RankAreaResident PopulationJurisdiction area1 Chengdu21.403 M14312km²2 Nanchong5511 K12514km²3 Dazhou5324 K16605km²4 Mianyang4911 K20257km²5 Liangshan4906 K60423km²6 Yibin4628 K13271km²7 Luzhou4267 K12236km²8 Deyang3453 K5911km²9 Guangan3226 K6339km²10 Leshan3147 K12759km²11 Neijiang3140.7 K5386 km²12 Meishan2955 K7134km²13 Suining2748 K5326km²14 Bazhong2629 K12292km²15 Zigong2452 K4381 km²16 Ziyang2253 K5757km²17 Guangyuan2249 K16310km²18 Yaan1429 K15303km²19 Panzhihua1218 K7440km²20 Ganzi1103 K152629 km²21 Aba825 K85131km²