Lake Telemark, New Jersey, United States [CDP]; population was 1,121 in 1990; housing units was 429 in 1990; location is 40°58'N 74°30'W; land area is 2.19 square miles (1,400 acres); water area is 0.04 square miles (25 acres); FIPS code is 38430 [SourceCBP]