Alborz County

Alborz County is in Qazvin province, Iran. Its capital is the city of Alvand.

History
After the 2006 National Census, the village of Sharifabad was elevated to the status of the city of Sharifiyeh. After the 2016 census, Mehregan rose to city status.

Population
At the time of the 2006 census, the county's population was 182,046 in 47,046 households. The following census in 2011 counted 203,276 people in 59,174 households. The 2016 census measured the population of the county as 242,865 in 75,922 households.

Administrative divisions
Alborz County's population history and administrative structure over three consecutive censuses are shown in the following table.