www.FreeDemographics.com The Web site of SRC, a marketing solutions provider, is a gold mine of free census data for direct marketers who can analyze the market potential of any postal carrier route, zip code, or other geography in the U.S. in a split-second. The site offers census data from 1970, 1980, and 1990 for all U.S. geographic areas. Visitors can create online query forms from user-friendly drop-down menus. Results to the queries are delivered immediately in summary, comparison, radius, or ranking reports. Summary reports contain multiple, user-defined variables for a single geography. Comparison reports offer side-by-side comparisons of up to 16 geographies. And ranking reports list multiple geographies by the performance of a specific variable, such as gender, income, employment, housing value, or household composition. An added feature attraction: the site adds full mapping functionality which allows visitors to theme their geographies based on more than 200 variables, such as specific addresses, intersections, or color schemes.