Rio is a CDP located in St. Tammany Parish, Louisiana. Rio has a 2025 population of 334. Rio is currently growing at a rate of 7.05% annually and its population has increased by 8.44% since the most recent census, which recorded a population of 308 in 2020.
The median age in Rio is 13.2 years: 4.7 years for males, and 13.4 years for females.
Data after 2023 is projected based on recent change
The racial composition of Rio includes 100% White, and smaller percentages for and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 217 | 100% |
Married
Widowed
Divorced
Separated
Never Married