Residential delivery area · California
ZIP Code 90731: San Pedro, CA
ZIP code 90731 uses the postal name San Pedro, California and lies entirely in Los Angeles County (Census 2020 ZIP-county file). About 62,000 people live there (Census Bureau, ACS 2020-2024), the more populous of San Pedro's 2 residential ZIP codes. Median household income is $76,395 (Census Bureau, ACS 2020-2024). Most of its land (98%) lies in the city of Los Angeles.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- San Pedro · 2 residential ZIPs
- County
- Los Angeles County
- Census places
- Los Angeles
- Metro area
- Los Angeles-Long Beach-Anaheim, CA
- House districts
- CA-44 (99%), CA-42 (1%) 119th Congress, by share of land
- State
- California
- Time zone
- Pacific
- Land area
- 9.2 sq mi · 6,715 people per sq mi
Where is ZIP code 90731?
90731 centers on 33.732°, -118.278° and covers 9.2 square miles of land plus 5.5 of water. It borders 5 ZIP codes: 90732, 90744, 90802, 90710, 90275.
The map draws ZIP code areas only. For the streets inside 90731, 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 90731 compare with the rest of San Pedro?
| Measure | 90731 | In San Pedro | In Los Angeles County | In CA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 61,944 | 1st of 2 | 25th of 301 | 106th of 1,802 |
| Median household income | $76k | 2nd of 2 | 195th of 265 | 883rd of 1,189 |
| Median home value | $851k | 2nd of 2 | 135th of 273 | 489th of 1,317 |
Its median household income is higher than in 57% of U.S. residential ZIP codes, and it is denser than 96% 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 90731?
The 2020 Census counted 61,270 people in 90731; the ACS, which samples households over 2020-2024, estimates 61,944. Between the 2010 and 2020 censuses its population grew 2.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 61,944
- 2020 Census count
- 61,270+2.7% since 2010 (59,662)
- Households
- 23,185
- Median age
- 38.6
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 90731?
Of the 61,944 people the ACS estimates in 90731, 21.1% are under 18 and 15.1% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (56.4%), then White (not Hispanic) (27.4%).
- Under 1821.1%
- 18 to 6463.7%
- 65 and older15.1%
- Hispanic or Latino56.4%
- White, not Hispanic27.4%
- Other or two or more6.2%
- Asian, not Hispanic5.1%
- Black, not Hispanic4.9%
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 90731 earn?
Median household income is $76,395 (ACS 2020-2024), the 195th highest of the 265 ranked ZIP codes in Los Angeles County. It rose from $65,590 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $76,395
- Income per person
- $39,660
- Below the poverty line
- 15.9%
- Unemployed (of the labor force)
- 6.8%
- Adults 25+ with a bachelor's degree
- 26.8%
- Adjusted gross income per tax return, 2022
- $72,70326,690 returns; wages 78% 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 90731?
FHFA's house price index for 90731, built from repeat sales and appraisals of the same homes, rose 78% from 2015 to 2025 and rose 37% from 2020 to 2025, and moved +1.5% in 2025.
- Median home value (owners' estimate)
- $851,000
- Median gross rent
- $1,740
- Homes owned by their occupants
- 32.6%
- Housing units
- 24,423
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 90731?
976 business establishments had a location in this ZIP code in 2023, 85 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services129
- Health care and social assistance126
- Accommodation and food services109
- Retail trade106
- Other services (except public administration)94
- Construction72
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 90731?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 90732 | San Pedro | 23,067 | $121k | 2.1 mi |
| 90744 | Wilmington | 52,800 | $61k | 3.3 mi |
| 90802 | Long Beach | 40,434 | $75k | 4.3 mi |
| 90710 | Harbor City | 26,761 | $83k | 4.8 mi |
| 90275 | Rancho Palos Verdes | 40,945 | $180k | 5.4 mi |
| 90717 | Lomita | 21,482 | $94k | 4.8 mi (near) |
| 90831 | Long Beach | 0 | – | 5.1 mi (near) |
| 90813 | Long Beach | 51,241 | $55k | 5.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.