Decatur township is located in Brown County, Ohio. Decatur township has a 2026 population of 606. Decatur township is currently declining at a rate of -0.16% annually and its population has decreased by -3.04% since the most recent census, which recorded a population of 625 in 2020.
The median household income in Decatur township is $49,028 with a poverty rate of 34.02%. The median age in Decatur township is 31.3 years: 29.6 years for males, and 32.5 years for females. For every 100 females there are 83.7 males.
Data after 2023 is projected based on recent change
Overall: 31.3 years
Female: 32.5 years
Male: 29.6 years
There are 440 adults, (99 of whom are seniors) in Decatur township.
Female: 344 (54.4%)
Male: 288 (45.6%)
The racial composition of Decatur township includes 90.19% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 570 | 90.19% |
| Two or more races | 62 | 9.81% |
Decatur township 's average per capita income is $36,630. Household income levels show a median of $49,028. The poverty rate stands at 34.02%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $78,235 | - |
| Families | $67,574 | $73,551 |
| Households | $49,028 | $59,510 |
| Non Families | - | $26,172 |
Average Income
Median Household Income
Poverty Rate