Odum, GA has a population of 648 and is the 17,935th largest city in the United States. The population density is 320 per sq mi which is 91% higher than the Georgia average and 253% higher than the national average. The median age in Odum is 33 which is approximately 8% lower than the Georgia average of 36. In Odum, 63% of the population over 15 years of age are married, 87% speak English and 10% speak Spanish. 74% of Odum residents were born in Georgia, 18% were born out of state, 1% were born outside of the United States and 8% were foreign born.