Petersburg is a city located in Nelson County, North Dakota. Petersburg has a 2025 population of 158 . Petersburg is currently declining at a rate of -0.63% annually and its population has decreased by -1.25% since the most recent census, which recorded a population of 160 in 2020.
The average household income in Petersburg is $86,843 with a poverty rate of 3.1%. The median age in Petersburg is 57.5 years: 64.3 years for males, and 38.5 years for females. For every 100 females there are 79.2 males.
Data after 2023 is projected based on recent change
The racial composition of Petersburg includes 81.4% White, 6.98% Asian, 3.88% other race, and smaller percentages for Native American and multiracial populations.
White (81.4%)
Asian (6.98%)
Two or more races (5.43%)
Other race (3.88%)
Native American (2.33%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 105 | 81.4% |
| Asian | 9 | 6.98% |
| Two or more races | 7 | 5.43% |
| Other race | 5 | 3.88% |
| Native American | 3 | 2.33% |
Married
Widowed
Divorced
Separated
Never Married
Petersburg's average per capita income is $45,625. Household income levels show a median of $64,167. The poverty rate stands at 3.1%.
Name | Median | Mean |
|---|---|---|
| Families | $112,500 | $117,318 |
| Married Families | $103,750 | - |
| Households | $64,167 | $86,843 |
| Non Families | $33,750 | $35,035 |
Average Income
Median Household Income
Poverty Rate