| Rank | County | Businesses | 
|---|---|---|
| 1 | Bergen County, New Jersey | 106,754 | 
| 2 | Essex County, New Jersey | 67,880 | 
| 3 | Middlesex County, New Jersey | 67,778 | 
| 4 | Monmouth County, New Jersey | 63,391 | 
| 5 | Hudson County, New Jersey | 55,520 | 
| 6 | Morris County, New Jersey | 52,546 | 
| 7 | Union County, New Jersey | 48,019 | 
| 8 | Ocean County, New Jersey | 45,546 | 
| 9 | Passaic County, New Jersey | 43,366 | 
| 10 | Camden County, New Jersey | 38,807 | 
| 11 | Burlington County, New Jersey | 34,702 | 
| 12 | Somerset County, New Jersey | 32,225 | 
| 13 | Mercer County, New Jersey | 30,067 | 
| 14 | Atlantic County, New Jersey | 21,027 | 
| 15 | Gloucester County, New Jersey | 20,252 | 
| 16 | Hunterdon County, New Jersey | 15,120 | 
| 17 | Sussex County, New Jersey | 14,840 | 
| 18 | Cape May County, New Jersey | 11,290 | 
| 19 | Warren County, New Jersey | 9,552 | 
| 20 | Cumberland County, New Jersey | 8,637 | 
| 21 | Salem County, New Jersey | 4,585 | 
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