Chatsworth is a city in and the county seat of Murray County, Georgia, United States. It is part of the Dalton, Georgia, Metropolitan Statistical Area. Its population was 4,874 at the 2020 census, up from 4,299 in 2010. The city is the site of the coldest recorded temperature in Georgia, −17 °F on January 27, 1940. According to a popular legend, the town received its name after a road sign with the word "Chatsworth" fell off a passing freight train nearby.