Petersburg is a city located in Monroe County, Michigan. Petersburg has a 2026 population of 1,157. Petersburg is currently declining at a rate of -0.17% annually and its population has decreased by -1.28% since the most recent census, which recorded a population of 1,172 in 2020.
The median household income in Petersburg is $83,235 with a poverty rate of 1.78%. The median age in Petersburg is 37.8 years: 33.8 years for males, and 40.9 years for females. For every 100 females there are 90.5 males.
Data after 2023 is projected based on recent change
Overall: 37.8 years
Female: 40.9 years
Male: 33.8 years
There are 923 adults, (138 of whom are seniors) in Petersburg.
Female: 619 (52.5%)
Male: 560 (47.5%)
The racial composition of Petersburg includes 97.29% White, and smaller percentages for Two or more races, other race and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,147 | 97.29% |
| Two or more races | 27 | 2.29% |
| Other race | 5 | 0.42% |
Petersburg 's average per capita income is $48,194. Household income levels show a median of $83,235. The poverty rate stands at 1.78%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $114,643 | - |
| Families | $103,750 | $111,070 |
| Households | $83,235 | $95,473 |
| Non Families | $46,250 | $48,839 |
Average Income
Median Household Income
Poverty Rate