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
Allegany County is a county in New York with a population of 47,027. It ranks #50 among counties in New York by population. The median age is 38.9, in line with the national median. The population is 50.7% male and 49.3% female.
The median household income in Allegany County is $61,233, below the US median of $74,580. 9.9% of residents live below the federal poverty level. Home values sit at a median of $97,900, with monthly rent averaging $754. The homeownership rate of 80.3% is higher than the national rate of 64.8%.
Educational attainment in Allegany County reflects 24.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.6% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 22.6 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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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.