1 definition found pascoag - U.S. Gazetteer (1990) : Pascoag, RI (CDP, FIPS 54460) Location: 41.95366 N, 71.70487 W Population (1990): 5011 (1889 housing units) Area: 12.7 sq km (land), 1.1 sq km (water) Zip code(s): 02859