Oldenburg is a town located in Franklin County, Indiana. Oldenburg has a 2025 population of 648 . Oldenburg is currently growing at a rate of 0.15% annually and its population has increased by 0.93% since the most recent census, which recorded a population of 642 in 2020.
The average household income in Oldenburg is $108,288 with a poverty rate of 21.18%. The median age in Oldenburg is 39.5 years: 35.3 years for males, and 50 years for females. For every 100 females there are 68.0 males.
Data after 2023 is projected based on recent change
The racial composition of Oldenburg includes 98.39% White, and smaller percentages for Two or more races and multiracial populations.
White (98.39%)
Two or more races (1.61%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 734 | 98.39% |
| Two or more races | 12 | 1.61% |
Married
Widowed
Divorced
Separated
Never Married
Oldenburg's average per capita income is $54,792. Household income levels show a median of $77,692. The poverty rate stands at 21.18%.
Name | Median | Mean |
|---|---|---|
| Married Families | $116,250 | - |
| Families | $110,417 | $149,063 |
| Households | $77,692 | $108,288 |
| Non Families | $48,594 | $44,245 |
Average Income
Median Household Income
Poverty Rate