A graduate student Thursday night asked for help locating the size of the gay/lesbian/bisexual market. We found some recent articles mentioning a survey by Harris Interactive and Witeck-Combs Communications. (The survey has been taken several times.) For information on the survey results, released in late Jan. 2005, please see:
http://www.harrisinteractive.com/news/allnewsbydate.asp?NewsID=889">
Harris Interactive
National Survey Shows Gay-Specific Marketing Practices May Influence Brand Loyalty and Purchase Decisions of Gays, Lesbians and Bisexuals and

Witeck-Combs Communications at
http://www.witeckcombs.com/show.news.asp?id=311&format=pdf.