Petersburg, Tennessee Demographics & Population 2026
During the 2020–2024 ACS period, Petersburg, Tennessee had a total population of 508, the 386th largest town in Tennessee, with a median household income of $45,417, which is 35% lower than the state average. The poverty rate is 24.3%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 35% below the state average, indicating significant economic challenges.
- Only 9.2% of adults have a bachelor's degree, well below the national average of 35.7%.
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 | 579 | 508 | -12.3% |
| Median household income | $58,942 | $45,417 | -22.9% |
| Median home value | $144,600 | $154,900 | +7.1% |
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: 46 | National average: 61
Education
Educational Attainment (Adults 25+)
Petersburg Rankings in Tennessee
Explore Tennessee Rankings
Other Cities in Marshall County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Lewisburg | 12,861 | $48,341 | 19.9% | $225,700 |
| Cornersville | 1,847 | $64,375 | 27.7% | $236,700 |
| Chapel Hill | 1,712 | $75,441 | 4.1% | $311,100 |
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 |
|---|---|---|---|---|---|
| Big Sandy | 507 | $47,500 | $70,000 | 6.1% | 18.5% |
| Copperhill | 493 | $45,417 | $99,000 | 14.6% | 20.9% |
| Pleasant Hill | 514 | $51,406 | $175,000 | 44.0% | 14.9% |
| Clarkrange | 554 | N/A | $326,800 | 29.3% | 41.5% |
| Hillsboro | 555 | N/A | $273,900 | 21.7% | 15.9% |
A note before these figures: with a population of 508, Petersburg'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
Petersburg is a small community located in Tennessee, within Marshall County. The total population is 508. It ranks as the 386th most populous out of 502 Census-designated places in Tennessee.
Age Demographics
The median age in Petersburg is 39.8 years. This is 2% higher than the state median of 38.9 years.
Economy, Income & Housing
The median household income in Petersburg is $45,417. This is 35% lower than the state median of $69,595. It is also 44% lower than the national median of $80,734. The poverty rate stands at 24.3%. This is 77% higher than the state poverty rate of 13.8%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 4.9%. This is 5% higher than the state rate of 4.7%. The median home value is $154,900. Housing costs are 46% lower than the state median of $286,700. The home-value-to-income ratio is 3.4x. 64.8% of occupied housing units are owner-occupied. This homeownership rate is 3% lower than the state average of 66.9%.
Race & Ethnicity
Petersburg has a predominantly White (non-Hispanic) population, comprising 85.6% of all residents. Black or African American residents account for 3.1%. The Black or African American population (3.1%) is well below the state average of 15.4%. The Hispanic or Latino population (2.0%) is well below the state average of 7.4%.
Education
9.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 70% lower than the state rate of 31.1%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 79.8%.
Data Sources & Methodology
All demographic data for Petersburg, Tennessee 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 Tennessee state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 502 Census-designated places in Tennessee. 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 Petersburg, Tennessee?
Petersburg, Tennessee has a population of 508 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Petersburg, TN?
The median household income in Petersburg is $45,417, which is 44% lower than the national median of $80,734.
What is the poverty rate in Petersburg, TN?
The poverty rate in Petersburg is 24.3%. This means approximately 122 residents live below the federal poverty line.
What is the racial makeup of Petersburg, Tennessee?
Petersburg's population is 85.6% White, 3.1% Black, 2.0% Hispanic/Latino, and 1.4% Asian.
What is the median home value in Petersburg, TN?
The median home value in Petersburg is $154,900. The home-value-to-income ratio is 3.4x.
How educated is Petersburg, Tennessee?
9.2% of adults (25+) in Petersburg hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.