15th of 25 | 1,243rd of 1,317 |
Its median household income is higher than in 29% of U.S. residential ZIP codes, and it is denser than 63% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 93257?
The 2020 Census counted 79,569 people in 93257; the ACS, which samples households over 2020-2024, estimates 80,467. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 80,467
- 2020 Census count
- 79,569
- Households
- 23,999
- Median age
- 30.6
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 93257?
Of the 80,467 people the ACS estimates in 93257, 30.1% are under 18 and 12.2% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (73.1%), then White (not Hispanic) (18.8%).
- Under 1830.1%
- 18 to 6457.7%
- 65 and older12.2%
- Hispanic or Latino73.1%
- White, not Hispanic18.8%
- Other or two or more4.3%
- Asian, not Hispanic2.6%
- Black, not Hispanic1.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 93257 earn?
Median household income is $59,704 (ACS 2020-2024), the 13th highest of the 18 ranked ZIP codes in Tulare County.
- Median household income
- $59,704
- Income per person
- $23,610
- Below the poverty line
- 19.4%
- Unemployed (of the labor force)
- 10.8%
- Adults 25+ with a bachelor's degree
- 14.3%
- Adjusted gross income per tax return, 2022
- $50,97929,630 returns; wages 75% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 93257?
FHFA's house price index for 93257, built from repeat sales and appraisals of the same homes, rose 111% from 2015 to 2025 and rose 56% from 2020 to 2025, and moved +3.3% in 2025.
- Median home value (owners' estimate)
- $288,200
- Median gross rent
- $1,124
- Homes owned by their occupants
- 55.6%
- Housing units
- 25,373
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 93257?
931 business establishments had a location in this ZIP code in 2023, 72 more than in 2018; the most are in health care and social assistance (ZIP Code Business Patterns).
- Health care and social assistance193
- Retail trade163
- Accommodation and food services110
- Other services (except public administration)79
- Finance and insurance70
- Construction67
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 93257?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 93270 | Terra Bella | 5,482 | $67k | 9.8 mi |
| 93218 | Ducor | 780 | $92k | 12.2 mi |
| 93267 | Strathmore | 5,531 | $47k | 15.3 mi |
| 93258 | Porterville | 1,398 | $51k | 15.6 mi |
| 93260 | Posey | 153 | $56k | 17.0 mi |
| 93207 | California Hot Springs | 269 | $52k | 17.5 mi |
| 93226 | Glennville | 58 | – | 18.9 mi |
| 93265 | Springville | 3,397 | $99k | 19.7 mi |
| 93256 | Pixley | 5,578 | $56k | 23.7 mi |
| 93272 | Tipton | 3,818 | $52k | 25.8 mi |
| 93274 | Tulare | 80,026 | $73k | 30.6 mi |
| 93261 | Richgrove | 2,005 | $44k | 17.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.