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 2026 population of 267. Rio is currently growing at a rate of 6.8% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median age in Rio is 13.2 years: 4.7 years for males, and 13.4 years for females. For every 100 females there are 30.4 males.

267
Total Population
236
Density (mi²)
17 6.8%
Growth

Rio Population

Rio Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026267176.8%
2025250166.84%

Median Age

Overall: 13.2 years
Female: 13.4 years
Male: 4.7 years

Rio Adults

There are 34 adults, (0 of whom are seniors) in Rio.

Sex Ratio

Female: 168 (76.7%)
Male: 51 (23.3%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White219100%
Race
Population ↓
Percentage (of total)
White219100%

Rio Marital Status

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)