Letts is a CDP located in Decatur County, Indiana. Letts has a 2026 population of 65. Letts is currently growing at a rate of 6.56% 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 Letts is 30 years: 28.9 years for males, and 31.1 years for females. For every 100 females there are 129.9 males.
Data after 2023 is projected based on recent change
Overall: 30 years
Female: 31.1 years
Male: 28.9 years
There are 102 adults, (11 of whom are seniors) in Letts.
Female: 67 (43.5%)
Male: 87 (56.5%)
The racial composition of Letts includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 154 | 100% |