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US ZIP Code Profile

ZIP Code 91325
Northridge, California

ZIP code 91325 is in Northridge, located in Los Angeles County, California, within the Los Angeles-Long Beach-Anaheim metro area. Its 2020 Census population was 35,250. The estimated median adjusted gross income per tax return is $47,895, and about 9% of filers report $200,000 or more.

2020 Population
35,250
Census ZCTA
County
Los Angeles
FIPS 06037
Median income (est.)
$47,895
IRS SOI 2022
Land Area
4.825 mi²
+ 0.003 mi² water

01Location & Geography

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

Primary CityNorthridge, 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
Coordinates34.23752, -118.517715
Land / Water Area4.825 mi² land · 0.003 mi² water

02Income & Economics

Distribution of the 16,540 individual tax returns filed in 91325 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
29.0%
$25K–$50K
23.0%
$50K–$75K
13.9%
$75K–$100K
9.4%
$100K–$200K
16.1%
$200K+
8.6%
The $200,000+ bracket accounts for 40% of 91325's total adjusted gross income, from 9% of returns — a concentration that drives the gap between the median ($47,895) 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 91325's IRS income metrics, 2020–2022.

Median income (2021→2022)
$47,895
▲ 3.7%
Filers earning $200K+
8.6%
▲ 0.6 pt
Total filers
16,540
▼ 1.1%
GET /zipc/v2/zipcodes/91325/soi?year=… $42K 2020 $46K 2021 $48K 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 91325 ZCTA.

2000
32,300
 
2010
32,417
▲ +0.4%
2020
35,250
▲ +8.7%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 91325. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 91325

Northridge and its immediate neighbors, sorted by distance.

3 mi
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Distance from 91325 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 Number055460
City AliasesNorthridge, Sherwood Frst, Sherwood Forest

07Frequently Asked Questions

What county is ZIP code 91325 in?

ZIP code 91325 is in Los Angeles County, California (county FIPS code 06037).

What city is ZIP code 91325?

The primary USPS city for 91325 is Northridge, CA.

What metro area (MSA) is 91325 in?

91325 is part of the Los Angeles-Long Beach-Anaheim, CA Metro Area (MSA code 31080).

What is the population of ZIP code 91325?

The 2020 Census population of 91325 was 35,250 residents.

What is the median income in ZIP code 91325?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 91325 is about $47,895, 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.