Podcast Audience Grows 40% In One Year

A January 2008 Arbitron-Edison Media Research study found that Podcasting use is rising and now reaches 18% of the US population, up from 13% a year ago. An estimated 23 million, or 9% of Americans had listened to a podcast in the past month! Brief summary of report at study page. PDF of report is also linked to this post below.

This report also has information on radio and satellite radio use, social networking usage, and iPod. The is from the traditionally radio back ground (Arbitron is a media and marketing research firm serving the radio, television, cable, online radio and out-of-home media industries). However, the report does provide some usable context around the delivery of media and its delivery channels.