| Province/Municipality/ Autonomous Region | Number of medium- and large-sized household (10 million people) | Confirmed Cases |
| Shandong | 1879 | 546 |
| Henan | 1869 | 1265 |
| Guangdong | 1786 | 1332 |
| Sichuan | 1528 | 520 |
| Hebei | 1403 | 307 |
| Jiangsu | 1401 | 631 |
| Hunan | 1316 | 1010 |
| Anhui | 1183 | 987 |
| Yunnan | 954 | 172 |
| Guangxi | 934 | 245 |
| Zhejiang | 913 | 1175 |
| Jiangxi | 912 | 934 |
| Liaoning | 883 | 121 |
| Shanxi | 730 | 131 |
| Fujian | 717 | 293 |
| Shaanxi | 714 | 242 |
| Guizhou | 682 | 146 |
| Heilongjiang | 669 | 476 |
| Chongqing | 573 | 560 |
| Jilin | 565 | 91 |
| Xinjiang | 508 | 76 |
| Gansu | 501 | 91 |
| Nei Mongol | 500 | 75 |
| Shanghai | 397 | 333 |
| Beijing | 382 | 395 |
| Tianjin | 368 | 130 |
| Hainan | 171 | 168 |
| Ningxia | 133 | 71 |
| Qinghai | 111 | 18 |
| Xizang | 62 | 1 |