CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Humboldt County zip codes than in any other category.
The following table shows how many retail trade businesses with between one and four employees were in Humboldt County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Humboldt County (2012-2016)
Year
Total businesses
2012
18
2013
18
2014
23
2015
20
2016
20