 India census, Port Blair had a population of 100,608. Males constitute 52.92% (53,247) of the population and females 47.07% (47,361). Port Blair has an average literacy rate of 89.76%, higher than the national average that is 74.04%. In Port Blair, male literacy is 92.79%, and female literacy is 86.34%. 9.3% of the population is under the age of 6 years. The most common religion is Hinduism, followed by Christianity and Islam. Bengali is the most spoken language of the city, followed by Hindi and Tamil.