Kannapolis is a city in Cabarrus and Rowan counties in the U.S. state of North Carolina, northwest of Concord and northeast of Charlotte. The population was 42,625 at the 2010 census, which makes Kannapolis the 20th largest city in North Carolina. It is the home of the Kannapolis Intimidators, the Class A baseball affiliate of the Chicago White Sox, and it is the hometown of the Earnhardt racing family.