According to the official data of Cangxi County Statistics Bureau, as of 202 1, the permanent population of Cangxi County is 508,000.
Cangxi County has a total registered population of 742,900, including 6,543,800 non-agricultural population and 6,654,338 agricultural population. The total number of households is 264,600. The birth population is 5 1 19, and the birth rate is 6.35%. 5067 people died, with a mortality rate of 6.29% and a natural population growth rate of 0.06%.