Petersburg, Michigan Demographics & Population 2026
Demographic data: ACS 2020–2024 five-year estimates. Sources and methodology
During the 2020–2024 ACS period, Petersburg, Michigan had a total population of 1,179, the 409th largest city in Michigan, with a median household income of $83,235, which is 14% higher than the state average. The poverty rate is 1.8%.
Key Takeaways
- An exceptionally low poverty rate of 1.8% — among the lowest in Michigan.
- Near full employment with an unemployment rate of just 1.7%.
Petersburg Quick Facts
How Petersburg Changed
Change from the non-overlapping 2015–2019 ACS period to 2020–2024. Earlier dollar figures are adjusted to 2024 dollars; changes marked “no clear change” are within the combined 90% margins of error.
| Metric | 2015–2019 | 2020–2024 | Change |
|---|---|---|---|
| Population | 1,200 | 1,179 | No clear change (-1.8%) |
| Median household income | $71,562 | $83,235 | No clear change (+16.3%) |
| Median home value¹ | $159,869 | $215,500 | +34.8% |
| Median gross rent | $925 | $1,012 | No clear change (+9.3%) |
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
- White: 94.9%
- Black: 0.0%
- Hispanic: 3.3%
- Asian: 0.0%
- Other: 0.0%
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 45 | National average: 61
Education
Educational Attainment (Adults 25+)
- < High School: 6.0%
- HS Diploma: 37.2%
- Some College: 30.8%
- Associate's: 10.3%
- Bachelor's: 11.2%
- Graduate+: 4.5%
Petersburg Rankings in Michigan
Explore Michigan Rankings
Other Cities in Monroe County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Monroe | 20,320 | $59,813 | 19.2% | $167,900 |
| Lambertville | 9,955 | $102,521 | 5.6% | $256,400 |
| Temperance | 8,914 | $81,503 | 6.6% | $250,100 |
| South Monroe | 6,960 | $61,982 | 15.2% | $184,000 |
| Dundee | 5,744 | $78,837 | 5.2% | $257,300 |
| Detroit Beach | 2,771 | $76,524 | 11.4% | $170,100 |
| West Monroe | 2,711 | $48,317 | 31.8% | $109,200 |
| Carleton | 2,595 | $73,365 | 7.6% | $207,400 |
| South Rockwood | 1,924 | $78,203 | 11.5% | $226,500 |
| Woodland Beach | 1,919 | $73,750 | 16.3% | $183,700 |
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 |
|---|---|---|---|---|---|
| Weidman | 1,156 | N/A | N/A | 17.7% | 52.3% |
| Grass Lake | 1,186 | $80,938 | $205,100 | 31.5% | 5.6% |
| Fruitport | 1,212 | $84,306 | $218,300 | 20.5% | 5.0% |
| Kent City | 1,203 | $76,587 | $167,200 | 12.8% | 6.0% |
| Reese | 1,274 | $82,361 | $174,700 | 29.3% | 2.6% |
Population Overview
Petersburg is a small community located in Michigan, within Monroe County. The total population is 1,179. It ranks as the 409th most populous out of 745 Census-designated places in Michigan.
Age Demographics
The median age in Petersburg is 37.8 years. This is 6% lower than the state median of 40.2 years.
Economy, Income & Housing
The median household income in Petersburg is $83,235. This is 14% higher than the state median of $72,875. It is also 3% higher than the national median of $80,734. The poverty rate stands at 1.8%. This is 87% lower than the state poverty rate of 13.2%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 1.7%. This is 69% lower than the state rate of 5.7%. The median home value is $215,500. Housing costs are 7% lower than the state median of $231,600. With a home-value-to-income ratio of just 2.6x, Petersburg is one of the most affordable housing markets in the area. 80.9% of occupied housing units are owner-occupied. This homeownership rate is 10% higher than the state average of 73.2%.
Race & Ethnicity
Petersburg has a predominantly White (non-Hispanic) population, comprising 94.9% of all residents. Hispanic or Latino residents account for 3.3%.
Education
15.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 52% lower than the state rate of 32.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.0%.
Data Sources & Methodology
All demographic data for Petersburg, Michigan 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 Michigan state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 745 Census-designated places in Michigan. 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, Michigan?
Petersburg, Michigan has a population of 1,179 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Petersburg, MI?
The median household income in Petersburg is $83,235, which is 3% higher than the national median of $80,734.
What is the poverty rate in Petersburg, MI?
The poverty rate in Petersburg is 1.8%. This means approximately 21 residents live below the federal poverty line.
What is the racial makeup of Petersburg, Michigan?
Petersburg's population is 94.9% White, 0.0% Black, 3.3% Hispanic/Latino, and 0.0% Asian.
What is the median home value in Petersburg, MI?
The median home value in Petersburg is $215,500. The home-value-to-income ratio is 2.6x.
How educated is Petersburg, Michigan?
15.7% of adults (25+) in Petersburg hold a bachelor's degree or higher, and 4.5% hold a graduate or professional degree.