Kaithulia is a village in Sitarganj tehsil in district of Udham Singh Nagar, Uttarakhand, India. As per the data provided by Census of India in 2011, total population of Kaithulia was 1,188 which includes 604 males and 584 females. Kaithulia covers 247.66 ha area. Pincode of Kaithulia is 262405.