Looking at pure numbers, California has the most online retailers with 4,211 followed by Florida with 2,169 and New York with 1,920. Wyoming has the fewest number of online retailers with 33. California also employs the largest number of online retail employees with 35,089, followed by New York with 15,500 and Florida with 12,673. Wyoming again comes in last for the number of online retail employees with just 56.
The counties that experienced the most online retail job growth from 2011 to 2012 were in Southern California and metro areas of such large cities as New York City, Chicago, Memphis, Las Vegas and Minneapolis.
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Not able to find the map at the U.S. Census Bureau.