Allardt is a city located in Fentress County, Tennessee. Allardt has a 2026 population of 602. Allardt is currently growing at a rate of 2.21% annually and its population has increased by 8.27% since the most recent census, which recorded a population of 556 in 2020.
The median household income in Allardt is $70,114 with a poverty rate of 25.19%. The median age in Allardt is 44.6 years: 42.4 years for males, and 49.8 years for females. For every 100 females there are 84.9 males.