What is the population of Adelphi?

The population of Adelphi, OH is 374.

Where is Adelphi located?

Adelphi, OH is located at latitude 39.4667300 and longitude -82.7471100. It is in United States.

What is the area of Adelphi?

The area of Adelphi, OH is 0.711399 km².

What is the elevation of Adelphi?

Adelphi, OH has an elevation of 256 meters (840 feet) above sea level.

What time zone is Adelphi in?

Adelphi, OH is in the America/New_York time zone.

What state is Adelphi in?

Adelphi is in the state of Ohio, United States.

What county is Adelphi, OH in?

Adelphi is in Ross County, Ohio.

How has the population of Adelphi changed?

The population of Adelphi, OH has decreased from 380 (2010) to 374 (2020), a change of -1.6%.

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Adelphi, Ohio

Adelphi: village in Ross County, Ohio, United States

About

Adelphi is a village located in the county of Ross in the U.S. state of Ohio. Its population at the 2010 census was 380 and a population density of 534 people per km². After 10 years in 2020 city had an estimated population of 374 inhabitants.

Adelphi locator map — Location of Adelphi on Ohio map.

Quick Facts about Adelphi

Population	374 (2020)
Country	United States of America
State	Ohio (United States)
County	Ross County
Postal code	43101
Area	0.71 km²
Latitude & Longitude	39.4667,-82.7471
Altitude	840 feet / 256 meters
Time Zone	Eastern Time Zone
Local time	17:57:28 (22nd April 2026)
Density	526 Pop. per km² as of 2020
Population growth	-1.6% (2010-2020)
Weather	74℉ Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 7-days weather

Adelphi Ohio image

Geography

Adelphi is located at 39°28'0"N 82°44'50"W (39.4667300, -82.7471100).

Adelphi map

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Weather

74°F

Showers And Thunderstorms Likely then Chance Showers And Thunderstorms

9 mph W Wednesday

Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms between 7am and 8am, then showers and thunderstorms likely bet...

7-Day Forecast

Demographics

According to census records, the population of Adelphi decreased by 1.6% in 10 years.

Year	Population	% Change	Method
2010	380	-	census
2011	377	-0.8%	estimation process
2012	377	0%	estimation process
2013	378	0.26%	estimation process
2014	377	-0.27%	estimation process
2015	375	-0.53%	estimation process
2016	374	-0.27%	estimation process
2017	376	0.53%	estimation process
2018	374	-0.53%	estimation process
2019	375	0.27%	estimation process
2020	374	-0.27%	estimation process

Adelphi zip code is 43101. County name: Ross, County fips: 39141

Adelph, Adelpha, Adelphi Station, Adelphia

Nearby Schools and Colleges

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

Code	Name	City	ZIP
201964	Ohio Christian University	Circleville (OH)	43113-9487

Nearby Transit Stations (3)

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

Code	Name	Address	Type
COL	Columbus, OH	111 East Town Street	BUS
SPM	South Portsmouth–South Shore station	Main St & US 23	RAIL
AKY	Ashland Transportation Center	99 15th Street	RAIL

Nearby Post Offices

Closest post offices linked to Adelphi.

Post Office Name	City	ZIP
Laurelvill Post Office	Laurelville (OH)	43135

Other places with the same name (1)

Adelphi, Maryland census designated place in Prince George's County, Maryland, United States with a population of 15,086 people.

Other cities in Ross County

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

City Name	Population	Title
Anderson	44,059	A city in Madison County, Ohio.
Chillicothe	21,647	City in and the county seat of Ross County, Ohio, United States
Carey	3,540	City in Wyandot County, Ohio, United States of America
Harris	2,920	Township in Ottawa County, Ohio
North Fork Village	1,991	Unincorporated community in Ross County, Ohio
Kingston	1,015	Village in Ohio, USA
Frankfort	988	City in Ross County, Ohio, United States of America
Bainbridge	846	Census-designated place in Geauga County, Ohio
Londonderry	707	City in Ohio, United States of America
Clarksburg	441	Village in the United States
South Salem	198	City in Ross County, Ohio, United States of America