New York—Crain Communications Inc. has acquired American Demographics from Primedia. Terms of the deal were not disclosed. AdAge.com reported that American Demographics, which was started in 1979 and provides consumer demographic data and analysis, will publish its last issue as a separate magazine in November. American Demographics brands of analysis will become a regular feature in Advertising Age, in print and online, both as targeted special reports and as part of Advertising Age's ongoing coverage of marketing, consumer trends and demographics, according to AdAge.com. Advertising Age is a sibling publication of BtoB.