Sonoma County Population 2018

Sonoma County's estimated population is 504,217 with a growth rate of 0.08% 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
2017504,2173840.08%
2016503,8331,7370.35%
2015502,0962,5330.51%
2014499,5634,5560.92%
2013495,0074,2670.87%
2012490,7402,9180.60%
2011487,8222,9950.62%
2010484,82796,60524.88%
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
White438,26586.92%
Asian21,4514.25%
Two or More Races19,1673.80%
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

0k5k10k15k20k Male Population0k5k10k15k20k Female Population8580757065605550454035302520151050
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