Allegany County's 2026 population is estimated at 47,243, reflecting a -0.06% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Allegany County is the 49th largest county in New York. The 2010 population was 48,973 and has grown -3.53% since 2010.
Data after 2023 is projected based on recent change
Overall: 38.7 years
Female: 39.3 years
Male: 38 years
There are 37,917 adults, (9,456 of whom are seniors) in Allegany County.
Female: 23,141 (49.1%)
Male: 24,018 (50.9%)
The racial composition of Allegany County includes 93.33% White, and smaller percentages for Two or more races, Black or African American, Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 44,015 | 93.33% |
| Two or more races | 1,181 | 2.5% |
| Black or African American | 776 | 1.65% |
| Asian | 653 | 1.38% |
| Other race | 442 | 0.94% |
| Native American | 84 | 0.18% |
| Native Hawaiian or Pacific Islander | 8 | 0.02% |
Allegany County 's average per capita income is $44,179. Household income levels show a median of $62,869. The poverty rate stands at 16.18%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,062 | $104,250 |
| Families | $82,190 | $92,775 |
| Households | $62,869 | $76,480 |
| Non Families | $33,159 | $45,464 |
Average Income
Median Household Income
Poverty Rate