Signal Hill Insights' Demos+ study, conducted with Triton Digital, surveys more than 3,000 monthly US podcast consumers every quarter, and its latest wave shows the audience now skews Independent. In 2022, 39% of the audience identified as Democrats and 26% as Republicans. By 2025 the audience had split evenly at 33% each, with Democrats at their lowest share since the study began asking and Republicans up 7 points as monthly podcast listening among Americans 12+ grew from 38% to 48% (per Infinite Dial). In Q3 2026, Independents are the largest group at 39%, followed by Democrats at 33% (stable year over year) and Republicans at 29% (down 4 points from 2025). General-population Gallup data puts Independents at 45% of adults, 30% Democrat, and 25% Republican. With 470 Congressional seats up in the midterms, half of podcast-consuming registered voters told Voxtopica and Signal Hill's earlier study The Podcast Influence that podcasts had at least some influence on their 2024 vote.

Substack announced dynamic ad insertion for the podcasts it hosts, and per Adweek, podcasters with paid subscriptions turned on can request early access beginning Wednesday. They can run campaigns with their own sponsors, serve different ads to different listeners, and update ads across back catalogs without re-editing episodes, or fill breaks through programmatic marketplaces. The revenue share is still being developed, with monetization beginning in earnest in 2027. Sounds Profitable Partner Bryan Barletta told Adweek that dynamic ad insertion has given even some of podcasting's largest companies significant trouble, and that buyers will want to know which attribution partners, DSPs, and marketplaces Substack will use, and whether it will support prefix-based analytics and HLS video. "It doesn't mean Substack isn't or hasn't already solved for this," Barletta said. "But as an industry, we're just currently left with some question marks." He added that the bigger opportunity is bringing Substack's newsletter sponsorship formats to audio.

Point-To-Point Marketing and Strategic Solutions Research closed out The Podcast Study 2026 webinar series on October 20 with "What Radio Can Learn from The Podcast Study," presented by Strategic Solutions Research's Hal Rood and Point-To-Point Marketing's Tim Bronsil. The national study surveyed 1,205 US podcast consumers and found 74% listen to local radio at least weekly and 46% listen daily. Among daily radio listeners, 47% said host-read ads strongly influence them to try or buy, compared with 34% for prerecorded ads, and 62% said they stay through host-read ads. The webinar also covered how radio hosts can deepen audience relationships across platforms, noting that social media and word of mouth are the two leading sources of podcast discovery.

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