Dharmangadpur Nagariya (Dharmaṅgadpur Nagariyā) is a village in Mainpuri block of Mainpuri district, Uttar Pradesh, India. It is located on the Kanpur branch of the Lower Ganga Canal. As of 2011, Dharmangadpur Nagariya had a population of 1,624, in 261 households.

Dharmangadpur Nagariya is located on the Kanpur branch of the Lower Ganga Canal, and a bridge crosses the canal at the subsidiary hamlet of Rustampur. There is also a prominent jhil on village lands.

As of 2011, Dharmangadpur Nagariya had a population of 1,624, in 261 households. This population was 53.2% male (864) and 46.8% female (760). The 0-6 age group numbered 272 (145 male and 127 female), or 16.7% of the total population. 266 residents were members of Scheduled Castes, or 16.4% of the total.

The 1981 census recorded Dharmangadpur Nagariya (as "Dharmadpur Nagniya") as having a population of 1,060 people, in 180 households.

The 1961 census recorded Dharmangadpur Nagariya as comprising 4 hamlets, with a total population of 758 people (411 male and 347 female), in 133 households and 85 physical houses. The area of the village was given as 570 acres.

As of 2011, Dharmangadpur Nagariya had 1 primary school; it did not have any healthcare facilities. Drinking water was provided by hand pump and tube well; there were no public toilets. The village had a public library but no post office; there was at least some access to electricity for all purposes. Streets were made of kachcha materials.