According to the 1900 census, the population of the Irig municipality numbered 22,313 inhabitants, of whom 16,893 were Orthodox Serbs, while the town of Irig itself had 5,196 inhabitants, of whom 3,936 were Orthodox Serbs. According to the 1910 census, the population of the Irig municipality numbered 25,320 inhabitants, of whom 18,331 spoke Serbian, 3,552 Hungarian, 1,816 Croatian, and 1,031 German.
