New Preston is a rural village and census-designated place (CDP) in the northwest corner of the town of Washington, Litchfield County, Connecticut, United States. As of the 2010 census, the population of the New Preston CDP was 1,182, out of 3,578 in the entire town of Washington.
The New Preston CDP includes the entire northwestern quadrant of the town of Washington, including the villages of New Preston and Marbledale, as well as 1,195-foot (364 m) Mount Bushnell and Meeker Swamp. The CDP has a total area of 7.8 square miles (20.3 km2), of which 7.3 square miles (19.0 km2) are land and 0.50 square miles (1.3 km2), or 6.47%, are water. The dominant geographic feature of New Preston is Lake Waramaug, which is situated just north of the New Preston village center and is the headwaters of the East Aspetuck River, which runs through the village center and over New Preston Falls. The terrain is characterized by steep hills and narrow valleys, with a preponderance of talus slopes and ledge rock.
As of the census of 2000, there were 1,110 people, 439 households, and 303 families residing in the CDP. The population density was 150.1 people per square mile (58.0/km2). There were 563 housing units at an average density of 76.1 per square mile (29.4/km2). The racial makeup of the CDP was 97.84% White, 0.36% African American, 0.09% Native American, 0.18% Asian, 0.27% from other races, and 1.26% from two or more races. Hispanic or Latino of any race were 1.17% of the population.