ZIP code 90731
Where is ZIP code 90731?
San Pedro, California
Los Angeles County · Standard ZIP code
ZIP code 90731 belongs to San Pedro, California in Los Angeles County. 90731 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Pacific Time zone and uses area codes 310, 424 and 562. About 61,944 people live in the 90731 area, where the median household income is $76,395. The closest ZIP codes are 90732 (San Pedro, 1.3 mi northwest), 90748 (Wilmington, 3.6 mi northeast) and 90073 (Los Angeles, 3.7 mi north).
| ZIP code | 90731 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | San Pedro |
| State | California (CA) |
| County | Los Angeles County |
| Time zone | Pacific Time · now |
| Area codes | 310, 424, 562 |
| Coordinates | 33.7339, -118.2914 map |
| 3-digit prefix | 907 |
Population and income in 90731
| Population | 61,944 · higher than 94% of California ZIP codes |
|---|---|
| People per square mile | 6,715 · higher than 81% of California ZIP codes |
| Median age | 38.6 years · lower than 57% of California ZIP codes |
| Men / women | 52% / 49% |
| Median household income | $76,395 · lower than 68% of California ZIP codes |
| Income per person | $39,660 |
| Below the poverty line | 16% |
| Bachelor’s degree or higher | 27% of adults 25+ |
| Median home value | $851,000 · higher than 67% of California ZIP codes |
| Median rent | $1,740 a month |
| Housing units | 24,423 |
| Households | 23,185 (2.57 people on average) |
| Owners / renters | 33% / 67% |
| Land area | 9.23 sq mi (plus 5.54 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 90731. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 90731
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 90732 | San Pedro, CA | 1.3 mi NW | Standard |
| 90748 | Wilmington, CA | 3.6 mi NE | PO Box only |
| 90073 | Los Angeles, CA | 3.7 mi N | PO Box only |
| 90079 | Los Angeles, CA | 3.7 mi N | Standard |
| 90089 | Los Angeles, CA | 3.7 mi N | Unique |
| 90095 | Los Angeles, CA | 3.7 mi N | Unique |
| 90224 | Compton, CA | 3.7 mi N | PO Box only |
| 90267 | Manhattan Beach, CA | 3.7 mi N | PO Box only |
| 90295 | Marina Del Rey, CA | 3.7 mi N | PO Box only |
| 90296 | Playa Del Rey, CA | 3.7 mi N | PO Box only |
| 90307 | Inglewood, CA | 3.7 mi N | PO Box only |
| 90309 | Inglewood, CA | 3.7 mi N | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 90731 or measure the distance to another ZIP code.
How to address mail to 90731
123 MAIN ST
SAN PEDRO CA 90731
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Fort Macarthur, Ft Macarthur and Terminal Island: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (90731-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in San Pedro, CA
All San Pedro ZIP codes with population and income →
Questions
- What city is ZIP code 90731?
- 90731 is a San Pedro, California ZIP code.
- What county is 90731 in?
- ZIP code 90731 is in Los Angeles County, California.
- What time zone is ZIP code 90731 in?
- 90731 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 90731?
- Phone numbers in ZIP code 90731 use area codes 310, 424 and 562.
- What is the population of ZIP code 90731?
- About 61,944 people live in ZIP code 90731, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 90731?
- The median household income in 90731 is $76,395 a year, lower than 68% of California ZIP codes.
- What ZIP codes are near 90731?
- The nearest ZIP codes to 90731 are 90732 (San Pedro, 1.3 miles), 90748 (Wilmington, 3.6 miles), 90073 (Los Angeles, 3.7 miles) and 90079 (Los Angeles, 3.7 miles).