Written and Fact-checked by Whereig Editors, Reviewed by Mukesh Kumar| Last Updated On: May 11, 2026
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Map of Charles County, Maryland
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Map of Charles County, Maryland
Charles County is a county located in the U.S. state of Maryland. It's county seat is La Plata. As per 2020 census, the population of Charles County is 168698 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 643 sq mi (1,665 km2). Charles County was established on 1658.
Charles County Facts
| Continent | North America |
| Country | United States |
| State | Maryland |
| County Seat | La Plata |
| Largest City/Town | Waldorf |
| Established | 1658 |
| Total Area | 643 sq mi (1,665 sq km) |
| Land Area | 458 sq mi (1,186 sq km) |
| Water Area | 185 sq mi (479 sq km) |
| Population | 166,617 (Census 2020) |
| Population Density | 363.8 people per sq mi |
| Time Zone | Eastern Time Zone (ET) |
| Major Highways | U.S. Route 301, Maryland Route 5, Maryland Route 210, Maryland Route 6 |
| Major Rivers | Potomac River, Patuxent River, Wicomico River |
| Neighboring Counties | Prince George’s County, Calvert County, St. Mary’s County, King George County (Virginia) |
| Famous For | Washington D.C. suburbs, waterfront parks, historic sites, Potomac River, growing communities |
| Top Attractions | Thomas Stone National Historic Site, Chapel Point State Park, Mallows Bay Park, Port Tobacco Historic Village, Indian Head Rail Trail |
| Official Website | Official Website |
About Charles County, Maryland
Charles County is located in southern Maryland in the United States along the Potomac River and was established in 1658. The county seat is La Plata, while Waldorf is the largest community. The county is known for suburban growth connected to Washington, D.C., scenic waterfronts, historical landmarks, outdoor recreation, and expanding residential communities.
Cities and Communities in Charles County, Maryland
| City/Community | Population (Census 2020) | Latitude & Longitude |
|---|---|---|
| La Plata (county seat) | 10,159 | 38.5298°N, 76.9750°W |
| Waldorf | 81,410 | 38.6240°N, 76.9391°W |
| St. Charles | 33,379 | 38.6001°N, 76.9308°W |
| Indian Head | 3,844 | 38.6004°N, 77.1622°W |
| Bryans Road | 8,650 | 38.6387°N, 77.0736°W |
| Port Tobacco Village | 13 | 38.5076°N, 77.0391°W |
| White Plains | 11,315 | 38.5851°N, 76.9583°W |
| Hughesville | 2,131 | 38.5362°N, 76.7830°W |
| Nanjemoy | 2,435 | 38.4312°N, 77.1983°W |
| Accokeek (partly) | 11,196 | 38.6687°N, 77.0280°W |
Golf Courses in Charles County, Maryland
| Golf Course | Location | Latitude & Longitude |
|---|---|---|
| White Plains Golf Course | White Plains | 38.5907°N, 76.9484°W |
| Hawthorne Country Club | La Plata | 38.5219°N, 76.9898°W |
| Potomac Ridge Golf Club | Waldorf | 38.6298°N, 76.9241°W |
Roads and Highways in Charles County
Major highways connect the county with Washington, D.C., southern Maryland, and northern Virginia.
- U.S. Route 301 - major north-south highway through Waldorf and La Plata
- Maryland Route 5 - important route linking Charles County with Washington metropolitan areas
- Maryland Route 210 - highway connecting Indian Head and Bryans Road with Washington, D.C.
- Maryland Route 6 - scenic route through rural and historic communities
- Maryland Route 228 - connector highway serving growing suburban neighborhoods
Neighboring Counties of Charles County
- Prince George’s County (north)
- Calvert County (east)
- St. Mary’s County (south)
- King George County, Virginia (southwest across the Potomac River)
Top Attractions in Charles County, Maryland
The county offers historic attractions, waterfront recreation, parks, and trails.
- Thomas Stone National Historic Site - preserved home of a signer of the Declaration of Independence
- Chapel Point State Park - fishing, boating, and scenic Potomac River recreation
- Mallows Bay Park - famous “Ghost Fleet” shipwreck area with kayaking and nature trails
- Port Tobacco Historic Village - restored colonial-era village with museums and historical buildings
- Indian Head Rail Trail - paved trail for cycling, jogging, and walking through forested landscapes
- Piscataway Park nearby - scenic views of the Potomac River and Mount Vernon across the river
- Smallwood State Park - boating, camping, fishing, and waterfront recreation
- Historic La Plata - downtown shops, restaurants, and local cultural attractions
- Potomac River Waterfront Areas - marinas, fishing piers, and outdoor recreation facilities
- Community Festivals and Farmers Markets - events featuring local crafts, food, and entertainment
Distance from Charles County to Nearby Cities
The following distances are measured by road (driving).
- La Plata to Washington, D.C. - 35 mi (56 km)
- La Plata to Annapolis (Anne Arundel County), Maryland - 52 mi (84 km)
- La Plata to Baltimore (Baltimore City), Maryland - 63 mi (101 km)
- La Plata to Alexandria (Alexandria City), Virginia - 34 mi (55 km)
- La Plata to Richmond (Richmond City), Virginia - 95 mi (153 km)
- La Plata to Norfolk (Norfolk City), Virginia - 177 mi (285 km)
- La Plata to Philadelphia (Philadelphia County), Pennsylvania - 159 mi (256 km)
- La Plata to Ocean City (Worcester County), Maryland - 152 mi (245 km)
- La Plata to New York City (New York County), New York - 255 mi (410 km)
- La Plata to Pittsburgh (Allegheny County), Pennsylvania - 286 mi (460 km)
- La Plata to Charlotte (Mecklenburg County), North Carolina - 390 mi (628 km)
- La Plata to Boston (Suffolk County), Massachusetts - 468 mi (753 km)
FAQs about Charles County
Charles County is located in southern Maryland along the Potomac River near Washington, D.C.
Charles County has a population of 166,617 according to the Census 2020.
The county is known for suburban communities, waterfront parks, historic sites, and Potomac River recreation.
Major highways include U.S. Route 301, Maryland Route 5, Maryland Route 210, and Maryland Route 6.
Yes, Charles County has golf facilities including White Plains Golf Course and Hawthorne Country Club.
References
- QuickFacts - U.S. Census Bureau
- United States Census Bureau
- United States Geological Survey (USGS)
- National Geodetic Survey
- Official Website
- Allegany County Map
- Anne Arundel County Map
- Baltimore County Map
- Calvert County Map
- Caroline County Map
- Carroll County Map
- Cecil County Map
- Charles County Map
- Dorchester County Map
- Frederick County Map
- Garrett County Map
- Harford County Map
- Howard County Map
- Kent County Map
- Montgomery County Map
- Prince George's County Map
- Queen Anne's County Map
- St Mary's County Map
- Somerset County Map
- Talbot County Map
- Washington County Map
- Wicomico County Map
- Worcester County Map
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