Madison, AL has a population of 46,396 and is the 892nd largest city in the United States. The population density is 1,568 per sq mi which is 1604% higher than the Alabama average and 1630% higher than the national average. The median age in Madison is 38 which is approximately 2% lower than the Alabama average of 39. In Madison, 61% of the population over 15 years of age are married, 90% speak English and 3% speak Spanish. 41% of Madison residents were born in Alabama, 48% were born out of state, 3% were born outside of the United States and 8% were foreign born.