Dewsaw Nongthymmai is a village in Mawsynram tehsil in district of East Khasi Hills, Meghalaya, India. As per the data provided by Census of India in 2011, total population of Dewsaw Nongthymmai was 80 which includes 46 males and 34 females. Dewsaw Nongthymmai covers N/A area. Pincode of Dewsaw Nongthymmai is 793121.