CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between five and nine employees in San Mateo County zip codes than in any other category.
The following table shows how many finance and insurance businesses with between five and nine employees were in San Mateo County zip codes during the period from 2012 to 2016.
Finance and insurance businesses with between five and nine employees in San Mateo County (2012-2016)
Year
Total businesses
2012
219
2013
220
2014
233
2015
244
2016
256