Allegany County, New York Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 50th-largest in New York
The population of Allegany County, New York is 47,027 as of the 2023 American Community Survey, making it the 50th-largest county in New York. The median household income is $61,233, the median home value is $97,900, and the median age is 38.9.
The population of Allegany County has declined 3.4% since 2010 (48,973 → 47,299), a -0.25% annualized rate.
47,027
Population
-0.25%
Annual growth
46
People / sq mi
$61,233
Median Income
$97,900
Median Home Value
Allegany County covers 1,030 sq mi of land at 45.7 people per square mile.
About Allegany County, NY
Housing cost is the defining feature of Allegany County: the median home is valued at $97,900. With 47,027 residents, Allegany County is a county in New York. It ranks #50 among counties in New York by population.
Household earnings are middling, with a median of $61,233 — below the US median of $78,538. Poverty runs at 9.9%, below the national 12.4%. Housing costs are among the lowest of comparable places: a median home value of $97,900, with typical rent around $754.
Roughly 24.6% of adults have a bachelor’s, below the national 35.0%. Around 7.6% of workers work from home, below the national 14.0%, and the average commute runs about 23 minutes each way.
Allegany County Population History (2010-2024)
The county of Allegany County had a population of 48,973 in 2010 and 47,299 in 2024, a -3.4% growth over 14 years. The peak was 48,973 in 2010. Average annual growth rate: -0.24%.
47,299
Population (2024)
48,973
Population (2010)
48,973
Peak (2010)
-0.24%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 48,973 |
| 2011 | 48,808 |
| 2012 | 48,221 |
| 2013 | 47,918 |
| 2014 | 47,671 |
| 2015 | 47,352 |
| 2016 | 47,063 |
| 2017 | 46,669 |
| 2018 | 46,286 |
| 2019 | 45,915 |
| 2020 | 47,358 |
| 2021 | 46,962 |
| 2022 | 46,850 |
| 2023 | 47,327 |
| 2024 | 47,299 |
Race & Ethnicity
| White | 93.8% |
| Black or African American | 1.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Age & Sex
38.9
Median Age
49.3%
Female
50.7%
Male
19.8%
Age 65+
Age Distribution
Children (under 15): 16.3% · Seniors (65+): 19.8%
Income & Poverty
| Median household income | $61,233$-23,345 vs state |
| Mean household income | $78,176 |
| Per-capita income | $30,016 |
| Poverty rate | 9.9%+0.1% vs state |
| Unemployment rate | 3.9% |
| Employment-to-population | 50.1% |
Top Industries by Employment
The largest employment sector in Allegany County is professional & business services, accounting for 35.2% of workers.
How residents commute
0.2%
Drive alone
7.7%
Carpool
75.0%
Public transit
7.6%
Work from home
22.6 min
Avg commute
Housing
$97,900$-305,100 vs state
Median home value
$754
Median rent
80.3%
Homeownership rate
23,538
Total housing units
72.5%
Occupied
27.5%
Vacant
19.7%
Renter-occupied
Social & access
95.1%
With health insurance
90.9%
With broadband internet
15.4%
Foreign-born
8.3%
Veterans (18+)
16.6%
With a disability
95.2%
Speak language other than English at home
Education
91.6%
High School+
24.6%
Bachelor's+
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County rankings
Frequently Asked Questions
Allegany County, New York has a population of 47,027 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 50th-largest county in New York. Population density is 46 people per square mile.
The population of Allegany County has declined 3.4% since 2010 (48,973 → 47,299), a -0.25% annualized rate.
The median household income in Allegany County, New York is $61,233, with mean (average) household income of $78,176 and per-capita income of $30,016. 9.9% of residents live below the federal poverty level.
In Allegany County, the largest racial and ethnic groups are White (93.8%), Black or African American (1.7%), Hispanic or Latino (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Allegany County, New York is 38.9 years. Residents are 49.3% female and 50.7% male.
The median home value in Allegany County is $97,900 and median monthly rent is $754. 80.3% of occupied housing units are owner-occupied. The county has 23,538 total housing units, 27.5% of which are vacant.
The largest employment sector in Allegany County, New York is professional, scientific, and management services, employing 35.2% of workers. The unemployment rate is 3.9%.
New York is among the largest cities associated with Allegany County, New York, with a population of 8,516,202.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.