Echo, LouisianaEcho is an unincorporated community and census-designated place in Rapides Parish, Louisiana, United States. It was first listed as a CDP in the 2020 census with a population of 352.Its ZIP code is 71330.HistoryIn 1907 a mob lynched Henry Johnson, a middle-aged Black man was taken from jail by a mob of 150 white men, who shot him around 50 times.DemographicsEcho first appeared as a census designated place in the 2020 U.S. Census.2020 census''Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race.''