Rio

Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.

City facts

Facts from Wikidata (CC0).

Overview

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.

Demographics & economy

Source: US Census Bureau — American Community Survey, 5-year estimates.

Geography

Coordinates & boundaries from the US Census TIGER/Line shapefiles.

Current forecast

Forecast for Rio, LA from NOAA NWS API.

Health (adults)

Age-adjusted prevalence estimates from CDC PLACES (latest release).

Schools

Public K–12 schools within ~10 mi from Urban Institute Education Data Portal (NCES Common Core of Data, 2022).

Nearby places in Louisiana

• Bogalusa
  6 mi away
• Varnado
  14.5 mi away
• Abita Springs
  16.9 mi away
• Folsom
  18.7 mi away
• Franklinton
  18.7 mi away
• Angie
  19.1 mi away
• Covington
  19.7 mi away
• Mandeville
  25.1 mi away
• Madisonville
  26.1 mi away
• Hammond
  36.1 mi away
• Independence
  36.8 mi away
• Ponchatoula
  37.2 mi away

Browse all places in Louisiana →

Geography & sun

Elevation, sunrise/sunset and daylight from Open-Meteo. Solar climatology from NASA POWER.

Public attention

Pageview totals from the Wikimedia Pageviews API.

Books about Rio

Rio Hondo claims. Letter from the Secretary of the Interior transmitting copy of report on the Rio Hondo claims, Louisiana

United States. Congress. House. Committee on Private Land Claims · 1870

Louisiana and Texas intracoastal waterways, Corpus Christi, Texas, to the Rio Grande section

United States. Congress. House. Committee on Rivers and Harbors · 1941

Historical collections of Louisiana and Florida

B. F. French · 1869

Land claims between the Rio Hondo and the Sabine

United States. General Land Office. · 1836

Record of experiments

Harvey Washington: 1844-1930 Wiley · 1889

Record of experiments ..

Wiley, Harvey Washington · 1889

Record of experiments conducted by the commissioner of agriculture in the manufacture of sugar from sorghum and sugar canes at Fort Scott, Kansas, Rio Grande, New Jersey, and Lawrence, Louisiana

U. S. Dept. of agriculture. Division of chemistry · 1888

The clash and attraction of two cultures

Angel del Río · 1965

Search results from Open Library.

Recent natural events nearby

• Wildfire Merit Creek, Greene, Mississippi
  Wildfires · 2026-09-23 · 67 mi
• Wildfire Jackson - Hwy 90, Jackson, Mississippi
  Wildfires · 2026-08-16 · 87 mi
• Wildfire RAY COAKER, Washington, Alabama
  Wildfires · 2026-09-09 · 104 mi
• Wildfire Round Prarie, Morehouse, Louisiana
  Wildfires · 2026-09-20 · 194 mi
• Prescribed Fire RX CALV BU 104-108, Vernon, Louisiana
  Wildfires · 2026-09-16 · 195 mi
• Wildfire Pine Tree Rd, Union, Arkansas
  Wildfires · 2026-08-20 · 229 mi

Wildfires, storms and other events from NASA EONET (last 12 months, within 250 mi).

Recently spotted species

Virginia creeper

Parthenocissus quinquefolia

Seen 2026-09-25

Gulf Fritillary

Dione vanillae

Seen 2026-09-25

red spider lily

Lycoris radiata

Seen 2026-09-23

Bleufer

Potamilus purpuratus

Seen 2026-09-21

Yellow Sandshell

Lampsilis teres

Seen 2026-09-21

Three-horn Wartyback

Obliquaria reflexa

Seen 2026-09-21

bankclimber

Plectomerus dombeyanus

Seen 2026-09-21

Indian Heliotrope

Heliotropium indicum

Seen 2026-09-21

White Chicken Mushroom

Berkcurtia persicina

Seen 2026-09-18

Research-grade observations from iNaturalist (within ~15 mi).

Nearest stream gauge

Live readings from USGS NWIS · measured 2026-09-26 17:00 UTC.