Census Links is a growing catalog of links to transcriptions of census, tax lists, birth, death, marriage and military records, all freely available to help with your genealogy research.
From the Free African Americans of Virginia, North Carolina, South Carolina, Maryland and Delaware website
Offers the possibility to search directly in the database for individuals from a certain district or year. In order to download the censuses you have to be registered as a user. For the time being it is free of charge.