Sairang is connected with roads from major town in Assam. There is no railway in Sairang. Nearest railway station is at Bairabi, connected with a meter gauge track. A new broadgauge line from Bairabi to Sairang is proposed and is expected to be commissioned by 2018.
As of 2001[update] India census, Sairang had a population of 5036. Males constitute 56% of the population and females 44%. Sairang has an average literacy rate of 82%, higher than the national average of 59.5%: male literacy is 85%, and female literacy is 77%. In Sairang, 15% of the population is under 6 years of age.