CBP data indicates that there are more establishments categorized as retail trade businesses with between five and nine employees in Sonoma County zip codes than in any other category.
The following table shows how many health care and social assistance businesses with between five and nine employees were in Sonoma County zip codes during the period from 2012 to 2016.
Health care and social assistance businesses with between five and nine employees in Sonoma County (2012-2016)
Year
Total businesses
2012
363
2013
374
2014
368
2015
381
2016
374