As per 2011 Census of India Udhwa CD Block had a total population of 177,263, of which 167,727 were rural and 9,536 were urban.
Udhwa CD Block had several villages with a high population (2011 census population figures in brackets): Begamganj (11,316), Radhanagar (6,330), Udhua Diara (11,531), Palasgachhi Diara (18,328), Piarpur Diara (13,340), Amanat Diara (7,487), Pranpur (8,300) and Srighar (5,712) [REF].