Jemison, AL has a population of 2,622 and is the 9,552nd largest city in the United States. The population density is 231 per sq mi which is 151% higher than the Alabama average and 155% higher than the national average. The median age in Jemison is 37 which is approximately 5% lower than the Alabama average of 39. In Jemison, 70% of the population over 15 years of age are married, 91% speak English and 8% speak Spanish. 77% of Jemison residents were born in Alabama, 17% were born out of state, 0% were born outside of the United States and 5% were foreign born.