Data Last Updated: July 1, 2025

Sonoma County, CA ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Sonoma, CA.	51 ZIP Codes (32 General, 17 PO Box, 1 Unique, & 1 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Sonoma, CA. Area Codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. There are approximately 350 area codes in use in the United States.	369, 707
Timezone: Time zone designation within the U.S. Please note that not all areas in the U.S. observe daylight saving time which can affect actual local time for this city. There are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau.	Pacific
Local Time: The current local time for each timezone. If more than 1 time zone for this area, all local times will be shown. Counties can cross timezones, so more than 1 may be shown.	12:00:00 AM
Population: The population of Sonoma, CA from the U.S. Census 2020. Included are U.S. Citizens, permanent residents, temporary migrants, and undocumented individuals. The total population represents people who live in the city, not just those present while the Census was being completed.	488,863 [More Details]
FIPS: FIPS stands for Federal Information Processing Standards, which are a set of publicly announced standards for computer systems. A county FIPS code is a unique numeric identifier for a county in the United States, assigned by the National Institute of Standards and Technology (NIST). County FIPS codes have five digits, with the first two digits identifying the state and the last 3 indicating the county.	06097
CBSA: A Core Based Statistical Area (CBSA) is the recognized term for a region that functions around an urban core with a population of at least 10,000 people, according to the standards set by the Office of Management and Budget (OMB) in 2000. A CBSA is divided into two subsets: Metro and Micro, and these classifications are determined by population density. A Micro area is identified by a population ranging between 10,000 to 50,000, while a Metro area is defined as having a population that exceeds 50,000.	Santa Rosa-Petaluma, CA
Land Area: The approximate amount of land area covered by Sonoma, CA in square miles. The Land Area provided by the Census Bureau is based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each city.	1,575 square miles
Water Area: The approximate amount of water area covered by Sonoma, CA in square miles. Calculations by the Census Bureau for Water Area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompasses features such as lakes, reservoirs, rivers, and coastal water bodies.	192 square miles
Coordinates: The latitude/longitude centroid coordinates for Sonoma County, CA.	-122.888249, 38.529018
Quick Link: Copy the direct link to the Sonoma, CACounty page and use anywhere you like!	https://www.zip-codes.com/county/ca-sonoma.asp

Sonoma, CA ZIP Code Boundaries

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Sonoma County, CA Covers 51 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 94515 *	General	Calistoga	6,834	--
ZIP Code 94922	General	Bodega	176	0.04%
ZIP Code 94923	General	Bodega Bay	1,287	0.26%
ZIP Code 94927	P.O. Box	Rohnert Park	0	0.00%
ZIP Code 94928	General	Rohnert Park	47,062	9.63%
ZIP Code 94931	General	Cotati	9,119	1.87%
ZIP Code 94951	General	Penngrove	4,172	0.85%
ZIP Code 94952	General	Petaluma	33,619	6.88%
ZIP Code 94953	P.O. Box	Petaluma	0	0.00%
ZIP Code 94954	General	Petaluma	38,301	7.83%
ZIP Code 94955	P.O. Box	Petaluma	0	0.00%
ZIP Code 94972	General	Valley Ford	146	0.03%
ZIP Code 94975	P.O. Box	Petaluma	0	0.00%
ZIP Code 94999	General	Petaluma	0	0.00%
ZIP Code 95401	General	Santa Rosa	37,272	7.62%
ZIP Code 95402	P.O. Box	Santa Rosa	0	0.00%
ZIP Code 95403	General	Santa Rosa	44,705	9.14%
ZIP Code 95404	General	Santa Rosa	38,034	7.78%
ZIP Code 95405	General	Santa Rosa	22,015	4.50%
ZIP Code 95406	P.O. Box	Santa Rosa	0	0.00%
ZIP Code 95407	General	Santa Rosa	42,504	8.69%
ZIP Code 95409	General	Santa Rosa	27,741	5.67%
ZIP Code 95412	General	Annapolis	275	0.06%
ZIP Code 95416	P.O. Box	Boyes Hot Springs	0	0.00%
ZIP Code 95419	P.O. Box	Camp Meeker	192	0.04%
ZIP Code 95421	General	Cazadero	1,409	0.29%
ZIP Code 95425	General	Cloverdale	11,252	2.30%
ZIP Code 95430	P.O. Box	Duncans Mills	45	0.01%
ZIP Code 95431	P.O. Box	Eldridge	0	0.00%
ZIP Code 95433	P.O. Box	El Verano	0	0.00%
ZIP Code 95436	General	Forestville	5,265	1.08%
ZIP Code 95439	General	Fulton	747	0.15%
ZIP Code 95441	General	Geyserville	1,915	0.39%
ZIP Code 95442	General	Glen Ellen	2,955	0.60%
ZIP Code 95444	General	Graton	710	0.15%
ZIP Code 95446	General	Guerneville	4,690	0.96%
ZIP Code 95448	General	Healdsburg	16,245	3.32%
ZIP Code 95450	General	Jenner	372	0.08%
ZIP Code 95452	General	Kenwood	1,141	0.23%
ZIP Code 95462	General	Monte Rio	1,249	0.26%
ZIP Code 95465	General	Occidental	1,959	0.40%
ZIP Code 95471	P.O. Box	Rio Nido	677	0.14%
ZIP Code 95472	General	Sebastopol	28,430	5.82%
ZIP Code 95473	P.O. Box	Sebastopol	0	0.00%
ZIP Code 95476	General	Sonoma	34,575	7.07%
ZIP Code 95480	P.O. Box	Stewarts Point	64	0.01%
ZIP Code 95486	P.O. Box	Villa Grande	71	0.01%
ZIP Code 95487	P.O. Box	Vineburg	0	0.00%
ZIP Code 95492	General	Windsor	27,819	5.69%
ZIP Code 95497	P.O. Box	The Sea Ranch	1,159	0.24%

