Get API Key →
US ZIP Code Profile

ZIP Code 90720
Los Alamitos, California

ZIP code 90720 is in Los Alamitos, located in Orange County, California, within the Los Angeles-Long Beach-Anaheim metro area. Its 2020 Census population was 22,955. The estimated median adjusted gross income per tax return is $86,538, and about 22% of filers report $200,000 or more.

2020 Population
22,955
Census ZCTA
County
Orange
FIPS 06059
Median income (est.)
$86,538
IRS SOI 2022
Land Area
6.12 mi²
+ 0.063 mi² water

01Location & Geography

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

Primary CityLos Alamitos, CA
CountyOrange County (FIPS 06059)
StateCalifornia (FIPS 06)
Metro Area (MSA)Los Angeles-Long Beach-Anaheim, CA Metro Area (31080)
Census Region / DivisionWest Region · Pacific Division
Coordinates33.795013, -118.06269
Land / Water Area6.12 mi² land · 0.063 mi² water

02Income & Economics

Distribution of the 11,240 individual tax returns filed in 90720 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
19.8%
$25K–$50K
14.4%
$50K–$75K
11.6%
$75K–$100K
9.2%
$100K–$200K
23.1%
$200K+
21.9%
The $200,000+ bracket accounts for 65% of 90720's total adjusted gross income, from 22% of returns — a concentration that drives the gap between the median ($86,538) 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 90720's IRS income metrics, 2020–2022.

Median income (2021→2022)
$86,538
▲ 6.4%
Filers earning $200K+
21.9%
▲ 1.1 pt
Total filers
11,240
▲ 0.1%
GET /zipc/v2/zipcodes/90720/soi?year=… $72K 2020 $81K 2021 $87K 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 90720 ZCTA.

2000
21,328
 
2010
21,751
▲ +2.0%
2020
22,955
▲ +5.5%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 90720. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 90720

Los Alamitos and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 90720 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 Number054512
City AliasesCypress, Los Alamitos, Rossmoor

07Frequently Asked Questions

What county is ZIP code 90720 in?

ZIP code 90720 is in Orange County, California (county FIPS code 06059).

What city is ZIP code 90720?

The primary USPS city for 90720 is Los Alamitos, CA.

What metro area (MSA) is 90720 in?

90720 is part of the Los Angeles-Long Beach-Anaheim, CA Metro Area (MSA code 31080).

What is the population of ZIP code 90720?

The 2020 Census population of 90720 was 22,955 residents.

What is the median income in ZIP code 90720?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 90720 is about $86,538, with around 22% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.