These and other databases and data sets can be searched by keyword to find statistical data and polling information from major news media.
Center for Population Research in LGBT Health (available through ICPSR database)
Sexuality Information and Education Council of the US
Gay Market Research: Gay/Lesbian Online Census
Gay and Lesbian Stats (excerpt from book edited by Bennet L. Singer & David Deschamps)
Hate Crime Statistics (Federal Bureau of Investigation)
AIDS statistics (from AVERT)