Patrick Dempsey's nearest audiences are a dense mix of country musicians, reality TV stars, and fellow actors — with no single neighbor pulling far ahead of the rest.
The shape is flat: scores run from 0.92 at the top down to 0.86 at position 10, a narrow band with no structural spike. Maci McKinney leads at 0.92, followed closely by Bindi Irwin (0.91, TV Personalities) and Adam Levine (0.91, Musicians and Bands). The dominant subcategory across the top 10 is Musicians and Bands — Carrie Underwood (0.90), Brad Paisley (0.90), and Trisha Yearwood (0.89) all appear — and most of them are country artists. Reality TV Stars form the second cluster: Tyler Baltierra (0.89), Catelynn Baltierra (0.89), and Maci McKinney all register in the upper range. Actors — Dempsey's own subcategory — account for two of the ten neighbors: Jeffrey Dean Morgan at 0.89 and Chad Michael Murray at 0.87. The remaining neighbor is Jimmie Johnson (0.87, Athletes), the only non-musician, non-reality, non-actor entry in the set.
The overall picture is an audience that overlaps broadly with mainstream American entertainment — country music fandom and reality TV viewership in particular — rather than clustering tightly around any single peer.