Zip Code 90731
San Pedro, California — Los Angeles County
📍 ZIP code 90731 is in San Pedro, Los Angeles County, California.
ZIP code 90731 is located in San Pedro, Los Angeles County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 62,452. The area code for ZIP code 90731 is 818.
Quick Answer
Zip code 90731 is in San Pedro, California (Los Angeles County). It has a population of 62,452, median household income of $71,936, and median home value of $808,800.
Population
62,452
Income
$71,936
Home Value
$808,800
Climate
77°F / 47°F
About Zip Code 90731
Zip code 90731 is located in San Pedro, California, within Los Angeles County. Home to approximately 62,452 residents, this area sits at an elevation of 20 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 818.
The median household income is $71,936 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $808,800, and the cost of living index is 198 (98% above the national average of 100).
Summers average a high of 77°F while winters drop to 47°F. The area receives about 14 in of rain annually. The zip code covers 9.7 square miles of land area and 6 square miles of water.
Key Statistics
62,452
$71,936
$808,800
Pacific (PST/PDT)
818
20 ft
9.7 sq mi
38.8
24,477
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Compare With Nearby Zip Codes
| Metric | 90731 | 90732 | 90744 | 90802 | 90717 | 90710 |
|---|---|---|---|---|---|---|
| City | San Pedro, CA | San Pedro, CA | Wilmington, CA | Long Beach, CA | Lomita, CA | Harbor City, CA |
| Population | 62,452 | 23,104 | 53,678 | 39,859 | 21,319 | 26,777 |
| Median Income | $71,936 | $118,658 | $61,440 | $72,152 | $92,984 | $77,486 |
| Home Value | $808,800 | $785,000 | $596,100 | $546,700 | $793,600 | $648,600 |
| Cost of Living | 198 | 222 | 151 | 149 | 204 | 170 |
| Median Age | 38.8 | 46.5 | 32.6 | 35.9 | 39.1 | 40.4 |
Cost of Living
100 = National Average. San Pedro's cost of living is 98% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
11.2x
Demographics
Zip code 90731 has a population of 62,452 people with a median age of 38.8. There are 24,477 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
San Pedro (90731) population trend from 2010 to 2024
↓ -23.1%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
77°F
47°F
14 in
0 in
San Pedro experiences mild summers with average highs around 77°F. Winters are mild with lows averaging 47°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$808,800
Median Household Income
$71,936
With 24,477 housing units across 9.7 square miles, 90731 has a housing density of 2,523 units per square mile. The home price-to-income ratio is 11.2x.
Location & Geography
Latitude
33.7363°
Longitude
-118.2792°
Land Area
9.7 sq mi
Water Area
6 sq mi
Nearby Zip Codes
Zip codes closest to 90731 (San Pedro, CA) with distances:
All Zip Codes in San Pedro, CA
Other zip codes serving San Pedro:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 90731's $71,936. A way to compare San Pedro to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 90731 (San Pedro, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is San Pedro, California?
San Pedro, California uses zip code 90731 along with 1 other zip codes.
What county is zip code 90731 in?
Zip code 90731 is located in Los Angeles County, California.
What is the population of zip code 90731?
The population of zip code 90731 is 62,452 with a median age of 38.8.
Is 90731 in San Pedro, California?
Yes, zip code 90731 is in San Pedro, Los Angeles County, California. The area code is 818.
Frequently Asked Questions
What city is zip code 90731 in?
Zip code 90731 is in San Pedro, California. It is part of Los Angeles County and uses the Pacific (PST/PDT) timezone.
What is zip code 90731?
Zip code 90731 is a U.S. postal code in San Pedro, California (Los Angeles County). It has a population of 62,452 and covers 9.7 square miles.
What is the population of zip code 90731?
The population of zip code 90731 (San Pedro, CA) is 62,452 with a median age of 38.8. There are approximately 24,477 housing units in this area.
What is the median income in zip code 90731?
The median household income in zip code 90731 (San Pedro, CA) is $71,936 per year. The cost of living index is 198 (100 = national average).
What is the average home price in zip code 90731?
The median home value in zip code 90731 (San Pedro, CA) is $808,800. The cost of living index is 198 compared to the national average of 100.
What county is zip code 90731 in?
Zip code 90731 is located in Los Angeles County, California. The primary city is San Pedro.
What is the area code for zip code 90731?
Zip code 90731 in San Pedro, CA uses area code 818. It is located in the Pacific (PST/PDT) timezone.
Is zip code 90731 a good place to live?
Zip code 90731 (San Pedro, CA) has a cost of living index of 198 (100 = national average), a median household income of $71,936, and median home values of $808,800. The median age is 38.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 90731?
The cost of living index for zip code 90731 (San Pedro, CA) is 198, where 100 represents the national average. This area is above the national average. Median home value: $808,800.
What schools serve zip code 90731?
Zip code 90731 in San Pedro, California is served by the local school district of Los Angeles County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.