Henderson, GA has a population of 1,681 and is the 12,045th largest city in the United States. The population density is 960 per sq mi which is 475% higher than the Georgia average and 960% higher than the national average. The median age in Henderson is 30 which is approximately 16% lower than the Georgia average of 36. In Henderson, 57% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 51% of Henderson residents were born in Georgia, 47% were born out of state, 1% were born outside of the United States and 1% were foreign born.