[5] The earliest evidence of human settlement in the territory of Huitong County dates back to the Neolithic Age.

[6] After conquering all the states, Emperor Qin Shi Huang implemented the system of prefectures and counties in 221 BC.

[6] On 4 October 1949, the People's Liberation Army took control of the county and renamed Huitong Special District (会同专区).

Located on the west central margin of the province, Huitong County lies to the east of the border of Guizhou.

[8] The highest point in the county is Xuefengjie Mountain (雪峰界) which stands 1,477.4 metres (4,847 ft) above sea level.

[9] The Golden Dragon Mountain (金龙山) is the second highest peak within the county, with a height of 1,080.5 metres (3,545 ft).

[10] As of 2021, the National Bureau of Statistics of China estimates the county's population now to be 365,200, including 193,000 males and 172,200 females, with a sex ratio of 112:100.