12th Mer is a village in Khatarshnong Laitkroh tehsil in district of East Khasi Hills, Meghalaya, India. As per the data provided by Census of India in 2011, total population of 12th Mer was 1,915 which includes 978 males and 937 females. 12th Mer covers N/A area. Pincode of 12th Mer is 793015.