Blanchester, Ohio, United States [Village]; population was 4,206 in 1990; housing units was 1,598 in 1990; location is 39°17'N 83°59'W; land area is 2.94 square miles (1,880 acres); water area is 0.05 square miles (33 acres); FIPS code is 6908 [SourceCBP]