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 information businesses with between one and four employees were in Black Hawk County zip codes during the period from 2012 to 2016.
Information businesses with between one and four employees in Black Hawk County (2012-2016)
Year
Total businesses
2012
16
2013
15
2014
18
2015
18
2016
25
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