Tancheng () is the seat of Pingtan County, in Fuzhou, Fujian, China (PRC) seating its executive, legislature, judiciary, Chinese Communist Party and PSB branches. It is located on Haitan Island.
In 1961, Tancheng Commune () was established.
In 1980, Chengguan Town () was established, which was renamed Tancheng Town in 1982.
On March 29, 2013, a woman surnamed Wen in Tancheng lost 305,000 RMB to someone pretending to be her brother on QQ.
On April 15, 2013, Chen Shixiong was appointed town-level Chinese Communist Party (CCP) secretary of Tancheng at the sixth plenary session of the 12th CCP Pingtan Committee.
On August 8âÂÂ9, 2015, Typhoon Soudelor brought winds measured at 36.3 meters per second in Tancheng, the highest in downtown Pingtan since 1971.
On September 27âÂÂ28, 2016, Typhoon Megi brought torrential rains across Pingtan, including Tancheng.
The town administers 15 residential communities and 4 village committees:
In 2020, Tancheng's population was 119,784.