Oldenburg

County:: Franklin County
County Seat:: No
Area (mi²):: 0.43
State:: Indiana

Oldenburg is a town located in Franklin County, Indiana. Oldenburg has a 2025 population of 650. 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 644 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.

Demographics

The racial composition of Oldenburg includes 98.39% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	734	98.39%
Two or more races	12	1.61%

Oldenburg Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$116,250	-
Families	$110,417	$149,063
Households	$77,692	$108,288
Non Families	$48,594	$44,245

$54,792

Average Income

$77,692

Median Household Income

21.18%

Poverty Rate