Administrative region evolution and population change nearly 10 years
Historically Administrative region evolution of Sanchong
| Time | Administrative Establishment | The administrative region to which subordinated |
|---|---|---|
| 1661 | One Prefecture, two Counties | Tianxing County |
| 1681 | Subordinated to one Prefecture and three Counties under Fujian Province | Zhulo County, Taiwan Prefecture (No Bao, Li, Chun and Zhuang were established ) |
| 1723 | The period subordinated to one Prefecture, four Counties, and two Tings under Fujian Province | Xingzhi Zhuang , Dansui Bao, Taiwan Prefecture |
| 1812 | The period subordinated to one Prefecture, four Counties, and three Tings under Fujian Province | Sanchongpu Zhuang, Xingzhi Bao, Yuanshui Bao,Dansui Tin, Taiwan Prefecture |
| 1875 | The period subordinated to two Prefectures, eight Counties and four tings under Fujian Province | Sanchongpu Zhuang, Xingzhi Bao, DansuiCounty, Taipei Prefecture |
| 1887 | The period subordinated to three Prefectures, one Zhili State, eleven Counties and four tings under Taiwan Province | Sanchongpu Zhuang, Xingzhi Bao, DansuiCounty, Taipei Prefecture |
| June 1895 | The period of three Counties and one Ting | Sanchongpu Zhuang, Municipal Xingzhi Bao, Taipei County |
| August 1895 | The period of one County two CivilGovernment Branches, and one Ting | Sanchongpu Zhuang, Municipal Xingzhi Bao, Taipei County |
| 1896 | The period of three Counties and one Ting | Sanchongpu Zhuang, Xingzhi Bao, TaipeiCounty, |
| 1897 | The period of Six Counting and three Tings | Sanchongpu Zhuang, Xingzhi Bao, XinzhuangService Department, Taipei County, |
| 1898 | The period of Three Counties and four Tings | Chongpu Zhuang, Xingzhi Bao, SanjiaoyongService Department, Taipei County, |
| 1901 | The period of twenty Tings | Sanchongpu Zhuang, Xingzhixing Bao, XinzhuangBranch Ting , Taipei Ting |
| 1909 | The period of twelve Tings | Erchongpu District Office, Xinzhuang Branch Ting, Taipei Ting |
| 1920 | The period of five States and three Tings | Luzhou Zhuang, Xinzhuang County, Taipei State, |
| 1926 | The period of five States and three Tings | Luzhou Zhuang, Xinzhuang County, Taipei State, |
| December 1945 | Eight Counties, nine Provincial municipalities, and one Bureau | Luzhou Township, Taipei County |
| April 1, 1947 | Eight Counties, nine Provincial Municipalities, and one Bureau | Sanchong Town, Taipei County |
| April 1, 1962 | Sixteen Counties, five Provincial Municipalities, and one Bureau | Sanchong City, Taipei County |
| December 25, 2010 | Five Municipalities, twelve Counties, and three Cities | Sanchong District, New Taipei City |

