Demographics of Alleghany County, Virginia

Alleghany County, Virginia had 14,546 people on July 1, 2025, by the Census Bureau’s estimate: −641 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.

Alleghany County, in four figures

14,546
Population: July 1, 2025, Vintage 2025 estimate.; −4.2%
Change since July 2020: −641 people.; 48.3 ±0.7
Median age: ACS 2020–⁠2024.; $56,188 ±$4,205
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.

Alleghany County, Virginia's population shrank 4.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Alleghany County, Virginia'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

Alleghany County, Virginia's population shrank 4.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Alleghany County, Virginia'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	15,187	100.0	100.0
2021	15,003	98.8	100.2
2022	14,757	97.2	100.7
2023	14,733	97.0	101.6
2024	14,674	96.6	102.5
2025	14,546	95.8	103.1

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Population of Alleghany County, Virginia on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	15,187	−29	−17	0	−11
2021	15,003	−184	−189	0	−8
2022	14,757	−246	−209	+2	−31
2023	14,733	−24	−133	+14	+98
2024	14,674	−59	−143	+15	+69
2025	14,546	−128	−153	+2	+23

Age, 2020–2024

The median age is 48.3 ±0.7: for men 46.4 ±0.6 and for women 50.8 ±1.3. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Alleghany County by age, ACS 2020–2024
Age	People	Share	Virginia	United States
Under 5	539 ±38	3.6% ±0.3	5.6% ±<0.1	5.6% ±<0.1
5 to 17	2,204 ±233	14.8% ±1.6	16.1% ±0.1	16.3% ±<0.1
18 to 24	1,057 ±160	7.1% ±1.1	9.3% ±0.1	9.1% ±<0.1
25 to 44	3,037 ±242	20.4% ±1.6	27.1% ±0.1	26.9% ±<0.1
45 to 64	4,117 ±228	27.7% ±1.5	25.3% ±0.1	24.8% ±<0.1
65 and over	3,905 ±320	26.3% ±2.2	16.7% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $56,188 ±$4,205, and income per person $33,863 ±$2,957, in 2024 dollars. The median is $93,170 ±$458 in Virginia and $80,734 ±$166 in the United States.

Households by income

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Households in Alleghany County by income, ACS 2020–2024
Household income	Households	Share	Virginia	United States
Under $25,000	1,444 ±279	22.6% ±4.3	12.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,381 ±250	21.6% ±3.8	14.5% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,355 ±217	21.2% ±3.3	14.3% ±0.2	15.5% ±<0.1
$75,000 to $99,999	700 ±139	11.0% ±2.1	12.1% ±0.1	12.6% ±<0.1
$100,000 to $149,999	957 ±235	15.0% ±3.6	18.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	316 ±103	5.0% ±1.6	11.1% ±0.1	9.6% ±<0.1
$200,000 or more	230 ±71	3.6% ±1.1	17.7% ±0.2	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 Alleghany County by age, ACS 2020–2024
Age	Below poverty	Rate	Virginia	United States
All ages	1,693 ±325	11.6% ±2.2	9.9% ±0.2	12.5% ±0.1
Under 18	99 to 311	3.7% to 11.5%	12.3% ±0.3	16.1% ±0.1
18 to 59	612 ±199	8.6% ±2.8	9.4% ±0.2	11.6% ±0.1
60 and over	876 ±230	18.6% ±4.7	8.9% ±0.2	11.0% ±<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%.

Housing, 2020–2024

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Housing in Alleghany County, ACS 2020–2024
Measure	Alleghany County	Virginia	United States
Housing units	7,913 ±35	3,684,756 ±486	143,775,355 ±10,234
Occupied	80.7% ±2.8	91.3% ±0.2	89.9% ±0.1
Vacant	19.3% ±2.8	8.7% ±0.2	10.1% ±0.1
Owner occupied	82.3% ±2.8	67.3% ±0.4	65.2% ±0.3
Renter occupied	17.7% ±3.3	32.7% ±0.2	34.8% ±0.1
Median home value	$125,800 ±$12,256	$383,700 ±$1,024	$332,700 ±$236
Median gross rent	$765 ±$108	$1,579 ±$8	$1,413 ±$2
Median year built	1969 ±3	1984 ±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 Alleghany County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Virginia	United States
Hispanic or Latino	237 ±0	1.6% ±<0.1	11.0% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	13,516 ±37	91.0% ±0.2	58.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	778 ±156	5.2% ±1.0	18.3% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 138	0% to 0.9%	6.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 40	0% to 0.3%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 21	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 51	0% to 0.3%	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	84 to 380	0.6% to 2.6%	4.7% ±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 Alleghany County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Virginia	United States
Born in the state	11,639 ±380	78.3% ±2.6	48.8% ±0.1	57.3% ±<0.1
Born in another state	2,933 ±353	19.7% ±2.4	35.9% ±0.2	26.9% ±<0.1
Born a citizen outside the states	44 to 240	0.3% to 1.6%	2.1% ±<0.1	1.7% ±<0.1
Born abroad	62 to 228	0.4% to 1.5%	13.1% ±0.1	14.1% ±<0.1
Naturalized citizens	20 to 120	0.1% to 0.8%	7.4% ±0.1	7.4% ±<0.1
Not citizens	20 to 130	0.1% to 0.9%	5.7% ±0.1	6.8% ±<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%.

Alleghany County among the counties of Virginia

101st of 133 by population, July 2025. Every one is listed on the Virginia page.

Counties of Virginia near Alleghany County in population, July 2025
County	July 2025	Change since 2020
Brunswick County	15,727	−0.6%
Clarke County	15,609	+5.3%
Grayson County	15,230	−0.3%
Falls Church city	15,159	+3.3%
Nelson County	14,920	+1.2%
Alleghany County	14,546	−4.2%
Madison County	14,237	+2.7%
Martinsville city	13,849	+2.8%
Amelia County	13,632	+2.7%
Poquoson city	13,292	+6.6%
Dickenson County	13,236	−6.0%

Elsewhere on the site

Rankings this appears in

No. 6 Counties in Virginia by homeownership rate
No. 13 Counties in Virginia by median age
No. 34 Counties in Virginia by poverty rate
No. 47 Counties by homeownership rate
No. 61 Counties in Virginia by per capita income
No. 76 Counties in Virginia by median household income

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 · U.S. Government work

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