CBP data indicates that there are more establishments categorized as retail trade businesses with between one and four employees in Black Hawk County zip codes than in any other category.
The following table shows how many transportation and warehousing businesses with between one and four employees were in Black Hawk County zip codes during the period from 2012 to 2016.
Transportation and warehousing businesses with between one and four employees in Black Hawk County (2012-2016)
Year
Total businesses
2012
53
2013
50
2014
47
2015
49
2016
47
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