Karehka Unchgarh is a village in Laharpur tehsil in district of Sitapur, Uttar Pradesh, India. As per the data provided by Census of India in 2011, total population of Karehka Unchgarh was 1,639 which includes 902 males and 737 females. Karehka Unchgarh covers 245.69 ha area. Pincode of Karehka Unchgarh is 261108.