'''New Madrid''' is the county seat and largest community of [[New Madrid County, Missouri|New Madrid County]], [[Missouri]], which is named for it. It had a population of 3,116 at the 2010 census. | '''New Madrid''' is the county seat and largest community of [[New Madrid County, Missouri|New Madrid County]], [[Missouri]], which is named for it. It had a population of 3,116 at the 2010 census. |