La Fayette, AL has a population of 2,975 and is the 8,865th largest city in the United States. The population density is 336 per sq mi which is 265% higher than the Alabama average and 271% higher than the national average. The median age in La Fayette is 43 which is approximately 11% higher than the Alabama average of 39. In La Fayette, 43% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 88% of La Fayette residents were born in Alabama, 11% were born out of state, 0% were born outside of the United States and 1% were foreign born.