Gautier is a city in Jackson County, Mississippi, along the Gulf of Mexico west of Pascagoula. It is part of the Pascagoula, Mississippi Metropolitan Statistical Area. The population was 18,572 at the 2010 census. In 2002, Gautier annexed land nearly doubling its population to 18,413 by 2010, according to the Gautier Comprehensive Plan 2030. Locally, the name is pronounced as "GO-chay." Descendants of the Gautier family, for whom it was named, still live in the area.