What is a DMA? Monique Dilonga Updated July 22, 2019 18:58 Follow DMA, or Designated Market Area, is geographic area that represents specific markets as defined by the Nielsen Company. You can find the full list of DMAs here. Related articles How do you track traffic? What is Black Box Intelligence? Who's in the benchmarks? How does Black Box define a comp unit? When and how often do I need to submit? Comments 0 comments Article is closed for comments.