Hayneville
- County:
- Lowndes County
- County Seat:
- Yes
- Area (mi²):
- 1.861
- State:
- Alabama
Hayneville is a town located in Lowndes County, Alabama. Hayneville has a 2026 population of 747. It is also the county seat of Lowndes County. Hayneville is currently declining at a rate of -2.61% annually and its population has decreased by -10.22% since the most recent census, which recorded a population of 832 in 2020.
The median household income in Hayneville is $37,723 with a poverty rate of 37.77%. The median age in Hayneville is 49.5 years: 45.5 years for males, and 49.6 years for females. For every 100 females there are 68.5 males.