What is the main zip code for Petaluma, California?

94954 is the most populous Petaluma ZIP code in Census data with about 38,201 residents.

What is the area code for Petaluma, California?

Petaluma, California uses area code 707.

What time zone is Petaluma, California in?

Petaluma, California is in the Pacific Time Zone.

Petaluma, California Zip Codes

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

Petaluma, California has 6 zip codes in this directory: 2 standard delivery ZIPs and 4 PO Box or unique ZIPs.

Q: What county is Petaluma, California in?

Petaluma is in Sonoma County, California.

📍 Petaluma is in Sonoma County, California with 6 zip codes; the most populous is 94954.

City

Petaluma

County

Sonoma

Zip Codes

Area Code

707

Petaluma is a USPS city name in Sonoma County, California with a Census population of approximately 38,201 across its ZIP codes. Sonoma County as a whole has 51 ZIP codes in this directory. Below you'll find every zip code serving Petaluma 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 Petaluma Zip Codes

ZIP Code	City	County	Population	Median Income	Median Home	Details
94952	Petaluma	Marin	33,519	$110,739	$959,400	View →
94953	Petaluma	PO Box ZIP	—	—	—	View →
94954	Petaluma	Sonoma	38,201	$108,630	$750,000	View →
94955	Petaluma	PO Box ZIP	—	—	—	View →
94975	Petaluma	PO Box ZIP	—	—	—	View →
94999	Petaluma	PO Box ZIP	—	—	—	View →

Petaluma at a Glance

Residents (ZIPs with data)

71,720

Median household income

$109,685

Median home value

$854,700

Price-to-income ratio

7.8

Median rent

$2,280

Owner-occupied

62%

Bachelor's degree+

42%

Poverty rate

5.9%

Petaluma has 6 ZIP codes in this directory: 2 standard delivery ZIPs and 4 PO Box or unique ZIPs that carry no resident population in Census data. The 2 ZIPs with published Census housing data cover 71,720 residents, the largest being 94954 with 38,201 people.

The median ZIP in Petaluma has a household income of $109,685 and a home value of $854,700, a price-to-income ratio of 7.8, above the 6.7 California ZIP median. Affordability ranges from 94954 at a ratio of 6.9 to 94952, where the median home is $959,400. The highest median income is in 94952 at $110,739. Median rent across these ZIPs is $2,280 a month.

62% of households in the typical Petaluma 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 5.9%, below the 10.8% statewide ZIP median. Overall density is about 275 residents per square mile across 261 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.