Hamilton, AL has a population of 6,784 and is the 5,287th largest city in the United States. The population density is 178 per sq mi which is 94% higher than the Alabama average and 97% higher than the national average. The median age in Hamilton is 40 which is approximately 2% higher than the Alabama average of 39. In Hamilton, 64% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 67% of Hamilton residents were born in Alabama, 30% were born out of state, 1% were born outside of the United States and 2% were foreign born.