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US ZIP Code Profile

ZIP Code 90280
South Gate, California

ZIP code 90280 is in South Gate, located in Los Angeles County, California, within the Los Angeles-Long Beach-Anaheim metro area. Its 2020 Census population was 92,678. The estimated median adjusted gross income per tax return is $39,048, and about 1% of filers report $200,000 or more.

2020 Population
92,678
Census ZCTA
County
Los Angeles
FIPS 06037
Median income (est.)
$39,048
IRS SOI 2022
Land Area
7.305 mi²
+ 0.117 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CitySouth Gate, CA
CountyLos Angeles County (FIPS 06037)
StateCalifornia (FIPS 06)
Metro Area (MSA)Los Angeles-Long Beach-Anaheim, CA Metro Area (31080)
Census Region / DivisionWest Region · Pacific Division
Coordinates33.94416, -118.192764
Land / Water Area7.305 mi² land · 0.117 mi² water

02Income & Economics

Distribution of the 41,020 individual tax returns filed in 90280 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.3%
$25K–$50K
33.3%
$50K–$75K
18.2%
$75K–$100K
8.5%
$100K–$200K
8.0%
$200K+
0.8%
The $200,000+ bracket accounts for 8% of 90280's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($39,048) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 90280's IRS income metrics, 2020–2022.

Median income (2021→2022)
$39,048
▲ 6.1%
Filers earning $200K+
0.8%
▲ 0.2 pt
Total filers
41,020
▼ 2.1%
GET /zipc/v2/zipcodes/90280/soi?year=… $34K 2020 $37K 2021 $39K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 90280 ZCTA.

2000
96,260
 
2010
94,396
▼ -1.9%
2020
92,678
▼ -1.8%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 90280. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 90280

South Gate and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 90280 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number057398
City AliasesSouth Gate

07Frequently Asked Questions

What county is ZIP code 90280 in?

ZIP code 90280 is in Los Angeles County, California (county FIPS code 06037).

What city is ZIP code 90280?

The primary USPS city for 90280 is South Gate, CA.

What metro area (MSA) is 90280 in?

90280 is part of the Los Angeles-Long Beach-Anaheim, CA Metro Area (MSA code 31080).

What is the population of ZIP code 90280?

The 2020 Census population of 90280 was 92,678 residents.

What is the median income in ZIP code 90280?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 90280 is about $39,048, with around 1% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.