The name is now applied more generally to all of the east end of Montville, which is the area served by the Uncasville ZIP Code (06382).
In 1994, the federal government officially recognized the Mohegan Indian Tribe of Connecticut, which had historically occupied this area as part of its traditional territory.
Uncas established a fortified village for defense, now known as Fort Shantok, on an elevated site next to the Thames River.
The European-American brothers John and Arthur Schofield established the first woolen mill in the United States in Uncasville.
Their carding and spinning mill, dependent on water power, was located at the mouth of the Oxoboxo River.
In the 1950s, the Olin Mathieson Chemical Corporation established a large manufacturing facility in the Sandy Desert section in northeastern Montville.
After United Nuclear ceased its operations about 1990, the site was cleaned up of environmental hazards, decommissioned, and released for unrestricted use.
In the 20th century the Mohegan reorganized and sought federal recognition through the formal administrative process, submitting thorough documentation to prove their community and cultural continuity despite the lack of land.
The U.S. Census Bureau treats Uncasville village as part of the Oxoboxo River census-designated place.