How many people live in Allegany County, NY?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 47,300 people living in Allegany County, NY. That makes Allegany County the 48th-most populous county in New York. It is home to 0.24% of people living in the state.
47.3K
population of Allegany County, NY (2024)
0.24%
County share of the New York population (2024)
About 47,300 people lived in Allegany County, NY in 2024.
Population estimates, 2000–2024
What are Allegany County, NY’s age demographics?
About 9,900 Allegany County, NY residents are aged 65 and older in 2024. That represents 21% of its population. For comparison, the age group represents 18.9% of New York’s population and 18% in the US overall.
Another 9,100 Allegany County residents, or 19.2% of the population, were children under 18. For comparison, the age group represents 20.1% of New York’s population and 21.6% in the US overall.
A higher share of Allegany County, NY's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are Allegany County, NY’s racial and ethnic demographics?
Non-Hispanic white residents make up 93.1% of the Allegany County, NY population, higher than the national share of 57.5%.
In contrast, Allegany County’s Hispanic population accounts for 2.3%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 1.5% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Allegany County, NY has a higher share of a non-Hispanic white population than New York as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Allegany County, NY is Alfred with about 5,500 residents in 2024.
Cities and towns in Allegany County, NY ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Alfred | 5,471 |
| 2. | Wellsville | 4,551 |
| 3. | Caneadea | 2,252 |
| 4. | Hume | 2,043 |
| 5. | Friendship | 1,930 |
| 6. | Belfast | 1,625 |
| 7. | Genesee | 1,601 |
| 8. | Scio | 1,599 |
| 9. | Cuba | 1,504 |
| 10. | Willing | 1,251 |
Keep exploring
Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.