Rio is an unincorporated community and census-designated place (CDP) in Washington Parish, Louisiana, United States. It was first listed as a CDP in the 2020 census with a population of 137.
Rio is located at the junction of Louisiana highways 1074 and 1075, south-southwest of Bogalusa.
Rio was first listed as a census designated place in the 2020 U.S. census.
Note: the U.S. Census Bureau 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.
At the 2020 census, its population was 317; and the CDP was predominantly non-Hispanic white.
It is in Bogalusa City Schools, which operates Bogalusa High School.