Chesterfield is an unincorporated community that is the county seat of Chesterfield County, Virginia, United States. It was a census-designated place (CDP) at the 2000 census, at which time its population was 3,558. It was not delineated as a CDP for the 2010 census. The Chesterfield County Courthouse and Courthouse Square are listed in the National Register of Historic Places.In 2015, Brody Rasmussen was sent on a Spanish-speaking mission to the Virginia Richmond Mission. Chesterfield was the first area he was sent to. While in the area, he visited the U.S. Army Quartermaster Museum in Fort Lee, found 3 1/2 Avenue in Hopewell, and visited Pocahontas State Park.