Petersburg, Indiana Demographics & Population 2026
During the 2020–2024 ACS period, Petersburg, Indiana had a total population of 2,414, the 203rd largest city in Indiana, with a median household income of $54,188, which is 25% lower than the state average. The poverty rate is 11.5%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 9.1% of adults have a bachelor's degree, well below the national average of 35.7%.
- Housing is very affordable with a home-value-to-income ratio of just 2.3x.
- Near full employment with an unemployment rate of just 1.7%.
Petersburg Quick Facts
How Petersburg 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 | 2,141 | 2,414 | +12.8% |
| Median household income | $48,924 | $54,188 | +10.8% |
| Median home value | $94,700 | $122,000 | +28.8% |
How Petersburg 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+)
Petersburg Rankings in Indiana
Explore Indiana Rankings
Other Cities in Pike County
Cities Similar to Petersburg
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Fowler | 2,360 | $53,576 | $111,800 | 16.7% | 14.3% |
| Rising Sun | 2,474 | $58,843 | $155,700 | 17.3% | 11.6% |
| Chesterfield | 2,489 | $58,824 | $113,100 | 13.2% | 11.9% |
| Spencer | 2,481 | $48,378 | $162,900 | 21.0% | 14.1% |
| Rockville | 2,559 | $57,083 | $99,600 | 13.9% | 20.4% |
Population Overview
Petersburg is a small community located in Indiana, within Pike County. The total population is 2,414. It ranks as the 203rd most populous out of 967 Census-designated places in Indiana.
Age Demographics
The median age in Petersburg is 42.4 years. This is 11% higher than the state median of 38.1 years.
Economy, Income & Housing
The median household income in Petersburg is $54,188. This is 25% lower than the state median of $71,957. It is also 33% lower than the national median of $80,734. The poverty rate stands at 11.5%. This is 7% lower than the state poverty rate of 12.3%. The unemployment rate is 1.7%. This is 61% lower than the state rate of 4.3%. The median home value is $122,000. Housing costs are 44% lower than the state median of $218,200. With a home-value-to-income ratio of just 2.3x, Petersburg is one of the most affordable housing markets in the area. 72.8% of occupied housing units are owner-occupied. This homeownership rate is 3% higher than the state average of 70.5%.
Race & Ethnicity
Petersburg has a predominantly White (non-Hispanic) population, comprising 98.1% of all residents. Black or African American residents account for 1.1%. The Black or African American population (1.1%) is well below the state average of 9.1%. The Hispanic or Latino population (0.1%) is well below the state average of 8.6%.
Education
9.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 69% lower 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 85.6%.
Data Sources & Methodology
All demographic data for Petersburg, 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.
Free data download: Get all Indiana city and county demographics as CSV. Download Cities CSV | Download Counties CSV
Frequently Asked Questions
What is the population of Petersburg, Indiana?
Petersburg, Indiana has a population of 2,414 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Petersburg, IN?
The median household income in Petersburg is $54,188, which is 33% lower than the national median of $80,734.
What is the poverty rate in Petersburg, IN?
The poverty rate in Petersburg is 11.5%. This means approximately 268 residents live below the federal poverty line.
What is the racial makeup of Petersburg, Indiana?
Petersburg's population is 98.1% White, 1.1% Black, 0.1% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Petersburg, IN?
The median home value in Petersburg is $122,000. The home-value-to-income ratio is 2.3x.
How educated is Petersburg, Indiana?
9.1% of adults (25+) in Petersburg hold a bachelor's degree or higher, and 3.2% hold a graduate or professional degree.