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US ZIP Code Profile

ZIP Code 91024
Sierra Madre, California

ZIP code 91024 is in Sierra Madre, located in Los Angeles County, California, within the Los Angeles-Long Beach-Anaheim metro area. Its 2020 Census population was 11,268. The estimated median adjusted gross income per tax return is $91,745, and about 24% of filers report $200,000 or more.

2020 Population
11,268
Census ZCTA
County
Los Angeles
FIPS 06037
Median income (est.)
$91,745
IRS SOI 2022
Land Area
2.951 mi²
+ 0.004 mi² water

01Location & Geography

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

Primary CitySierra Madre, 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
Coordinates34.16877, -118.05022
Land / Water Area2.951 mi² land · 0.004 mi² water

02Income & Economics

Distribution of the 5,490 individual tax returns filed in 91024 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
18.9%
$25K–$50K
13.1%
$50K–$75K
11.5%
$75K–$100K
9.7%
$100K–$200K
22.8%
$200K+
24.0%
The $200,000+ bracket accounts for 67% of 91024's total adjusted gross income, from 24% of returns — a concentration that drives the gap between the median ($91,745) 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 91024's IRS income metrics, 2020–2022.

Median income (2021→2022)
$91,745
▲ 2.7%
Filers earning $200K+
24.0%
▲ 1.8 pt
Total filers
5,490
▲ 0.2%
GET /zipc/v2/zipcodes/91024/soi?year=… $78K 2020 $89K 2021 $92K 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 91024 ZCTA.

2000
10,545
 
2010
10,917
▲ +3.5%
2020
11,268
▲ +3.2%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 91024. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 91024

Sierra Madre and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 91024 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 SortB
USPS Finance Number057230
City AliasesSierra Madre

07Frequently Asked Questions

What county is ZIP code 91024 in?

ZIP code 91024 is in Los Angeles County, California (county FIPS code 06037).

What city is ZIP code 91024?

The primary USPS city for 91024 is Sierra Madre, CA.

What metro area (MSA) is 91024 in?

91024 is part of the Los Angeles-Long Beach-Anaheim, CA Metro Area (MSA code 31080).

What is the population of ZIP code 91024?

The 2020 Census population of 91024 was 11,268 residents.

What is the median income in ZIP code 91024?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 91024 is about $91,745, with around 24% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.