Montgomery County, Ohio

Montgomery County: County in Ohio, United States

About

Montgomery County is a county located in the U.S. state of Ohio. As of the 2010 census, the population was 535,153 and a population density of 445 people per km². After 10 years in 2020 county had an estimated population of 531,610 inhabitants. Its county seat is Dayton. The county was created 221 years ago in 1803.

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

Quick Facts about Montgomery County

Population : 531,610 (2020)
Country : United States of America
State : Ohio (United States)
Different from : Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County, Montgomery County
Plate code : 57
Area : 1203 km2
Water as percent of area : 0.6%
Land as percent of area : 99.4%
Named for : Richard Montgomery
Capital : Dayton
Establishment : March 03, 1803
Time Zone : America/New_York
Local time : 13:59:48 (21st December 2024)
Density : 442 Pop. per km² as of 2020
Population growth : -0.67% (2010-2020)
Dayton-ohio-courthouse-old image
Dayton-ohio-courthouse-old
Dayton-ohio-courthouse-old image
Dayton-ohio-courthouse-old image

Geography

Montgomery County is located at 39°45'17"N 84°17'26"W (39.7545900, -84.2906800). It has 6 neighbors: Butler County, Clark County, Greene County, Preble County, Darke County and Miami County.

Montgomery County map

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The largest city of Montgomery County is Dayton with a population of 139,907. Other cities include, Kettering population 54,313, Huber Heights population 37,203, Trotwood population 24,433 and Centerville population 23,882. See all Montgomery County cities & populated places.

Montgomery County Populated Places (more)

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

City Name Population Title
Dayton 139,907 The ninth most populous city in Ohio.
Kettering 54,313 The most populous city in Montgomery County, Ohio.
Huber Heights 37,203 City in Montgomery, Miami and Greene counties in Ohio, United States
Trotwood 24,433 City in Montgomery County, Ohio, United States
Centerville 23,882 City in Iowa, United States
Miamisburg 20,117 City in Ohio, USA
Vandalia 14,987 City in Illinois
Englewood 13,502 City in Ohio, United States
West Carrollton City 13,297 Human settlement in Montgomery County, Ohio, United States of America
Shiloh 11,272 Biblical city
Northridge 8,487 Neighborhood of Los Angeles, California, United States
Union 6,909 City in Montgomery and Miami Counties in the U.
Sunbury 6,881 City in Delaware County, Ohio, United States of America
Moraine 6,507 City in Ohio, United States
Brookville 5,900 Borough of Pennsylvania
Germantown 5,567 City in Montgomery County, Ohio, United States

Montgomery County has 6 neighbours.

Demographics

According to census records, the population of Montgomery County decreased by 0.67% in 10 years.

Year Population % Change Method
2010 535,153 - census
2011 534,558 -0.11% estimation process
2012 534,334 -0.04% estimation process
2013 534,270 -0.01% estimation process
2014 532,488 -0.33% estimation process
2015 531,777 -0.13% estimation process
2016 531,818 0.01% estimation process
2017 531,467 -0.07% estimation process
2018 531,600 0.03% estimation process
2019 531,687 0.02% estimation process
2020 531,610 -0.01% estimation process

Comitatul Montgomery, Comte de Montgomery, Comté de Montgomery, Condado de Montgomery, Condado han Montgomery, Contea di Montgomery, Hrabstwo Montgomery, Montgomeri, Montgomery, Montgomery Comitatus, Montgomery Kun, Montgomery Kūn, Montgomery konderria, Montgomery maakond, Montgomery megye, Montgomeryn piirikunta, Montgomuri, Okrug Montgomeri, Quan Montgomery, Quận Montgomery, mantagomeri ka'unti, meng ge ma li xian, mongomeri jun, mqatʿt mntghamry, shhrstan mwntgwmry awhayw, Монтгомери, Монтгомері, Монтгомъри, Округ Монтгомери, شهرستان مونتگومری، اوهایو, مقاطعة منتغامري, مونٹگمری کاؤنٹی، اوہائیو, مونٹگومری کاؤنٹی، اوہائیو, মন্টগোমেরী কাউন্টি, モンゴメリー郡, 蒙哥馬利縣

People born in Montgomery County (8)

People born in Montgomery County, including politician Henry B. Sayler, politician Frederick Waymire, politician John Lewis Brenner, .

List

Other places with the same name (18)

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
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
Mahoning County 226,075 County in Ohio, United States
Delaware County 213,554 County in Ohio, United States