Mamanasco Lake is a

census-designated place A census-designated place (CDP) is a concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counterparts of incorporated places, such ...

(CDP) in the town of Ridgefield,

Fairfield County Fairfield County is the name of three counties in the United States: * Fairfield County, Connecticut * Fairfield County, Ohio * Fairfield County, South Carolina Fairfield County is a county located in the U.S. state of South Carolina. As of t ...

Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...

, United States. It is northwest of the center of Ridgefield and surrounds a lake of the same name. Mamanasco Lake was first listed as a CDP prior to the 2020 census.

References

Census-designated places in Fairfield County, Connecticut Census-designated places in Connecticut {{Connecticut-geo-stub