Hayneville is a city located in Lowndes County Alabama. It is also the county seat of Lowndes County. With a 2020 population of 738, it is the 293rd largest city in Alabama and the 11650th largest city in the United States . Hayneville is currently declining at a rate of -3.02% annually and its population has decreased by -20.82% since the most recent census, which recorded a population of 932 in 2010. Hayneville reached it's highest population of 932 in 2010. Spanning over 2 miles, Hayneville has a population density of 397 people per square mile.
The average household income in Hayneville is $34,351 with a poverty rate of 37.00%. The median rental costs in recent years comes to $451 per month, and the median house value is $67,800. The median age in Hayneville is 39.5 years, 39.6 years for males, and 36.9 years for females.