Belfast is a CDP located in Allegany County, New York. Belfast has a 2025 population of 608 . Belfast is currently declining at a rate of -2.56% annually and its population has decreased by -19.15% since the most recent census, which recorded a population of 752 in 2020.
The average household income in Belfast is $54,773 with a poverty rate of 11.46%. The median age in Belfast is 35.6 years: 22 years for males, and 43 years for females. For every 100 females there are 87.3 males.
Data after 2023 is projected based on recent change
The racial composition of Belfast includes 97.53% White, and smaller percentages for Two or more races, Native American and multiracial populations.
White (97.53%)
Two or more races (2.31%)
Native American (0.15%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 632 | 97.53% |
| Two or more races | 15 | 2.31% |
| Native American | 1 | 0.15% |
Married
Widowed
Divorced
Separated
Never Married
Belfast's average per capita income is $38,456. Household income levels show a median of $51,250. The poverty rate stands at 11.46%.
Name | Median | Mean |
|---|---|---|
| Married Families | $62,321 | - |
| Families | $62,159 | $71,957 |
| Households | $51,250 | $54,773 |
| Non Families | $27,279 | $37,266 |
Average Income
Median Household Income
Poverty Rate