County · Virginia
Northumberland County, Virginia
Northumberland County, Virginia. Northumberland County had 12,557 residents in 2025 by the Census Bureau's estimate, up 6.1% since 2020, faster than Virginia (+2.9%). It holds 2 places (1 city, village or borough and 1 census-designated) and 5 census tracts. GEOID 51133.
Residents, July 2025 estimate
12,557
Census Bureau estimate (no margin published)
2020 Census count: 11,839 · ACS 2020-2024: 12,188
Median household income
$66,480
±$4,444 (90% margin)
Virginia: $93,170
Median home value
$346,800
±$43,106 (90% margin)
Virginia: $383,700
Median gross rent
$1,038
±$299 (90% margin)
Virginia: $1,579
How many people live in Northumberland County, and is it growing?
The 2020 Census counted 11,839 residents in Northumberland County. The Census Bureau estimates 12,557 for July 1, 2025, up 6.1% since 2020, faster than Virginia (+2.9%). The 2020-2024 American Community Survey puts the population at 12,188 over 191 square miles of land.
| Measure | Northumberland County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Total population | 12,188 | 8,705,170 | −2 |
| Households | 5,640±367 | 3,365,732 | no clear change |
| Average household size | 2.16±0.14 | 2.52 | no clear change |
| Housing units | 9,044±28 | 3,684,756 | −233 |
Northumberland County's population since 2000
From 12,259 in 2000 to 12,557 in 2025: up 2.4%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Northumberland County?
Northumberland County holds 2 places: 1 city, village or borough (an incorporated place) and 1 census-designated place. The largest is Heathsville with 98 residents (2020-2024). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| HeathsvilleGEOID 5136216 | 136 | $11,597 |
|---|---|---|
| Kilmarnock | 1,445 | $40,234 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Northumberland County?
The median resident of Northumberland County is 59.5 years old; 13.8% are under 18 and 38.0% are 65 or older. The largest group is non-Hispanic white residents at 68.3%, then non-Hispanic Black residents at 19.1%. 4.6% of residents were born outside the United States.
| Measure | Northumberland County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Median age | 59.5±0.9 | 39.0 | no clear change |
| Under 18 years | 13.8%±0.1 pts | 21.7% | – |
| 65 years and over | 38.0%±0.5 pts | 16.7% | – |
| Hispanic or Latino (any race) | 3.5% | 11.0% | – |
| White alone, not Hispanic | 68.3%±1.4 pts | 58.4% | no clear change |
| Black or African American alone, not Hispanic | 19.1%±3.1 pts | 18.3% | −8.2 pts |
| Asian alone, not Hispanic | 4.4%±3.1 pts | 6.9% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.2 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.3 pts | 0.1% | – |
| Two or more races, not Hispanic | 3.7%±1.7 pts | 4.7% | – |
| Some other race alone, not Hispanic | 0.8%±0.7 pts | 0.6% | – |
| Born outside the United States | 4.6%±2.1 pts | 13.1% | +3.3 pts |
| Speak a language other than English at home (age 5+) | 5.9%±2.5 pts | 17.4% | – |
| Civilian veterans (age 18+) | 11.2%±2.1 pts | 9.4% | – |
| With a disability | 16.3%±2.6 pts | 12.5% | – |
| No health insurance coverage | 6.6%±2.6 pts | 6.9% | no clear change |
| High school graduate or higher (age 25+) | 89.5%±2.4 pts | 91.6% | – |
| Bachelor's degree or higher (age 25+) | 33.6%±4.7 pts | 42.2% | no clear change |
| Graduate or professional degree (age 25+) | 14.8%±2.8 pts | 18.5% | – |
| Moved from another state in the past year | 2.1%±1.0 pts | 3.1% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Northumberland County earn?
Half of Northumberland County's 5,640 households earn less than $66,480 a year (±$4,444), against $93,170 in Virginia. In 2015-2019 the median was $77,081 in 2024 dollars, so it fell by $10,601 after inflation. 11.5% of residents live below the poverty line.
| Measure | Northumberland County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $66,480±$4,444 | $93,170 | −$10,601 |
| Mean household income | $93,845±$12,163 | $128,260 | – |
| Per capita income | $45,438±$5,470 | $50,666 | no clear change |
| People below the poverty line | 11.5%±3.9 pts | 9.9% | no clear change |
| Children under 18 below the poverty line | 17.1%±9.4 pts | 12.3% | no clear change |
| Households receiving SNAP | 6.6%±2.3 pts | 9.1% | – |
| Households with a broadband subscription | 81.1%±4.1 pts | 91.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Northumberland County?
Owners occupy 86.1% of Northumberland County's occupied homes and renters 13.9%. The median owner-occupied home is valued at $346,800 by its owner (±$43,106). The median renter pays $1,038 a month including utilities, and 40.2% of renters pay 35% or more of their income on rent.
| Measure | Northumberland County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $346,800±$43,106 | $383,700 | no clear change |
| Median gross rent | $1,038±$299 | $1,579 | no clear change |
| Renters paying 35% or more of income on rent | 40.2%±19.7 pts | 39.4% | no clear change |
| Median monthly owner costs, with a mortgage | $1,518±$175 | $2,127 | – |
| Owner-occupied homes | 86.1%±4.5 pts | 67.3% | no clear change |
| Housing units | 9,044±28 | 3,684,756 | −233 |
| Homeowner vacancy rate | 1.8%±1.3 pts | 0.8% | – |
| Rental vacancy rate | 14.5%±10.5 pts | 4.8% | – |
| Single-family detached homes | 86.3%±3.0 pts | 61.3% | – |
| Mobile homes | 8.4%±2.0 pts | 4.3% | – |
| Built 2020 or later | 0.4%±0.4 pts | 1.7% | – |
| Built 1939 or earlier | 7.9%±2.5 pts | 7.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Northumberland County building?
Builders took permits for 65 new housing units across Northumberland County in 2025 (65 single-family), 5.2 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Northumberland County get to work?
68.6% of Northumberland County's workers drive alone and 15.2% work from home. The average trip to work takes 32.8 minutes.
| Measure | Northumberland County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 42.5%±3.5 pts | 65.4% | – |
| Unemployment rate | 3.8%±3.1 pts | 4.3% | – |
| Drove alone to work | 68.6%±7.0 pts | 67.6% | – |
| Carpooled | 14.1%±6.0 pts | 8.0% | – |
| Public transportation | 0.0%±0.9 pts | 2.3% | – |
| Walked | 1.0%±1.0 pts | 2.1% | – |
| Worked from home | 15.2%±5.3 pts | 18.3% | +7.2 pts |
| Mean travel time to work | 32.8 min±4.3 | 27.3 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Northumberland County's census tracts?
Northumberland County is divided into 5 census tracts. Among those with a reliable estimate, median household income runs from $51,305 (Tract 201) to $100,089 (Tract 203.01).
| Tract 20151133020100 | 3,445±511 | $51,305 |
|---|---|---|
| Tract 20251133020200 | 3,486±432 | $56,576 |
| Tract 203.0151133020301 | 2,179±377 | $100,089 |
| Tract 203.0251133020302 | 3,078±359 | $76,635 |
| