Sonoma County Population 2017

Sonoma County's estimated population is 503,070 with a growth rate of 0.32% in the past year according to the most recent United States census data. Sonoma County is the 17th largest county in California.

Year Population Growth Growth Rate
2016503,0701,5960.32%
2015501,4742,3060.46%
2014499,1684,5110.91%
2013494,6574,1480.85%
2012490,5092,8680.59%
2011487,6412,8240.58%
2010484,81796,59524.88%
1990388,22288,54129.55%
1980299,68194,79646.27%
1970204,88557,51039.02%
1960147,37543,97042.52%
1950103,40534,35349.75%
194069,0526,83010.98%
193062,22210,13219.45%
192052,0903,6967.64%
191048,3949,91425.76%
190038,4805,75917.60%
189032,7216,79526.21%
188025,9266,10730.81%
187019,8197,95267.01%
186011,86711,3072019.11%
18505600.00%

Sonoma County Population Growth

Population Data via

Sonoma County Race Data

Race Population Percentage
White438,26587.12%
Asian21,4514.26%
Two or More Races19,1673.81%
American Indian and Alaska Native11,0802.20%
Black or African American9,6331.91%
Native Hawaiian and Other Pacific Islander1,8780.37%

Sonoma County Population Pyramid

0k5k10k15k20kSonoma County Male Population0k5k10k15k20kSonoma County Female Population

Population of Cities in Sonoma County

City 2010 Census 2016 Estimated Growth Growth Rate
Santa Rosa16783417515573214.36%
Petaluma579416053025894.47%
Rohnert Park408184262218044.42%
Windsor26795275557602.84%
Healdsburg11254118275735.09%
Sonoma10652110544023.77%
Cloverdale861888011832.12%
Sebastopol739276782863.87%
Cotati726574551902.62%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990