Sullivan is located in Grant County, Kansas. Sullivan has a 2025 population of 159 . Sullivan is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Sullivan is $104,181 with a poverty rate of 0%. The median age in Sullivan is 58.4 years: 61.2 years for males, and 55.9 years for females. For every 100 females there are 174.1 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 | 159 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Sullivan's average per capita income is $48,361. Household income levels show a median of $69,732. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Married Families | $69,911 | - |
| Households | $69,732 | $104,181 |
| Families | $69,732 | $97,349 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate