St. Charles is a census-designated place located in Charles County, Maryland, United States. It is situated along the Potomac River and is part of the Washington metropolitan area. The population was estimated to be around 32,000 in 2019.

St. Charles is a vibrant community with a variety of amenities and attractions for residents and visitors alike. The town center features a variety of shops, restaurants, and entertainment venues including an AMC movie theater and an ice rink. There are also several parks in the area such as St. Charles Park, which offers walking trails, playgrounds, picnic areas, and sports fields.

The town also has several schools including St. Charles Elementary School, John Hanson Middle School, Thomas Stone High School, and St. Charles Community College. There are also several churches in the area including St. Mary's Catholic Church and St. Paul's Episcopal Church.

St. Charles is conveniently located near major highways such as I-95 and US Route 301 making it easy to access other parts of Maryland or Washington D.C.. It is also close to Andrews Air Force Base which provides employment opportunities for many residents of the town as well as recreational activities such as golfing at the base's golf course or visiting its museum complex which includes an aviation museum and a planetarium showroom.

Overall, St Charles is a great place to live with plenty of amenities for its residents to enjoy!