Montgomery County may refer to:

Australia

* The former name of Montgomery Land District, Tasmania

United Kingdom

* The historic county of

Montgomeryshire Montgomeryshire, also known as ''Maldwyn'' ( cy, Sir Drefaldwyn meaning "the Shire of Baldwin's town"), is one of thirteen historic counties of Wales, historic counties and a former administrative county of Wales. It is named after its county tow ...

, Wales, also called County of Montgomery

United States

* Montgomery County, Alabama * Montgomery County, Arkansas * Montgomery County, Georgia * Montgomery County, Illinois * Montgomery County, Indiana *

Montgomery County, Iowa Montgomery County is a county located in the southwestern area of the U.S. state of Iowa. As of the 2020 census, the population was 10,330. Its population has declined since a peak in 1900, since urbanization and decline of family farms. The co ...

Montgomery County, Kansas Montgomery County (county code MG) is a County (United States), county located in Southeast Kansas. As of the 2020 United States Census, 2020 census, the county population was 31,486. Its county seat is Independence, Kansas, Independence, and it ...

* Montgomery County, Kentucky *

Montgomery County, Maryland Montgomery County is the most populous county in the state of Maryland. As of the 2020 census, the county's population was 1,062,061, increasing by 9.3% from 2010. The county seat and largest municipality is Rockville, although the census-design ...

Montgomery County, Mississippi Montgomery County is a county located in the U.S. state of Mississippi. As of the 2010 census, the population was 10,925. Its county seat is Winona. The county is said to be named in honor either of Richard Montgomery, an American Revolution ...

* Montgomery County, Missouri * Montgomery County, New York *

Montgomery County, North Carolina Montgomery County is a rural county located in the southern Piedmont of the U.S. state of North Carolina. As of the 2020 census, the population was 25,751. Its county seat is Troy. History The county was formed in January 1779, by an act of th ...

Montgomery County, Ohio Montgomery County is located in the southwestern portion of the U.S. state of Ohio. As of the 2020 census, the population was 537,309, making it the fifth-most populous county in Ohio. The county seat is Dayton. The county was named in honor ...

* Montgomery County, Pennsylvania * Montgomery County, Tennessee * Montgomery County, Texas * Montgomery County, Virginia {{Place name disambiguation