Sullivan is located in Ramsey County, North Dakota. Sullivan has a 2025 population of 34 . Sullivan is currently declining at a rate of 0% annually and its population has decreased by -2.86% since the most recent census, which recorded a population of 35 in 2020.
The average household income in Sullivan is $146,591 with a poverty rate of 0%. The median age in Sullivan is 32.9 years: 25.5 years for males, and 32.9 years for females. For every 100 females there are 169.2 males.
Data after 2023 is projected based on recent change
The racial composition of Sullivan includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 35 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Sullivan's average per capita income is $98,333. Household income levels show a median of $187,917. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Households | $187,917 | $146,591 |
| Families | $187,917 | $146,591 |
| Married Families | $187,917 | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate