Demographics of Allegany County, New York

Allegany County, New York had 46,800 people on July 1, 2025, by the Census Bureau’s estimate: +415 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Allegany County, in four figures

46,800
Population: July 1, 2025, Vintage 2025 estimate.; +0.9%
Change since July 2020: +415 people.; 38.7 ±0.4
Median age: ACS 2020–⁠2024.; $62,869 ±$2,132
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Allegany County, New York's population grew 0.9% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Allegany County, New York's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Allegany County, New York's population grew 0.9% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Allegany County, New York's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	46,385	100.0	100.0
2021	46,753	100.8	100.2
2022	46,646	100.6	100.7
2023	46,694	100.7	101.6
2024	46,822	100.9	102.5
2025	46,800	100.9	103.1

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Population of Allegany County, New York on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	46,385	−73	+2	0	−76
2021	46,753	+368	−89	+6	+451
2022	46,646	−107	−101	+22	+2
2023	46,694	+48	−104	+42	+121
2024	46,822	+128	−103	+52	+182
2025	46,800	−22	−109	+40	+46

Age, 2020–2024

The median age is 38.7 ±0.4: for men 38.0 ±0.5 and for women 39.3 ±0.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Allegany County by age, ACS 2020–2024
Age	People	Share	New York	United States
Under 5	2,342 ±49	5.0% ±0.1	5.4% ±<0.1	5.6% ±<0.1
5 to 17	6,900 ±223	14.6% ±0.5	15.0% ±<0.1	16.3% ±<0.1
18 to 24	8,195 ±388	17.4% ±0.8	8.9% ±<0.1	9.1% ±<0.1
25 to 44	9,174 ±231	19.5% ±0.5	27.1% ±<0.1	26.9% ±<0.1
45 to 64	11,092 ±325	23.5% ±0.7	25.6% ±0.1	24.8% ±<0.1
65 and over	9,456 ±326	20.1% ±0.7	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $62,869 ±$2,132, and income per person $29,954 ±$844, in 2024 dollars. The median is $85,974 ±$402 in New York and $80,734 ±$166 in the United States.

Households by income

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Households in Allegany County by income, ACS 2020–2024
Household income	Households	Share	New York	United States
Under $25,000	3,579 ±319	20.2% ±1.8	16.0% ±0.1	14.6% ±<0.1
$25,000 to $49,999	3,390 ±258	19.1% ±1.4	15.1% ±0.1	16.7% ±<0.1
$50,000 to $74,999	3,246 ±213	18.3% ±1.2	13.6% ±0.1	15.5% ±<0.1
$75,000 to $99,999	2,844 ±231	16.1% ±1.3	11.4% ±0.1	12.6% ±<0.1
$100,000 to $149,999	2,923 ±209	16.5% ±1.1	16.7% ±0.1	17.5% ±<0.1
$150,000 to $199,999	958 ±125	5.4% ±0.7	10.1% ±0.1	9.6% ±<0.1
$200,000 or more	770 ±106	4.3% ±0.6	17.1% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Allegany County by age, ACS 2020–2024
Age	Below poverty	Rate	New York	United States
All ages	6,834 ±699	16.2% ±1.7	14.0% ±0.2	12.5% ±0.1
Under 18	1,712 ±263	19.3% ±2.8	18.3% ±0.2	16.1% ±0.1
18 to 59	3,502 ±383	16.7% ±1.8	12.8% ±0.1	11.6% ±0.1
60 and over	1,620 ±202	13.1% ±1.6	13.1% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Allegany County, ACS 2020–2024
Measure	Allegany County	New York	United States
Housing units	23,540 ±73	8,585,241 ±652	143,775,355 ±10,234
Occupied	75.2% ±1.3	90.0% ±0.1	89.9% ±0.1
Vacant	24.8% ±1.3	10.0% ±0.1	10.1% ±0.1
Owner occupied	79.3% ±1.3	54.3% ±0.2	65.2% ±0.3
Renter occupied	20.7% ±1.4	45.7% ±0.1	34.8% ±0.1
Median home value	$101,700 ±$3,420	$423,800 ±$1,627	$332,700 ±$236
Median gross rent	$763 ±$30	$1,621 ±$7	$1,413 ±$2
Median year built	1966 ±2	1959 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Allegany County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	New York	United States
Hispanic or Latino	1,037 ±0	2.2% ±<0.1	19.8% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	43,736 ±79	92.7% ±0.2	52.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	696 ±94	1.5% ±0.2	13.4% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	644 ±55	1.4% ±0.1	9.0% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	27 to 97	0.1% to 0.2%	0.2% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 24	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	55 ±26	0.1% ±0.1	1.0% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	921 ±142	2.0% ±0.3	3.8% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Allegany County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	New York	United States
Born in the state	38,605 ±434	81.9% ±0.9	62.4% ±0.1	57.3% ±<0.1
Born in another state	7,426 ±416	15.7% ±0.9	12.3% ±0.1	26.9% ±<0.1
Born a citizen outside the states	270 ±67	0.6% ±0.1	2.5% ±<0.1	1.7% ±<0.1
Born abroad	858 ±129	1.8% ±0.3	22.8% ±0.1	14.1% ±<0.1
Naturalized citizens	339 ±75	0.7% ±0.2	13.6% ±0.1	7.4% ±<0.1
Not citizens	519 ±115	1.1% ±0.2	9.2% ±0.1	6.8% ±<0.1

Allegany County among the counties of New York

49th of 62 by population, July 2025. Every one is listed on the New York page.

Counties of New York near Allegany County in population, July 2025
County	July 2025	Change since 2020
Genesee County	58,416	+0.2%
Fulton County	52,216	−1.6%
Montgomery County	50,046	+1.1%
Tioga County	47,453	−1.9%
Greene County	47,238	−1.1%
Allegany County	46,800	+0.9%
Franklin County	46,500	−1.6%
Cortland County	45,850	−1.9%
Chenango County	45,715	−2.9%
Delaware County	44,305	+0.2%
Orleans County	39,825	−0.6%

Elsewhere on the site

Rankings this appears in

No. 3 Counties in New York by poverty rate
No. 5 Counties in New York by homeownership rate
No. 17 Counties by population growth in New York
No. 44 Counties in New York by median household income
No. 49 Counties by population in New York
No. 51 Counties in New York by median age

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026