Gadsden, AL has a population of 36,235 and is the 1,161st largest city in the United States. The population density is 971 per sq mi which is 956% higher than the Alabama average and 972% higher than the national average. The median age in Gadsden is 40 which is approximately 4% higher than the Alabama average of 39. In Gadsden, 50% of the population over 15 years of age are married, 93% speak English and 5% speak Spanish. 77% of Gadsden residents were born in Alabama, 18% were born out of state, 0% were born outside of the United States and 4% were foreign born.