Oldenburg, Indiana Demographics & Population 2026
During the 2020–2024 ACS period, Oldenburg, Indiana had a total population of 770, the 413th largest town in Indiana, with a median household income of $79,583, which is 11% higher than the state average. The poverty rate is 18.6%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- 51.8% of adults hold a bachelor's degree or higher — top 10% in Indiana.
- Near full employment with an unemployment rate of just 0.9%.
Oldenburg Quick Facts
How Oldenburg Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 746 | 770 | +3.2% |
| Median household income | $77,692 | $79,583 | +2.4% |
| Median home value | $254,000 | $276,100 | +8.7% |
How Oldenburg Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 41 | National average: 61
Education
Educational Attainment (Adults 25+)
Oldenburg Rankings in Indiana
Explore Indiana Rankings
Other Cities in Franklin County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Brookville | 2,643 | $55,938 | 8.7% | $180,700 |
| Metamora | 491 | N/A | 0.0% | N/A |
| Laurel | 444 | $27,692 | 35.4% | $72,900 |
| New Trenton | 290 | $36,818 | 0.0% | $152,800 |
| Cedar Grove | 252 | $65,938 | 10.3% | $158,800 |
| Mount Carmel | 60 | $63,500 | 6.7% | $131,300 |
Cities Similar to Oldenburg
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| San Pierre | 727 | N/A | $193,600 | 9.3% | 1.8% |
| Medaryville | 729 | $80,375 | $78,500 | 2.9% | 9.5% |
| St. Leon | 737 | $76,250 | $280,800 | 21.1% | 15.2% |
| Wheatfield | 792 | $73,375 | $196,700 | 11.8% | 14.3% |
| Clayton | 818 | $82,188 | $229,300 | 22.0% | 3.9% |
A note before these figures: with a population of 770, Oldenburg's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
Oldenburg is a small community located in Indiana, within Franklin County. The total population is 770. It ranks as the 413th most populous out of 967 Census-designated places in Indiana.
Age Demographics
The median age in Oldenburg is 39.8 years. This is 4% higher than the state median of 38.1 years. With 28.1% of the population under 18, Oldenburg has a notably young demographic profile, suggesting a family-oriented community. 19.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Oldenburg is $79,583. This is 11% higher than the state median of $71,957. It is also 1% lower than the national median of $80,734. The poverty rate stands at 18.6%. This is 50% higher than the state poverty rate of 12.3%. The unemployment rate is 0.9%. This is 79% lower than the state rate of 4.3%. The median home value is $276,100. Housing costs are 27% higher than the state median of $218,200. The home-value-to-income ratio is 3.5x. 70.8% of occupied housing units are owner-occupied.
Race & Ethnicity
Oldenburg has a predominantly White (non-Hispanic) population, comprising 98.4% of all residents.
Education
51.8% of residents aged 25 and older hold a bachelor's degree or higher. This places Oldenburg in the top 10% of all cities in the state for educational attainment. This is 76% higher than the state rate of 29.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.0%. Notably, 28.6% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Oldenburg, Indiana is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Indiana state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 967 Census-designated places in Indiana. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Oldenburg, Indiana?
Oldenburg, Indiana has a population of 770 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Oldenburg, IN?
The median household income in Oldenburg is $79,583, which is 1% lower than the national median of $80,734.
What is the poverty rate in Oldenburg, IN?
The poverty rate in Oldenburg is 18.6%. This means approximately 143 residents live below the federal poverty line.
What is the racial makeup of Oldenburg, Indiana?
Oldenburg's population is 98.4% White, 0.0% Black, 0.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Oldenburg, IN?
The median home value in Oldenburg is $276,100. The home-value-to-income ratio is 3.5x.
How educated is Oldenburg, Indiana?
51.8% of adults (25+) in Oldenburg hold a bachelor's degree or higher, and 28.6% hold a graduate or professional degree.