Putnam Lake, New York, United States [CDP]; population was 3,459 in 1990; housing units was 1,335 in 1990; location is 41°29'N 73°33'W; land area is 3.87 square miles (2,476 acres); water area is 0.44 square miles (281 acres); FIPS code is 60103 [SourceCBP]