* Indicates a Multi County ZIP Code. These ZIP Codes partially cross over into Sonoma, CA, but will mostly cover area in a different County. Not included in % of Population calculations.

Important Sonoma, CA Information

Sonoma County, CA Covers 51 ZIP Codes. This includes 32 General ZIP Codes, 17 PO Box ZIP Codes, and 1 Unique (reserved for Business and Volume Mail Receivers). There is also 1 Multi County ZIP Code in this area. This record is assigned to a different county, but it does partially cover area in Sonoma County.

The population for Sonoma County is 488,863, according to the U.S. Census. Population Density is 310.39 persons per square mile. With 204,742 Housing Units, the Average Household Size is 2.56 persons. There are 187,701 Family Households with an Average Family Size of 3.10 persons. 4.70% of the population is without Health Insurance. The 61.11% Employment Rate is 1.31% above the national average of 59.8%.353,701 people aged 25+ have some educational achievement, with 37.85% (or 133,865 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 2 area codes serving this area including369 and 707. Sonoma is also located in the Pacific timezone and the current local time is shown above.

Sonoma is part of the Santa Rosa-Petaluma, CA Core Based Statistical Area (CBSA). Its CBSA Code is 42220.It is classified as a metro area, which means the combined population is 50,000 or more (at its core).

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more (for a micro area) and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.

ZIP Codes in Sonoma, CA have 197,746 Residential mailboxes and 15,056 Business mailboxes.There are 14,589 businesses with a total of 173,402 employees. That is an average of 11.9 employees per business. Annual payroll for these businesses is $11,380,712,000. Other Demographics

Sonoma County Demographic Profile

Population & People

Total Population

488,863

Income

Median Household Income

$102,840

Housing

Total Housing Units

204,742

Health

Without Healthcare Coverage

4.70%

Business & Economy

Total Businesses

14,589

Families

Total Households

187,701

Employment

Employment Rate

61.11%

Education

Bachelor's Degree or Higher

37.85%

Total Population: Total number of people from the 2020 U.S. Census for Sonoma, CA. This reflects the exact count of this area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census.	488,863
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Sonoma, CA. This is derived from known delivery information, household occupancy rates, household size, and more to come up with an accurate estimation for the current population. IMPORTANT: This does not include population totals for persons in nursing homes, correctional facilities, or other institutions. This is an estimation of the household population based on US Postal Service delivery information.	507,588
Total Households: Total number of Households from the 2020 U.S. Census for Sonoma, CA. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	187,701
Total Housing Units: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate.	204,742
Average Household Size: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.56
Average Family Size: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	3.10

Other Sonoma Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	197,746
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	15,056
Total Delivery Receptacles: The total number of delivery receptacles. This includes curb side mailboxes, centralized units, PO Boxes, NDCBU, and contract boxes. This count is for Residential and Business combined.	263,522
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	136,043
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	23,193

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	14,589
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$2,645,597,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$11,380,712,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	173,402

Sum of all ZIP Codes assigned Sonoma, CA as their primary County.

References

U.S. Postal Service [Last Updated: 7/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 7/1/2025], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov