Millhousen is a town located in Decatur County, Indiana. Millhousen has a 2025 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 48 years: 47.4 years for males, and 50.9 years for females. For every 100 females there are 146.1 males.
Data after 2023 is projected based on recent change
The racial composition of Millhousen includes 91.24% White, and smaller percentages for Asian and multiracial populations.
White (91.24%)
Two or more races (7.17%)
Asian (1.59%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 229 | 91.24% |
| Two or more races | 18 | 7.17% |
| Asian | 4 | 1.59% |
Married
Widowed
Divorced
Separated
Never Married