Kethahalli is a village in Tirumakudal Narsipur tehsil in district of Mysore, Karnataka, India. As per the data provided by Census of India in 2011, total population of Kethahalli was 2,798 which includes 1,431 males and 1,367 females. Kethahalli covers 524.9 ha area. Pincode of Kethahalli is 571124.