Question

who is considered as a poor in urban areas

Answer 1

I think beggars are considered as a poor in urban areas

Answer 2

Urban growth is transforming population health, especially for the urban poor. One in three urban dwellers – 828 million people – lives in a slum, producing slum cities within cities. ... Health is determined by many diverse factors, including income, gender, age, access to health services and infrastructure.
these are called poor in urban