The initial provisional data released by Census India 2011, shows that the density of Katihar for 2011 is 6850 people per sq. km. Katihar city administers area is 33 sq. km
LITERACY RATE
The average literacy rate of Katihar City in 2011 was 79.87 %. If things are looked at gender-wise, male and female literacy was 84.96 % and 74.16 %. respectively. The total literate in Katihar city was 155,706 of which 87,581 are males while 68,125 are females.
SEX RATIO
With regards to the Sex Ratio in Katihar, it stood at 897 per 1000 males. The average national sex ratio in India is 940 as per the latest reports of the Census 2011 Directorate. In the 2011 census, the child sex ratio was 933 girls per 1000 boys
CHILD POPULATION
In census enumeration, data regarding children under 0-6 age were also collected. There were a total of 31,036 children under the age of 0-6 years. Of the total 16,054 are boys while 14,982 are girls. The child Sex Ratio as per the census 2011 was 933. In 2011, Children under 0-6 formed 13.73% of the total population of Katihar City.