CBP data indicates that there are more establishments categorized as health care and social assistance businesses with between one and four employees in Milwaukee 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 Milwaukee County zip codes during the period from 2012 to 2016.
Retail trade businesses with between one and four employees in Milwaukee County (2012-2016)
Year
Total businesses
2012
1182
2013
1170
2014
1158
2015
1194
2016
1163