Mechanicsville, Connecticut
Census-designated place
Mechanicsville Park
Mechanicsville Show map of Connecticut Mechanicsville Show map of the United States
Coordinates: 41°56′28″N 71°53′37″W / 41.94111°N 71.89361°W / 41.94111; -71.89361
Country	United States
State	Connecticut
County	Windham
Town	Thompson
Area [1]
• Total	2.16 km2 (0.83 sq mi)
• Land	2.16 km2 (0.83 sq mi)
• Water	0.0 km2 (0.0 sq mi)
Elevation [2]	90 m (310 ft)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
ZIP Codes	06277 (Thompson) 06255 (North Grosvenordale)
Area code(s)	860/959
FIPS code	09-46240
GNIS feature ID	2805993[2]

Mechanicsville is an unincorporated community and census-designated place (CDP) in the southern part of the town of Thompson in Windham County, Connecticut, United States. It is bordered to the north by North Grosvenordale and to the south by Putnam. Connecticut Route 12 (Riverside Drive) runs the length of the community, along the east side of the French River.

Mechanicsville was first listed as a CDP prior to the 2020 census.^[2]

A portion of the Air Line State Park Trail passes through Mechanicsville, along with the Providence and Worcester Railroad.