Metairie is an unincorporated community and census-designated place in Jefferson Parish, Louisiana, United States, and is part of the New Orleans metropolitan area. With a population of 143,507 in 2020, Metairie is the largest community in Jefferson Parish and was the fifth-largest CDP in the United States. It is an unincorporated area that would have been Loui…Metairie is an unincorporated community and census-designated place in Jefferson Parish, Louisiana, United States, and is part of the New Orleans metropolitan area. With a population of 143,507 in 2020, Metairie is the largest community in Jefferson Parish and was the fifth-largest CDP in the United States. It is an unincorporated area that would have been Louisiana's fourth-largest city behind Shreveport if incorporated.
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