Gatab DistrictGatab District is in Babol County, Mazandaran province, Iran. Its capital is the city of Gatab.DemographicsPopulationAt the time of the 2006 National Census, the district's population was 45,104 in 11,185 households. The following census in 2011 counted 46,041 people in 13,597 households. The 2016 census measured the population of the district as 47,054 inhabitants in 15,497 households.