Petersburg Flag

Petersburg

County:
Monroe County
County Seat:
No
Area (mi²):
0.483
State:
Michigan

Petersburg is a city located in Monroe County, Michigan. Petersburg has a 2025 population of 1,146. Petersburg is currently declining at a rate of -0.43% annually and its population has decreased by -2.05% since the most recent census, which recorded a population of 1,170 in 2020.

The average household income in Petersburg is $87,060 with a poverty rate of 3.98%.The median age in Petersburg is 39.2 years: 34.2 years for males, and 41.2 years for females.

1.1K
Total Population
2,374
Density (mi²)
-5 -0.43%
Growth

Petersburg Population

Petersburg Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Petersburg includes 97.22% White, and smaller percentages for Two or more races, other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White1,22697.22%
Two or more races302.38%
Other race50.4%

Petersburg Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Petersburg's average per capita income is $45,750. Household income levels show a median of $76,071. The poverty rate stands at 3.98%.

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$104,464-
Families$83,333$98,345
Households$76,071$87,060
Non Families$40,833$47,391

$45,750

Average Income

$76,071

Median Household Income

3.98%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)