The Central District of Qaem Shahr County () is in Mazandaran province, Iran. Its capital is the city of Qaem Shahr.
In 2010, the village of Qadi Kola-ye Arateh merged with four other villages to form the city of Arateh.
At the time of the 2006 census, the district's population was 275,807 in 74,907 households. The following census in 2011 counted 302,417 people in 91,989 households. The 2016 census measured the population of the district as 309,198 inhabitants in 102,949 households.