Rio Flag

Rio

County Seat:
No
Area (mi²):
1.133
State:
Louisiana

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.

334
Total Population
295
Density (mi²)
22 7.05%
Growth

Rio Population

Rio Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rio includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White217100%

Rio Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)