Natalbany is a census-designated place (CDP) in Tangipahoa Parish, Louisiana, United States. The population was 1,739 at the 2000 census. It is part of the Hammond Micropolitan Statistical Area. In 2009, Natalbany was among the first communities in Louisiana to get Louisiana's new black-and-white state highway shields. Shown here: LA 1064 from Natalbany center, looking east.