Mahoning County, Ohio

Mahoning County: County in Ohio, United States

About

Mahoning County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 238,823 and a population density of 218 people per km². After 10 years in 2020 county had an estimated population of 226,075 inhabitants. Its county seat is Youngstown. The county was created 178 years ago in 1846.

Mahoning County locator map
Location of Mahoning County on Ohio map.

Quick Facts about Mahoning County

Population : 226,075 (2020)
Country : United States of America
State : Ohio (United States)
Plate code : 50
Area : 1097 km2
Water as percent of area : 3.2%
Land as percent of area : 96.8%
Named for : Mahoning River
Altitude : 1,089 feet / 332 meters
Capital : Youngstown
Establishment : March 03, 1846
Time Zone : America/New_York
Local time : 03:48:42 (22nd February 2025)
Density : 206 Pop. per km² as of 2020
Population growth : -5.64% (2010-2020)
Mah Cty Courthse image
Mah Cty Courthse
Mah Cty Courthse image
Mah Cty Courthse image

Geography

Mahoning County is located at 41°0'53"N 80°46'35"W (41.0146400, -80.7762900). It has 4 neighbors: Columbiana County, Stark County, Trumbull County and Mercer County.

Mahoning County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Mahoning County is Youngstown with a population of 63,828. Other cities include, Boardman population 38,592, Struthers population 10,039, Canfield population 8,171 and Campbell population 7,733. See all Mahoning County cities & populated places.

Mahoning County Populated Places

Cities, towns, neighborhoods & other populated places in Mahoning County.

City Name Population Title
Youngstown 63,828 The most populous city in Mahoning County, Ohio.
Boardman 38,592 City in Oregon, USA
Austintown 34,664 Census designated place
Struthers 10,039 City in Mahoning County, Ohio, United States of America
Canfield 8,171 City in Mahoning County, Ohio, United States of America
Campbell 7,733 City in Ohio, USA
Sebring 4,157 Town in Mahoning County, Ohio
Poland 2,363 Village in Ohio, United States
Ellsworth 2,099 City in Ohio, United States of America
Damascus 1,733 Census-designated place in Ohio, United States
New Middletown 1,547 City in Mahoning County, Ohio, United States of America
Craig Beach 1,110 City in Mahoning County, Ohio, United States of America
Lowellville 1,080 Village in Mahoning County, Ohio, United States
Beloit 923 Village in the United States
Fredericksburg 414 Village in Ohio, United States

Mahoning County has 4 neighbours.

  • Youngstown

Demographics

According to census records, the population of Mahoning County decreased by 5.64% in 10 years.

Year Population % Change Method
2010 238,823 - census
2011 237,363 -0.62% estimation process
2012 235,702 -0.7% estimation process
2013 234,393 -0.56% estimation process
2014 233,391 -0.43% estimation process
2015 231,846 -0.67% estimation process
2016 230,269 -0.68% estimation process
2017 229,791 -0.21% estimation process
2018 229,216 -0.25% estimation process
2019 228,683 -0.23% estimation process
2020 226,075 -1.15% estimation process

Comitatul Mahoning, Comte de Mahoning, Comté de Mahoning, Condado de Mahoning, Condado han Mahoning, Contea di Mahoning, Hrabstwo Mahoning, Magoning, Mahoning, Mahoning Comitatus, Mahoning Kun, Mahoning Kūn, Mahoning konderria, Mahoning megye, Mahoningin piirikunta, Makhoning, Okrug Makhoning, Quan Mahoning, Quận Mahoning, ma huo ning xian, mahonim ka'unti, mahoningu jun, mqatʿt mahwnngh, shhrstan mahwnyng awhayw, Магонінґ, Махонинг, Округ Махонинг, شهرستان ماهونینگ، اوهایو, ماہوننگ کاؤنٹی, ماہونینگ کاؤنٹی، اوہائیو, مقاطعة ماهوننغ, মাহোনিং কাউন্টি, マホニング郡, 馬霍寧縣

People born in Mahoning County (5)

People born in Mahoning County, including politician Jonas H. McGowan, physicist William Coblentz, Vince Penza, .

List

Ohio Other Counties (more counties)

County Name Population Title
Franklin County 1,324,624 County in Massachusetts, United States
Cuyahoga County 1,227,883 County in Ohio, United States
Columbus 884,356 The fifteenth most populous city in the United States and the center of the Columbus metropolitan area.
Hamilton County 817,985 County in New York, United States
Summit County 538,866 County in northern Utah, United States
Montgomery County 531,610 County in Ohio, United States
Lucas County 428,294 County in Ohio, United States
Butler County 385,648 County in Ohio, United States of America
Cleveland 378,589 The second most populous city in Ohio and the center of the Cleveland metropolitan area.
Stark County 369,772 County in Ohio, United States
Lorain County 312,172 County in Ohio, United States
Cincinnati 304,548 The third most populous city in Ohio and the center of the Cincinnati metropolitan area.
Toledo 271,455 The fourth most populous city in Ohio and the center of the Toledo metropolitan area.
Warren County 238,412 County in New York, United States
Lake County 229,569 County in Ohio, United States
Delaware County 213,554 County in Ohio, United States