Nirmal Nagar 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 Nirmal Nagar was 4,504 which includes 2,324 males and 2,180 females. Nirmal Nagar covers 340.7 ha area. Pincode of Nirmal Nagar is 263151.