Millhousen is a town located in Decatur County, Indiana. Millhousen has a 2026 population of 147. Millhousen is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 147 in 2020.
The median age in Millhousen is 47.9 years: 47.4 years for males, and 50.8 years for females. For every 100 females there are 152.2 males.
Data after 2023 is projected based on recent change
Overall: 47.9 years
Female: 50.8 years
Male: 47.4 years
There are 198 adults, (76 of whom are seniors) in Millhousen.
Female: 90 (39.6%)
Male: 137 (60.4%)
The racial composition of Millhousen includes 91.19% White, and smaller percentages for Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 207 | 91.19% |
| Two or more races | 18 | 7.93% |
| Asian | 2 | 0.88% |