Charles County, Maryland

Charles County: County in Maryland, United States


Charles County is a county located in the U.S. state of Maryland. As of the 2010 census, the population was 146,551 and a population density of 88 people per km². After 10 years in 2020 county had an estimated population of 164,436 inhabitants. Its county seat is La Plata. The county was created 366 years ago in 1657.

Charles County locator map
Location of Charles County on Maryland map.

Quick Facts about Charles County

Population : 164,436 (2020)
Country : United States of America
State : Maryland (United States)
Different from : Charles Mix County, Charles City County
Twitter username : charlescomd
Area : 1666 km2
Water as percent of area : 29%
Land as percent of area : 71%
Named for : Charles Calvert, 3rd Baron Baltimore
Altitude : 164 feet / 50 meters
Capital : La Plata
Establishment : January 01, 1658
Time Zone : America/New_York
Local time : 04:04:23 (24th May 2024)
Density : 99 Pop. per km² as of 2020
Population growth : 10.88% (2010-2020)
Thomas Stone House image
Thomas Stone House
Thomas Stone House image


Charles County is located at 38°28'25"N 77°0'49"W (38.4736800, -77.0134800). It has 8 neighbors: Calvert County, Prince George s County, Saint Mary s County, Fairfax County, King George County, Prince William County, Stafford County and Westmoreland County.

Charles County map

The largest city of Charles County is Saint Charles with a population of 36,376. . See all Charles County cities & populated places.

Charles County Populated Places

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

City Name Population Title
Waldorf 67,752 Census designated place
Saint Charles 36,376 City in St.
Bennsville 11,923 Census designated place in Maryland, United States
La Plata 9,800 Town in Maryland, United States
Bryans Road 7,244 Census designated place
Middletown 4,910 Town in Maryland, USA
Indian Head 3,787 Town in Charles County, Maryland, United States
Potomac Heights 1,117 Census designated place

Charles County has 8 neighbours.


The population of Charles County increased by 10.88% in 10 years.

Year Population % Change Method
2010 146,551 - census
2011 149,200 1.78% estimation process
2012 150,668 0.97% estimation process
2013 152,645 1.3% estimation process
2014 154,359 1.11% estimation process
2015 155,665 0.84% estimation process
2016 157,292 1.03% estimation process
2017 159,450 1.35% estimation process
2018 161,476 1.25% estimation process
2019 163,257 1.09% estimation process
2020 164,436 0.72% estimation process

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People born in Charles County (29)

People born in Charles County, including politician George Dent, politician 1791-1855 Daniel Jenifer, politician William Smallwood, .


  • John Hoskins Stone (American planter, soldier, and politician from Charles County, Maryland (1750-1804)) he was born in 01/01/1750
  • Robert H. Harrison (American judge (1745-1790)) he was born in 01/01/1745
  • Catherine Spalding (elected leader of six women forming a new religious community, the Sisters of Charity of Nazareth) she was born in 23/12/1793
  • Benedict Joseph Semmes (American politician (1789-1863)) he was born in 01/11/1789
  • Thomas Stone (American planter and lawyer who signed the United States Declaration of Independence (1743-1787)) he was born in 01/01/1743
  • Daniel of St. Thomas Jenifer (American politician 1723-1790) he was born in 01/01/1723
  • Sydney Emanuel Mudd II (Maryland Congressman (1885-1924)) he was born in 20/06/1885
  • Benjamin Stoddert (United States Secretary of the Navy (1751-1813)) he was born in 01/01/1751
  • Matthew Henson (American explorer (1866-1955)) he was born in 08/08/1866
  • Raphael Semmes (Confederate Army general) he was born in 27/09/1809
  • Samuel Mudd (Medical doctor implicated in the Lincoln assassination (1833-1883)) he was born in 20/12/1833
  • Frederick Stone (American politician (1820-1899)) he was born in 07/02/1820
  • Sydney Emanuel Mudd I (American politician (1858-1911)) he was born in 12/02/1858
  • Lynn Clark (American actress) she was born in 01/01/1964
  • Henry Ludwell Moore (American economist) he was born in 21/11/1869
  • B. Stanley Simmons (American architect) he was born in 01/01/1872
  • Basil William Spalding (Confederate Civil War Soldier)
  • James Forbes (American politician) he was born in 01/01/1731

Maryland Other Counties (more counties)

County Name Population Title
Essex 1,832,752 Census-designated place in Maryland, United States
Montgomery County 1,051,816 County in Maryland, United States
Prince George's County 909,612 County in Maryland, United States
Baltimore County 826,017 County in Maryland, United States
City of Baltimore 621,849 Independent city in Maryland, United States
Baltimore 586,131 The thirty-first most populous city in the United States and the center of the Baltimore metropolitan area.
Anne Arundel County 582,777 County in Maryland, United States
Howard County 328,200 County in Maryland, United States
Frederick County 265,161 County in Maryland, United States
Harford County 256,805 County in Maryland, United States
Carroll County 169,092 County in New Hampshire, United States
Washington County 151,146 County in Maryland, United States
Redland 147,010 A census-designated place in Prince George's County, Maryland.
Saint Mary's County 114,687 County in Maryland, United States
Wicomico County 103,990 County in Maryland, United States
Cecil County 103,419 County in Maryland, United States