Mashantucket is a census-designated place (CDP) in the northeast part of the town of Ledyard, New London County, Connecticut, United States. It consists of land held by the Mashantucket Pequot Tribe. The Foxwoods Resort Casino is in the northeast part of the CDP, along Connecticut Route 2. As of the 2010 census, the CDP had a population of 299.
Cornwall Bridge is a census-designated place (CDP) comprising the hamlets of Cornwall Bridge and Calhoun Corners in the towns of Cornwall and Sharon, Litchfield County, Connecticut, United States. It is primarily in the southwest corner of the town of Cornwall but extends west across the Housatonic River into the town of Sharon in the northern part of the CDP. U.S. Route 7 runs the length of the CDP, following the east side of the Housatonic River and crossing it on the Cornwall Bridge in the northern part of the CDP.
Topstone is a census-designated place (CDP) in the town of Redding, Fairfield County, Connecticut, United States. It is on the west side of the town and is bordered to the west by the town of Ridgefield.
Dodgingtown is a census-designated place (CDP) in the town of Newtown, Fairfield County, Connecticut, United States. It on the west side of Newtown and is bordered to the west by the town of Bethel. Connecticut Route 302 passes through the center of the community.
Redding Center is a census-designated place (CDP) in the town of Redding, Fairfield County, Connecticut, United States, comprising the central village in the town. Connecticut Route 107 passes through the community, leading north toward Bethel and southwest toward Georgetown. The Redding Center Historic District is at the center of the CDP, around the intersections of Cross Highway, Sanfordtown Road, Lonetown Road, and Hill Road.
Compo is a census-designated place (CDP) in the town of Westport, Fairfield County, Connecticut, United States. It is in the south-central part of the town, lying between the Saugatuck River and the neighborhood of Saugatuck to the west, and Compo Cove, Sherwood Millpond, and the neighborhood of Greens Farms to the east. The CDP extends south to Compo Beach on Long Island Sound and north to U.S. Route 1. Interstate 95 crosses the middle of the CDP from east to west, with access from either Saugatuck or Greens Farms.
Darien Downtown is a census-designated place (CDP) in the town of Darien, Fairfield County, Connecticut, United States. It represents the built-up center of town around the intersections of U.S. Route 1, Connecticut Route 124, and Connecticut Route 136. Interstate 95 passes through the southern part of the CDP, with access from Exit 11 and Exit 12. It was first listed as a CDP prior to the 2020 census.
Westport Village is a census-designated place (CDP) in the town of Westport, Fairfield County, Connecticut, United States. It comprises the town center of Westport.
Coleytown is a census-designated place (CDP) in the town of Westport, Fairfield County, Connecticut, United States. It occupies the northeast corner of the town and is bordered to the north by the town of Weston and to the east by the town of Fairfield.
Oronoque is a census-designated place (CDP) in the town of Stratford, Fairfield County, Connecticut, United States. It is in the northern part of the town, bordered to the north by the city of Shelton, to the east by the Housatonic River, and to the south by the Merritt Parkway. Connecticut Route 110 runs north–south through the community. The administrative offices of Sikorsky Aircraft are in the eastern part of the CDP, between Route 110 and the Housatonic River.
Plattsville is a census-designated place (CDP) in the towns of Easton and Fairfield, Fairfield County, Connecticut, United States. It is primarily in the town of Easton, with a portion extending south across the Mill River into Fairfield. The Merritt Parkway forms the southeast border of the CDP, and Connecticut Route 59 runs north–south through it.
Daniels Farm is a census-designated place (CDP) in the town of Trumbull, Fairfield County, Connecticut, United States. It is in the northeast part of Trumbull and is bordered to the northeast by the city of Shelton. The Connecticut Route 25 expressway forms the southwest edge of the CDP, and Route 111 forms the short northwest edge. The CDP extends south as far as Hedgehog Road, Old Dike Road, and Pinewood Trail. To the south is the Trumbull Center CDP.
Route 7 Gateway is a census-designated place (CDP) in the town of Ridgefield, Fairfield County, Connecticut, United States. It is on the east side of Ridgefield, bordered to the east by the town of Redding and to the northeast by the city of Danbury. U.S. Route 7 runs through the center of the CDP, leading north into Danbury and south to Norwalk. Connecticut Route 35 splits off Route 7 to the southwest in the center of the CDP, leading to the center of Ridgefield.
Lakes West is a census-designated place (CDP) in the town of Ridgefield, Fairfield County, Connecticut, United States. It is in the northern part of the town on the north side of Ridgebury Mountain and extending north into a valley occupied by Lake Windwing. It is bordered to the east by the Lakes East CDP and to the northwest by Ridgebury.
Kellogg Point is a census-designated place (CDP) in the town of New Fairfield, Fairfield County, Connecticut, United States. It is in the southeast part of the town, on the western shore of Candlewood Lake. It is 6 miles (10 km) north of the center of Danbury, Connecticut.
Inglenook is a census-designated place (CDP) in the town of New Fairfield, Fairfield County, Connecticut, United States. It is in the northeast part of the town, atop a broad peninsula in Candlewood Lake. It is bordered to the east by Sail Harbor and to the north by the town of Sherman.
Sail Harbor is a census-designated place (CDP) in the towns of New Fairfield and Sherman, Fairfield County, Connecticut, United States. It is in the northeast corner of New Fairfield and the southeast corner of Sherman, on Great Neck and Shelter Harbor, landforms on the west side of Candlewood Lake. It is bordered to the west by Inglenook.
Sherman is a census-designated place (CDP) comprising the central community in the town of Sherman, Fairfield County, Connecticut, United States. It is in the central part of the town, at the north end of Candlewood Lake. The Sherman Historic District covers 85 acres (34 ha) in the northern part of the CDP, at the intersection of Connecticut Routes 37 and 39, containing many of the oldest buildings in the town.
Lake Bungee is a census-designated place (CDP) in the southwest part of the town of Woodstock in Windham County, Connecticut, United States, surrounding a lake of the same name. It is bordered to the west by the Witches Woods CDP.
Witches Woods is a census-designated place (CDP) in the southwest part of the town of Woodstock in Windham County, Connecticut, United States, surrounding Witches Woods Lake. It is bordered to the northeast by the Lake Bungee CDP.
United States 
