City-Data.com is a freely available that compiles information on US cities and counties blending both publicly available records with those available from other private sources and user contributed information. Included on the site are data on income, education, crime, race, weather, housing and other information. This site is maintained by Advameg, Inc., though the company notes that certain information may be hidden or incorrect based on external sources of information. Information sources are not always cited on subpages, and there are numerous disclaimers throughout the site to point to potential inadvertent errors or possible pieces of outdated information. City-Data.com was launched in 2003 and has ranked in the top 100 most frequented websites in the USA (Quantcast Top sites, 2014).
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