What is the main zip code for Pomona, California?

91766 is the most populous Pomona ZIP code in Census data with about 69,517 residents.

What is the area code for Pomona, California?

Pomona, California uses area code 909.

What time zone is Pomona, California in?

Pomona, California is in the Pacific Time Zone.

Pomona, California Zip Codes

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

Pomona, California has 6 zip codes in this directory: 3 standard delivery ZIPs and 3 PO Box or unique ZIPs.

Q: What county is Pomona, California in?

Pomona is in Los Angeles County, California.

📍 Pomona is in Los Angeles County, California with 6 zip codes; the most populous is 91766.

City

Pomona

County

Los Angeles

Zip Codes

Area Code

909

Pomona is a USPS city name in Los Angeles County, California with a Census population of approximately 155,675 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 Pomona 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 Pomona Zip Codes

ZIP Code	City	County	Population	Median Income	Median Home	Details
91766	Pomona	Los Angeles	69,517	$72,692	$517,500	View →
91767	Pomona	Los Angeles	50,715	$75,870	$547,900	View →
91768	Pomona	Los Angeles	35,443	$71,462	$485,900	View →
91769	Pomona	PO Box ZIP	—	—	—	View →
91797	Pomona	PO Box ZIP	—	—	—	View →
91799	Pomona	PO Box ZIP	—	—	—	View →

Pomona at a Glance

Residents (ZIPs with data)

155,675

Median household income

$72,692

Median home value

$517,500

Price-to-income ratio

7.1

Median rent

$1,651

Owner-occupied

55%

Bachelor's degree+

18%

Poverty rate

14.9%

Pomona has 6 ZIP codes in this directory: 3 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 155,675 residents, the largest being 91766 with 69,517 people.

The median ZIP in Pomona has a household income of $72,692 and a home value of $517,500, a price-to-income ratio of 7.1, above the 6.7 California ZIP median. Affordability ranges from 91768 at a ratio of 6.8 to 91767, where the median home is $547,900. The highest median income is in 91767 at $75,870. Median rent across these ZIPs is $1,651 a month.

55% of households in the typical Pomona ZIP own their home (statewide ZIP median 64%). 18% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 14.9%, above the 10.8% statewide ZIP median. Overall density is about 6,486 residents per square mile across 24 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.