Mercer is a CDP located in Madison County, Tennessee. Mercer has a 2026 population of 75. Mercer is currently growing at a rate of 7.14% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median age in Mercer is 50.9 years: 52.4 years for males, and 50.8 years for females. For every 100 females there are 120.7 males.
Data after 2023 is projected based on recent change
Overall: 50.9 years
Female: 50.8 years
Male: 52.4 years
There are 128 adults, (10 of whom are seniors) in Mercer.
Female: 58 (45.3%)
Male: 70 (54.7%)
The racial composition of Mercer includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 128 | 100% |