Mohammadiyeh (Persian: محمديه)[a] is a city in, and the capital of, Mohammadiyeh District of Alborz County, Qazvin province, Iran.

[4] At the time of the 2006 National Census, the city's population was 41,766 in 10,904 households.

[5] The following census in 2011 counted 48,862 people in 14,527 households.

[6] The 2016 census measured the population of the city as 90,513 people in 28,923 households.

This Alborz County location article is a stub.