Jazan, SemnanJazan is a village in Howmeh Rural District of the Central District in Damghan County, Semnan province, Iran.DemographicsPopulationAt the time of the 2006 National Census, the village's population was 1,292 in 340 households. The following census in 2011 counted 1,166 people in 353 households. The 2016 census measured the population of the village as 1,818 people in 577 households, the most populous in its rural district.