At the time of the 2006 National Census, Seyyedabad's population was 4,870 in 1,206 households, when it was a village in Chenaran Rural District of the Central District.[5] The following census in 2011 counted 6,743 people in 1,839 households.[6] The 2016 census measured the population of the village as 5,312 people in 1,564 households. It was the most populous village in its rural district.[2]
In 2019, Seyyedabad was transferred to Seyyedabad Rural District created in the new Seyyedbad District,[4] and has since been elevated to the status of a city.[7]
^Seyyedabad can be found at GEOnet Names Server, at this link, by opening the Advanced Search box, entering "-3083651" in the "Unique Feature Id" form, and clicking on "Search Database".