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US ZIP Code Profile

ZIP Code 90031
Los Angeles, California

ZIP code 90031 is in Los Angeles, located in Los Angeles County, California, within the Los Angeles-Long Beach-Anaheim metro area. Its 2020 Census population was 37,333. The estimated median adjusted gross income per tax return is $39,315, and about 3% of filers report $200,000 or more.

2020 Population
37,333
Census ZCTA
County
Los Angeles
FIPS 06037
Median income (est.)
$39,315
IRS SOI 2022
Land Area
3.453 mi²
+ 0.078 mi² water

01Location & Geography

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

Primary CityLos Angeles, 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
Coordinates34.084198, -118.208565
Land / Water Area3.453 mi² land · 0.078 mi² water

02Income & Economics

Distribution of the 16,100 individual tax returns filed in 90031 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
32.4%
$25K–$50K
30.8%
$50K–$75K
16.7%
$75K–$100K
8.3%
$100K–$200K
9.1%
$200K+
2.8%
The $200,000+ bracket accounts for 19% of 90031's total adjusted gross income, from 3% of returns — a concentration that drives the gap between the median ($39,315) 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 90031's IRS income metrics, 2020–2022.

Median income (2021→2022)
$39,315
▲ 7.1%
Filers earning $200K+
2.8%
▲ 0.5 pt
Total filers
16,100
▼ 1.5%
GET /zipc/v2/zipcodes/90031/soi?year=… $33K 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 90031 ZCTA.

2000
38,409
 
2010
39,316
▲ +2.4%
2020
37,333
▼ -5.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 90031. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 90031

Los Angeles and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 90031 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 Number054530
City AliasesLincoln Heights, Los Angeles, Lincoln Hts

07Frequently Asked Questions

What county is ZIP code 90031 in?

ZIP code 90031 is in Los Angeles County, California (county FIPS code 06037).

What city is ZIP code 90031?

The primary USPS city for 90031 is Los Angeles, CA.

What metro area (MSA) is 90031 in?

90031 is part of the Los Angeles-Long Beach-Anaheim, CA Metro Area (MSA code 31080).

What is the population of ZIP code 90031?

The 2020 Census population of 90031 was 37,333 residents.

What is the median income in ZIP code 90031?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 90031 is about $39,315, with around 3% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.