Belleville is a CDP located in Jefferson County, New York. Belleville has a 2025 population of 305 . Belleville is currently growing at a rate of 1.67% annually and its population has increased by 9.32% since the most recent census, which recorded a population of 279 in 2020.
The average household income in Belleville is $67,617 with a poverty rate of 8.23%. The median age in Belleville is 65.2 years: 59.9 years for males, and 69.2 years for females. For every 100 females there are 94.1 males.
Data after 2023 is projected based on recent change
The racial composition of Belleville includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 231 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Belleville's average per capita income is $41,667. Household income levels show a median of $68,611. The poverty rate stands at 8.23%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,028 | - |
| Families | $71,319 | $72,921 |
| Households | $68,611 | $67,617 |
| Non Families | $54,083 | $53,579 |
Average Income
Median Household Income
Poverty Rate