Lineville, AL has a population of 2,590 and is the 9,634th largest city in the United States. The population density is 290 per sq mi which is 215% higher than the Alabama average and 220% higher than the national average. The median age in Lineville is 33 which is approximately 16% lower than the Alabama average of 39. In Lineville, 56% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 77% of Lineville residents were born in Alabama, 22% were born out of state, 0% were born outside of the United States and 2% were foreign born.