What is the main zip code for Northridge, California?

91326 is the most populous Northridge ZIP code in Census data with about 36,503 residents.

What is the area code for Northridge, California?

Northridge, California uses area code 323.

What time zone is Northridge, California in?

Northridge, California is in the Pacific Time Zone.

Northridge, California Zip Codes

Q: How many zip codes does Northridge, California have?

Northridge, California has 7 zip codes in this directory: 4 standard delivery ZIPs and 3 PO Box or unique ZIPs.

Q: What county is Northridge, California in?

Northridge is in Los Angeles County, California.

📍 Northridge is in Los Angeles County, California with 7 zip codes; the most populous is 91326.

City

Northridge

County

Los Angeles

Zip Codes

Area Code

323

Northridge is a USPS city name in Los Angeles County, California with a Census population of approximately 104,483 across its ZIP codes. Los Angeles County as a whole has 538 ZIP codes in this directory. Below you'll find every zip code serving Northridge with population, income and home value, a map, and the city's affordability profile.

Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).

All Northridge Zip Codes

ZIP Code	City	County	Population	Median Income	Median Home	Details
91324	Northridge	Los Angeles	29,744	$100,086	$803,400	View →
91325	Northridge	Los Angeles	35,537	$83,853	$834,300	View →
91326	Northridge	Los Angeles	36,503	$142,170	$942,700	View →
91327	Northridge	PO Box ZIP	—	—	—	View →
91328	Northridge	PO Box ZIP	—	—	—	View →
91329	Northridge	PO Box ZIP	—	—	—	View →
91330	Northridge	Los Angeles	2,699	—	—	View →

Northridge at a Glance

Residents (ZIPs with data)

104,483

Median household income

$100,086

Median home value

$834,300

Price-to-income ratio

8.0

Median rent

$2,174

Owner-occupied

49%

Bachelor's degree+

42%

Poverty rate

11.7%

Northridge has 7 ZIP codes in this directory: 4 standard delivery ZIPs and 3 PO Box or unique ZIPs that carry no resident population in Census data. The 3 ZIPs with published Census housing data cover 104,483 residents, the largest being 91326 with 36,503 people.

The median ZIP in Northridge has a household income of $100,086 and a home value of $834,300, a price-to-income ratio of 8.0, above the 6.7 California ZIP median. The highest median income is in 91326 at $142,170. Median rent across these ZIPs is $2,174 a month.

49% of households in the typical Northridge ZIP own their home (statewide ZIP median 64%). 42% of adults hold a bachelor's degree, above the 31% statewide median. The median poverty rate is 11.7%, above the 10.8% statewide ZIP median. Overall density is about 5,903 residents per square mile across 18 square miles of ZIP land area.

Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 California ZIP Code Affordability Report.