What is the population of Rio Grande?

The population of Rio Grande, OH is 777.

Where is Rio Grande located?

Rio Grande, OH is located at latitude 38.8795200 and longitude -82.3804300. It is in United States.

What is the area of Rio Grande?

The area of Rio Grande, OH is 3.540852 km².

What is the elevation of Rio Grande?

Rio Grande, OH has an elevation of 198 meters (650 feet) above sea level.

What time zone is Rio Grande in?

Rio Grande, OH is in the America/New_York time zone.

What state is Rio Grande in?

Rio Grande is in the state of Ohio, United States.

What county is Rio Grande, OH in?

Rio Grande is in Gallia County, Ohio.

How has the population of Rio Grande changed?

The population of Rio Grande, OH has decreased from 830 (2010) to 777 (2020), a change of -6.4%.

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Rio Grande, Ohio

Rio Grande: village in Gallia County, Ohio, United States

About

Rio Grande is a village located in the county of Gallia in the U.S. state of Ohio. Its population at the 2010 census was 830 and a population density of 234 people per km². After 10 years in 2020 city had an estimated population of 777 inhabitants.

Quick Facts about Rio Grande

Population	777 (2020)
Country	United States of America
State	Ohio (United States)
County	Gallia County
Postal code	45674
Area	3.54 km²
Latitude & Longitude	38.8795,-82.3804
Named for	Rio Grande
Altitude	650 feet / 198 meters
Time Zone	America/New_York
Local time	19:57:31 (17th April 2026)
Density	219 Pop. per km² as of 2020
Population growth	-6.82% (2010-2020)
Weather	83℉ Chance Rain Showers then Mostly Sunny 7-days weather

Geography

Rio Grande is located at 38°52'46"N 82°22'50"W (38.8795200, -82.3804300).

Rio Grande map

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Weather

83°F

Chance Rain Showers then Mostly Sunny

7 mph W Friday

A chance of rain showers before 8am. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

7-Day Forecast

Demographics

According to census records, the population of Rio Grande decreased by 6.82% in 10 years.

Year	Population	% Change	Method
2010	830	-	census
2011	926	10.37%	estimation process
2012	870	-6.44%	estimation process
2013	814	-6.88%	estimation process
2014	837	2.75%	estimation process
2015	855	2.11%	estimation process
2016	857	0.23%	estimation process
2017	812	-5.54%	estimation process
2018	781	-3.97%	estimation process
2019	781	0%	estimation process
2020	777	-0.51%	estimation process

Rio Grande zip code is 45674. County name: Gallia, County fips: 39053

People born in Rio Grande (2)

People born in Rio Grande, including politician Clyde Evans, Davis Eugene Boster, .

More notable people

Nearby Schools and Colleges

Schools and campuses linked to Rio Grande, OH. Select a name to open its map and contact details.

Code	Name	City	ZIP
205203	University of Rio Grande	Rio Grande (OH)	45674

Nearby Transit Stations (4)

Rail and bus stations connected to Rio Grande, OH. Select a station to open its map and address details.

Code	Name	Address	Type
AKY	Ashland Transportation Center	99 15th Street	RAIL
HUN	Huntington	1050 8th Avenue	RAIL
SPM	South Portsmouth–South Shore station	Main St & US 23	RAIL
CHW	Charleston	350 MacCorkle Avenue - Southeast	RAIL

Nearby Post Offices

Closest post offices linked to Rio Grande.

Post Office Name	City	ZIP
Rio Grand Post Office	Rio Grande (OH)	45674

Other cities in Gallia County

Cities, towns, neighborhoods & other populated places in Gallia County , OH.

City Name	Population	Title
Porter	9,135	Township of Ohio
Swan Creek	8,398	Township in Fulton County, Ohio
Gallipolis	3,545	Town in Ohio
Addison	2,124	Township in Gallia County, Ohio
Vinton	528	Village in Ohio
Spring Valley	500	Human settlement in Greene County, Ohio, United States of America
Crown City	399	Human settlement in Gallia County, Ohio, United States of America
Cheshire	127	Village in Gallia County, Ohio
Adamsville	124	Human settlement in Ohio, United States of America