at the 2011 census, this district had a population of 4,661,452 (3rd highest in up), with 2,481,803 males and 2,179,649 females. it contributes 2.33% of the total population of up. it has highest density of population in up with 4060 persons per square km. it is second in population growth rate with 40.66%. the average literacy rate in 2011 was 85%, which is the highest in up. this is revised to 3,323,241 after the split of hapur district.