According to data in the Cannabiz Media License Database, the 10 states with the highest number of hemp cultivator licenses as of September 1, 2019 are:

  1. Tennessee: 2,913
  2. Oregon: 2,534
  3. Kentucky: 972
  4. Colorado: 759
  5. New York: 422
  6. North Carolina: 396
  7. Pennsylvania: 328
  8. Vermont: 311
  9. California: 291
  10. Montana: 258

 

The 2018 U.S. Hemp Crop Report from Vote Hemp found that 23 states grew (or started to grow) a total of 78,175 acres of hemp in 2018. Among those states, the five leaders were:

  1. Montana: 22,000 acres
  2. Colorado: 21,578 acres
  3. Oregon: 7,808 acres
  4. Kentucky: 6,700 acres
  5. Tennessee: 3,338 acres

Source:  https://cannabiz.media/state-of-the-hemp-industry-in-2019/