Greenville, AL has a population of 7,896 and is the 4,742nd largest city in the United States. The population density is 370 per sq mi which is 302% higher than the Alabama average and 308% higher than the national average. The median age in Greenville is 38 which is approximately 1% lower than the Alabama average of 39. In Greenville, 49% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 81% of Greenville residents were born in Alabama, 16% were born out of state, 1% were born outside of the United States and 2% were foreign born.