Phenix City, AL has a population of 36,990 and is the 1,130th largest city in the United States. The population density is 1,321 per sq mi which is 1336% higher than the Alabama average and 1358% higher than the national average. The median age in Phenix City is 32 which is approximately 16% lower than the Alabama average of 39. In Phenix City, 48% of the population over 15 years of age are married, 95% speak English and 3% speak Spanish. 29% of Phenix City residents were born in Alabama, 66% were born out of state, 2% were born outside of the United States and 3% were foreign born.