Brookside, AL has a population of 1,202 and is the 14,021st largest city in the United States. The population density is 188 per sq mi which is 104% higher than the Alabama average and 107% higher than the national average. The median age in Brookside is 46 which is approximately 19% higher than the Alabama average of 39. In Brookside, 62% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 95% of Brookside residents were born in Alabama, 5% were born out of state, 0% were born outside of the United States and 0% were foreign born.