According to 2011 census, Kanpur is the state of Uttar Pradesh in terms of population. Is in sixth place. The total population of the district is 45,81,268, of which males and females are 24,59,806 and 21,21,462 respectively. This is a densely populated district. The population density of the district is 1452, which is much higher than the average population density (829).

The literacy rate here is 79.7 percent and sex ratio is 863. The population growth rate of the district is 9.9 percent. Most of the population of the district is urban, which includes 65.8 percent of the total population of the district.