Demographics of Northumberland County, Virginia

Northumberland County, Virginia had 12,557 people on July 1, 2025, by the Census Bureau’s estimate: +719 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.

Northumberland County, in four figures

12,557
Population: July 1, 2025, Vintage 2025 estimate.; +6.1%
Change since July 2020: +719 people.; 59.5 ±0.9
Median age: ACS 2020–⁠2024.; $66,480 ±$4,444
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.

Northumberland County, Virginia's population grew 6.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Northumberland 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

Northumberland County, Virginia's population grew 6.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Northumberland 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	11,838	100.0	100.0
2021	12,053	101.8	100.2
2022	12,262	103.6	100.7
2023	12,410	104.8	101.6
2024	12,412	104.8	102.5
2025	12,557	106.1	103.1

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Population of Northumberland 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	11,838	+3	−33	0	+41
2021	12,053	+215	−135	−1	+376
2022	12,262	+209	−178	−2	+358
2023	12,410	+148	−106	−1	+251
2024	12,412	+2	−105	−2	+109
2025	12,557	+145	−110	−7	+267

Age, 2020–2024

The median age is 59.5 ±0.9: for men 58.8 ±0.9 and for women 59.9 ±1.1. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Northumberland County by age, ACS 2020–2024
Age	People	Share	Virginia	United States
Under 5	491 ±167	4.0% ±1.4	5.6% ±<0.1	5.6% ±<0.1
5 to 17	1,194 ±252	9.8% ±2.1	16.1% ±0.1	16.3% ±<0.1
18 to 24	763 ±235	6.3% ±1.9	9.3% ±0.1	9.1% ±<0.1
25 to 44	1,889 ±374	15.5% ±3.1	27.1% ±0.1	26.9% ±<0.1
45 to 64	3,215 ±319	26.4% ±2.6	25.3% ±0.1	24.8% ±<0.1
65 and over	4,636 ±389	38.0% ±3.2	16.7% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $66,480 ±$4,444, and income per person $45,438 ±$5,470, 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 Northumberland County by income, ACS 2020–2024
Household income	Households	Share	Virginia	United States
Under $25,000	899 ±227	15.9% ±3.9	12.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,329 ±307	23.6% ±5.2	14.5% ±0.2	16.7% ±<0.1
$50,000 to $74,999	930 ±257	16.5% ±4.4	14.3% ±0.2	15.5% ±<0.1
$75,000 to $99,999	713 ±153	12.6% ±2.6	12.1% ±0.1	12.6% ±<0.1
$100,000 to $149,999	856 ±216	15.2% ±3.7	18.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	442 ±165	7.8% ±2.9	11.1% ±0.1	9.6% ±<0.1
$200,000 or more	471 ±155	8.4% ±2.7	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 Northumberland County by age, ACS 2020–2024
Age	Below poverty	Rate	Virginia	United States
All ages	1,401 ±472	11.5% ±3.9	9.9% ±0.2	12.5% ±0.1
Under 18	280 ±129	17.1% ±7.3	12.3% ±0.3	16.1% ±0.1
18 to 59	634 ±310	14.1% ±6.7	9.4% ±0.2	11.6% ±0.1
60 and over	487 ±159	8.1% ±2.6	8.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Northumberland County, ACS 2020–2024
Measure	Northumberland County	Virginia	United States
Housing units	9,044 ±28	3,684,756 ±486	143,775,355 ±10,234
Occupied	62.4% ±4.1	91.3% ±0.2	89.9% ±0.1
Vacant	37.6% ±4.1	8.7% ±0.2	10.1% ±0.1
Owner occupied	86.1% ±3.6	67.3% ±0.4	65.2% ±0.3
Renter occupied	13.9% ±4.6	32.7% ±0.2	34.8% ±0.1
Median home value	$346,800 ±$43,106	$383,700 ±$1,024	$332,700 ±$236
Median gross rent	$1,038 ±$299	$1,579 ±$8	$1,413 ±$2
Median year built	1989 ±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 Northumberland County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Virginia	United States
Hispanic or Latino	432 ±0	3.5% ±<0.1	11.0% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	8,327 ±175	68.3% ±1.4	58.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	2,326 ±374	19.1% ±3.1	18.3% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	160 to 906	1.3% to 7.4%	6.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 39	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 0.2%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	16 to 182	0.1% to 1.5%	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	455 ±207	3.7% ±1.7	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 Northumberland County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Virginia	United States
Born in the state	6,729 ±528	55.2% ±4.3	48.8% ±0.1	57.3% ±<0.1
Born in another state	4,864 ±424	39.9% ±3.5	35.9% ±0.2	26.9% ±<0.1
Born a citizen outside the states	4 to 76	< 0.1% to 0.6%	2.1% ±<0.1	1.7% ±<0.1
Born abroad	555 ±253	4.6% ±2.1	13.1% ±0.1	14.1% ±<0.1
Naturalized citizens	242 to 772	2.0% to 6.3%	7.4% ±0.1	7.4% ±<0.1
Not citizens	0 to 96	0% to 0.8%	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%.

Northumberland County among the counties of Virginia

107th of 133 by population, July 2025. Every one is listed on the Virginia page.

Counties of Virginia near Northumberland County in population, July 2025
County	July 2025	Change since 2020
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%
Northumberland County	12,557	+6.1%
Lunenburg County	12,058	+0.9%
Northampton County	11,879	−2.8%
Charlotte County	11,401	−1.2%
Greensville County	11,181	−1.8%
Lancaster County	10,995	+0.9%

Elsewhere on the site

Rankings this appears in

No. 4 Counties by median age
No. 8 Counties by homeownership rate
No. 30 Counties by population growth in Virginia
No. 107 Counties by population in Virginia
No. 163 Counties by per capita income
No. 278 Counties by median home value

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