Slaughter is a town in East Feliciana Parish, Louisiana, United States. The population was 997 at the 2010 U.S. census, down from 1,011 at the 2000 U.S. census. In the 2020 population estimates program, the U.S. Census Bureau estimated that 882 people lived in the township. Slaughter is part of the Baton Rouge metropolitan statistical area.