Baisonvally is a village in Udumbanchola tehsil in district of Idukki, Kerala, India. As per the data provided by Census of India in 2011, total population of Baisonvally was 12,653 which includes 6,332 males and 6,321 females. Baisonvally covers 3262 ha area. Pincode of Baisonvally is 685565.