Definitions for "Designated Market Area"
Keywords:  nielsen, dma, metro, alaska, overlap
The local U.S. TV markets defined by Nielsen Media Research as local share of viewing to broadcast TV stations assigned by county. Nielsen currently lists 210 DMA's and updates annually.
similar to ADI. DMA is Nielsen's term to describe a specific TV market area. Nielsen counts 211 distinct TV markets in the U.S.
Defines geographic areas; similar to MSAs and media markets