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US ZIP Code Profile

ZIP Code 90755
Signal Hill, California

ZIP code 90755 is in Signal Hill, located in Los Angeles County, California, within the Los Angeles-Long Beach-Anaheim metro area. Its 2020 Census population was 11,923. The estimated median adjusted gross income per tax return is $60,753, and about 9% of filers report $200,000 or more.

2020 Population
11,923
Census ZCTA
County
Los Angeles
FIPS 06037
Median income (est.)
$60,753
IRS SOI 2022
Land Area
2.179 mi²
+ 0.002 mi² water

01Location & Geography

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

Primary CitySignal Hill, 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
Coordinates33.80346, -118.16974
Land / Water Area2.179 mi² land · 0.002 mi² water

02Income & Economics

Distribution of the 5,880 individual tax returns filed in 90755 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.4%
$25K–$50K
20.8%
$50K–$75K
15.8%
$75K–$100K
11.7%
$100K–$200K
20.6%
$200K+
8.7%
The $200,000+ bracket accounts for 37% of 90755's total adjusted gross income, from 9% of returns — a concentration that drives the gap between the median ($60,753) 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 90755's IRS income metrics, 2020–2022.

Median income (2021→2022)
$60,753
▲ 8.8%
Filers earning $200K+
8.7%
▲ 0.6 pt
Total filers
5,880
▼ 0.5%
GET /zipc/v2/zipcodes/90755/soi?year=… $49K 2020 $56K 2021 $61K 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 90755 ZCTA.

2010
11,074
 
2020
11,923
▲ +7.7%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 90755. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 90755

Signal Hill and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 90755 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 TypeNon-Postal Community Name, former postal facility or place name
Carrier Route SortD
USPS Finance Number054482
City AliasesLong Beach, Signal Hill, Signal Hl

07Frequently Asked Questions

What county is ZIP code 90755 in?

ZIP code 90755 is in Los Angeles County, California (county FIPS code 06037).

What city is ZIP code 90755?

The primary USPS city for 90755 is Signal Hill, CA.

What metro area (MSA) is 90755 in?

90755 is part of the Los Angeles-Long Beach-Anaheim, CA Metro Area (MSA code 31080).

What is the population of ZIP code 90755?

The 2020 Census population of 90755 was 11,923 residents.

What is the median income in ZIP code 90755?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 90755 is about $60,753, with around 9% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.