Kolagadalu is a village in Madikeri tehsil in district of Kodagu, Karnataka, India. As per the data provided by Census of India in 2011, total population of Kolagadalu was 2,335 which includes 1,166 males and 1,169 females. Kolagadalu covers 2373.56 ha area. Pincode of Kolagadalu is 571201.