Chestnut Ridge is a village in the town of Ramapo, Rockland County, New York, United States, located north of the state of New Jersey, east of Monsey, south of Spring Valley, and west of Nanuet. The population was 7,916 at the 2010 census.
Chestnut Ridge was incorporated in 1986. Prior to 1986, Chestnut Ridge was an unincorporated area within the town of Ramapo often referred to as "South Spring Valley" (its fire district), as many postal addresses carried the Spring Valley designation.
According to the United States Census Bureau, the village has a total area of 4.9 square miles (13 km2), all land.
As of the census of 2000, there were 7,829 people, 2,551 households, and 2,107 families residing in the village. The population density was 1,584.6 people per square mile (611.9/km2). There were 2,601 housing units at an average density of 526.4 per square mile (203.3/km2). The racial makeup of the village was 73.96% white, 13.87% African American, 0.13% Native American, 6.74% Asian, 0.06% Pacific Islander, 2.68% from other races, and 2.55% from two or more races. Hispanic or Latino of any race were 8.09% of the population. The village has seen an influx of ultra-Orthodox Jews in recent years.