CBP data indicates that there are more establishments categorized as construction businesses with between one and four employees in Yankton County zip codes than in any other category.
The following table shows how many finance and insurance businesses with between one and four employees were in Yankton County zip codes during the period from 2012 to 2016.
Finance and insurance businesses with between one and four employees in Yankton County (2012-2016)
Year
Total businesses
2012
41
2013
37
2014
35
2015
41
2016
44