Saucier is a census-designated place (CDP) in Harrison County, Mississippi, United States. It is part of the Gulfport–Biloxi Metropolitan Statistical Area. The population was 1,342 at the 2010 census. It is just north of the city of Gulfport and is growing rapidly. Many of those residents who lost their home near the beach in Hurricane Katrina have migrated more north to Saucier where they can find more acreage and land to accompany their home.