Smiths Station, AL has a population of 5,235 and is the 6,254th largest city in the United States. The population density is 757 per sq mi which is 723% higher than the Alabama average and 735% higher than the national average. The median age in Smiths Station is 37 which is approximately 4% lower than the Alabama average of 39. In Smiths Station, 59% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 31% of Smiths Station residents were born in Alabama, 67% were born out of state, 1% were born outside of the United States and 1% were foreign born.