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US ZIP Code Profile

ZIP Code 91008
Duarte, California

ZIP code 91008 is in Duarte, located in Los Angeles County, California, within the Los Angeles-Long Beach-Anaheim metro area. Its 2020 Census population was 1,010. The estimated median adjusted gross income per tax return is $92,500, and about 29% of filers report $200,000 or more.

2020 Population
1,010
Census ZCTA
County
Los Angeles
FIPS 06037
Median income (est.)
$92,500
IRS SOI 2022
Land Area
2.027 mi²
+ 0.001 mi² water

01Location & Geography

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

Primary CityDuarte, 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
Coordinates34.15316, -117.96882
Land / Water Area2.027 mi² land · 0.001 mi² water

02Income & Economics

Distribution of the 510 individual tax returns filed in 91008 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
19.6%
$25K–$50K
13.7%
$50K–$75K
9.8%
$75K–$100K
9.8%
$100K–$200K
17.6%
$200K+
29.4%
The $200,000+ bracket accounts for 93% of 91008's total adjusted gross income, from 29% of returns — a concentration that drives the gap between the median ($92,500) 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 91008's IRS income metrics, 2020–2022.

Median income (2021→2022)
$92,500
▼ 1.3%
Filers earning $200K+
29.4%
▼ 1.4 pt
Total filers
510
▼ 1.9%
GET /zipc/v2/zipcodes/91008/soi?year=… $82K 2020 $94K 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 91008 ZCTA.

2010
1,391
 
2020
1,010
▼ -27.4%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 91008. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 91008

Duarte and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 91008 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 Number052274
City AliasesDuarte, Bradbury

07Frequently Asked Questions

What county is ZIP code 91008 in?

ZIP code 91008 is in Los Angeles County, California (county FIPS code 06037).

What city is ZIP code 91008?

The primary USPS city for 91008 is Duarte, CA.

What metro area (MSA) is 91008 in?

91008 is part of the Los Angeles-Long Beach-Anaheim, CA Metro Area (MSA code 31080).

What is the population of ZIP code 91008?

The 2020 Census population of 91008 was 1,010 residents.

What is the median income in ZIP code 91008?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 91008 is about $92,500, with around 29% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.