Paris is a city in and the county seat of Henry County, Tennessee, United States. As of the 2020 census, the city had a population of 10,316. A …Paris is a city in and the county seat of Henry County, Tennessee, United States. As of the 2020 census, the city had a population of 10,316. A 70-foot replica of the Eiffel Tower stands in the southern part of Paris.