Monroe County may refer to seventeen counties in the United States, all named for

James Monroe James Monroe ( ; April 28, 1758July 4, 1831) was an American Founding Father of the United States, Founding Father who served as the fifth president of the United States from 1817 to 1825. He was the last Founding Father to serve as presiden ...

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Monroe County, Alabama Monroe County is a County (United States), county located in the southwestern part of the U.S. state of Alabama. As of the 2020 United States census, 2020 census, the population was 19,772. Its county seat is Monroeville, Alabama, Monroeville. ...

Monroe County, Arkansas Monroe County is located in the Arkansas Delta in the U.S. state of Arkansas. The County (United States), county is named for James Monroe, the fifth President of the United States. Created as Arkansas's 20th county on November 2, 1829, Monroe ...

Monroe County, Florida Monroe County is the southernmost county of the state of Florida. As of the 2020 census, the population was 82,874. Its county seat is Key West. Monroe County includes the islands of the Florida Keys and comprises the Key West-Key Largo Micr ...

Monroe County, Georgia Monroe County is a county located in the central portion of the U.S. state of Georgia. As of the 2020 census, the population was 27,957. The county seat is Forsyth. The county was created on May 15, 1821. The county was named for James Monro ...

Monroe County, Illinois Monroe County is a county located in the U.S. state of Illinois. According to the 2020 census, it had a population of 34,962. Its county seat and largest city is Waterloo. Monroe County is included in the St. Louis, MO-IL Metropolitan Stat ...

Monroe County, Indiana Monroe County is a County (United States), county in the U.S. state of Indiana. In 1910 the United States Census Bureau, US Census Bureau calculated the nation's mean center of U.S. population, mean population center to lie in Monroe County. The ...

Monroe County, Iowa Monroe County is a County (United States), county located in the south central part of the U.S. state of Iowa. In the early 20th century, it was a center of bituminous coal mining and in 1910 had a population of more than 25,000. As mining dec ...

Monroe County, Kentucky Monroe County is a county located in the Eastern Pennyroyal Plateau region of the U.S. state of Kentucky. Its county seat is Tompkinsville. The county is named for President James Monroe. It was a prohibition or dry county until November 7, 20 ...

Monroe County, Michigan Monroe County is a County (United States), county in the U.S. state of Michigan. As of the 2020 United States census, 2020 Census, the population was 154,809. The largest city and county seat is Monroe, Michigan, Monroe. The county was establi ...

Monroe County, Mississippi Monroe County is a county on the northeast border of the U.S. state of Mississippi next to Alabama. As of the 2020 census, the population was 34,180. Its county seat is Aberdeen. History The county is named in honor of James Monroe, the fi ...

Monroe County, Missouri Monroe County is a county in northeast Missouri. As of the 2020 census, the population was 8,666. Its county seat is Paris. It is the birthplace of Mark Twain. History The county was organized January 6, 1831 and named for James Monroe, the f ...

Monroe County, New York Monroe County is a county in the U.S. state of New York, located along Lake Ontario's southern shore. As of 2022, the population was 752,035, according to Census Bureau estimates. Its county seat and largest city is Rochester. The county is ...

Monroe County, Ohio Monroe County is a County (United States), county located on the eastern border of the U.S. state of Ohio, across the Ohio River from West Virginia. As of 2023, the population was 13,153, making it the List of counties in Ohio, second-least po ...

Monroe County, Pennsylvania Monroe County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 168,327. Its county seat is Stroudsburg. The county is part of the Northeast Pennsylvania region of the state. The county was formed fr ...

Monroe County, Tennessee Monroe County is a County (United States), county located on the eastern border of the U.S. state of Tennessee. As of the 2020 United States census, 2020 census, its population was 46,250. Its county seat is Madisonville, Tennessee, Madisonville, ...

Monroe County, West Virginia Monroe County is a County (United States), county in the U.S. state of West Virginia. As of the 2020 United States census, 2020 census, the population was 12,376. Its county seat is Union, West Virginia, Union. Monroe County was the home of A ...

, originally Monroe County, Virginia (1799–1863) *

Monroe County, Wisconsin Monroe County is a county in the U.S. state of Wisconsin. As of the 2020 census, the population was 46,274. Its county seat is Sparta. Geography According to the U.S. Census Bureau, the county has a total area of , of which is land and (0 ...

See also