Sardehat-e Bayat JafarSardehat-e Bayat Jafar is a village in Zanjanrud-e Pain Rural District of Zanjanrud District in Zanjan County, Zanjan province, Iran.DemographicsPopulationAt the time of the 2006 National Census, the village's population was 234 in 52 households. The following census in 2011 counted 176 people in 49 households. The 2016 census measured the population of the village as 62 people in 17 households.