Summerside 15,654 b 14,433 Stratford 8,043 6,314 Cornwall 5,375 4,412 Montague 5,134 2,014 Kensington 1,385 1,379 Souris 1,232 1,238 Alberton 1,081 975 Tignish 998 846 Georgetown 678 680 a Census agglomeration population: 58,358. b Census agglomeration population: 16,200. [ edit ] Transportation Cardigan River, one of The Three Rivers Prince Edward