1 definition found cassadaga - U.S. Gazetteer (1990) : Cassadaga, NY (village, FIPS 12749) Location: 42.34102 N, 79.31712 W Population (1990): 768 (332 housing units) Area: 2.3 sq km (land), 0.5 sq km (water) Zip code(s): 14718