Ramian County () is in Golestan province, Iran. Its capital is the city of Ramian.
The village of Tatar-e Olya was converted to a city in 2011.
At the time of the 2006 National Census, the county's population was 81,866 in 19,579 households. The following census in 2011 counted 85,324 people in 23,598 households. The 2016 census measured the population of the county as 86,210 in 25,579 households.
Ramian County's population history and administrative structure over three consecutive censuses are shown in the following table.