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County ProfileCA

Sonoma County

Population: 488,863 · 49 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
488,863
People
Median age
42.9
Housing
Total households
190,998
Income
Median household income
$104,674
Housing
Total housing units
207,699
Employment
Employment rate
60.2%
Education
Bachelor’s degree or higher
38.5%
Healthcare
Insured population
94.9%
County details
Local time 01:26:57(PT)
NameSonoma
Total ZIP codes49total
ZIP codes (by type)
32 Standard16 PO Box1 Unique
Area code369, 707
TimezonePacific Time (PT)
Coordinates38.5251824, -122.9261095
Land area1,575.3 sq miles(4,080.1 km²)

Map of Sonoma county, California with ZIP codes

Map of Sonoma County, California and ZIP codes

Cities and Communities in Sonoma County

Compare the largest cities in Sonoma County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Santa Rosa178,127$99,6818ZIPs
Petaluma59,776$115,4306ZIPs
Rohnert Park44,390$99,2733ZIPs
Windsor26,344$133,9791ZIPs
Healdsburg11,340$103,5541ZIPs
Sonoma10,739$98,5271ZIPs
Cloverdale8,996$117,1771ZIPs
Cotati7,584$110,7501ZIPs
Sebastopol7,521$87,6842ZIPs
Boyes Hot Springs6,215$101,2881ZIPs
Guerneville4,552$81,2811ZIPs
El Verano3,867$123,7381ZIPs
Forestville3,264$115,9621ZIPs
Penngrove2,637$107,1471ZIPs
Graton1,683$91,4291ZIPs
Eldridge1,312$121,9381ZIPs
The Sea Ranch1,159—1ZIPs
Occidental1,132$108,2071ZIPs
Monte Rio1,080$63,7501ZIPs
Bodega Bay912$182,8981ZIPs
Geyserville861$125,0931ZIPs
Kenwood852$99,5261ZIPs
Glen Ellen714$202,0971ZIPs
Rio Nido677—1ZIPs
Fulton551$183,1581ZIPs
Cazadero298$96,8061ZIPs
Annapolis275—1ZIPs
Bodega211$90,6251ZIPs
Camp Meeker192—1ZIPs
Valley Ford148—1ZIPs
Jenner122—1ZIPs
Villa Grande71—1ZIPs
Stewarts Point64—1ZIPs
Duncans Mills45—1ZIPs

— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Sonoma County

Review the most populated postal areas across Sonoma County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
94928Rohnert Park$99,28047,062
95403Santa Rosa$94,48044,705
95407Santa Rosa$82,80742,504
94954Petaluma$113,52738,301
95404Santa Rosa$102,80238,034
95401Santa Rosa$93,51337,272
95476Sonoma$105,37434,575
94952Petaluma$117,34333,619
95472Sebastopol$108,92528,430
95492Windsor$134,21127,819
95409Santa Rosa$105,73627,741
95405Santa Rosa$117,93122,015
95448Healdsburg$105,12016,245
95425Cloverdale$119,09211,252
94931Cotati$101,9949,119
95436Forestville$109,5315,265
95446Guerneville$85,8334,690
94951Penngrove$106,3324,172
95442Glen Ellen$164,7502,955
95465Occidental$120,7811,959

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS