As of 2001[update] India census, Rajgamar had a population of 12,595. Males constitute 51% of the population and females 49%. Rajgamar has an average literacy rate of 64%, higher than the national average of 59.5%: male literacy is 75%, and female literacy is 53%. In Rajgamar, 16% of the population is under 6 years of age.it is a like a village,nice nature. many colemince is hear.Mr.Hari singh is up-sarpanch in rajgamar at korba And secratry is Mr. N.P.Dahariya. rajgamar is an largest gram panchayat in this whole area. from 2010 election the elected sarpanch is mr. tikaram rathiya & up sarpanch is mr. bhupendra kurrey. in next election this will become as "nagar panchayat" this area future is growing .