RankAreaResident PopulationJurisdiction area1 [Lanzhou] Chengguan1585.8 K222 km²2 [Wuwei] Liangzhou874.9 K4907.96 km²3 [Lanzhou] Qilihe724.5 K420 km²4 [Tianshui] Qinzhou638.9 K2442 km²5 [Tianshui] Maiji541 K3480 km²6 [Zhangye] Ganzhou508.9 K4240 km²7 [Pingliang] Kongtong494.2 K1936 km²8 [Tianshui] Gangu490.3 K1573 km²9 [Lanzhou] Anning474.7 K86 km²10 [Lanzhou] Yuzhong466.9 K3245 km²11 [Jiuquan] Suzhou447.3 K3386 km²12 [Lanzhou] Xigu414.2 K383 km²13 [Baiyin] Huining400.2 K6439 km²14 [Tianshui] Qin'an398.9 K1602 km²15 [Lanzhou] Lanzhou New Area366.7 K km²16 [Baiyin] Jingyuan360.1 K5790 km²17 [Tianshui] Wushan351.5 K2011 km²18 [Pingliang] Jingning348.4 K2193 km²19 [Baiyin] Baiyin328.3 K1372 km²20 [Pingliang] Zhuanglang321.3 K1558 km²21 [Jinchang] Jinchuan262.3 K3060 km²22 [Lanzhou] Yongdeng255.5 K5652 km²23 [Tianshui] Zhangjiachuan238.2 K1311 km²24 [Wuwei] Gulang233.9 K5046.65 km²25 [Tianshui] Qingshui233.1 K2012 km²26 [Pingliang] Jingchuan206.2 K1409 km²27 [Baiyin] Jingtai197.9 K5483 km²28 [Baiyin] Pingchuan193.6 K2126 km²29 [Zhangye] Minle187.4 K3687 km²30 [Jiuquan] Dunhuang182 K31200 km²31 [Pingliang] Huating176.4 K1183 km²32 [Wuwei] Minqin169.5 K15838.35 km²33 [Jinchang] Yongchang168.2 K5867 km²34 [Pingliang] Lingtai146.1 K2038 km²35 [Zhangye] Shandan144.6 K5402 km²36 [Wuwei] Tianzhu143.8 K6558.74 km²37 [Lanzhou] Honggu138.6 K519 km²38 [Jiuquan] Yumen135.4 K13389 km²39 [Jiuquan] Guazhou132 K24100 km²40 [Zhangye] Gaotai120.5 K4312 km²41 [Jiuquan] Jinta118.5 K18800 km²42 [Zhangye] Linze111.6 K2729 km²43 [Lanzhou] Gaolan89.6 K2556 km²44 [Pingliang] Chongxin80 K852 km²45 [Zhangye] Sunan26.9 K20456 km²46 [Jiuquan] Subei15.1 K66748 km²47 [Jiuquan] Aksai10.6 K32374 km²