The study aimed to determine the number of children and young people reported as having a disability by family members, and to classify impairments leading to disability. A Cross-sectional census was conducted of all households in 24 rural geopolitical units of Makwanpur district, Nepal. Heads of household were asked about family members under the age of 20 with disability. Such members were resident in 733 of 28,376 households, a household prevalence of 2.58%. 829 people under the age of 20 were reported as having a disability, a population prevalence of 0.95%. The commonest functional impairments reported were motor and the commonest anatomical impairments involved the limbs. More males with disability were identified than females.