Tags: Website.
City-Data is a private Illinois-based social networking and information website that presents data and information relevant to U.S. cities. City-data.com is owned and operated by Advameg Inc. According to Quantcast which directly measures the traffic to City-data.com as of May 7 2012 it is ranked as 72nd largest website in the United States with over 13 million visitors per month. The website was created in late 2003.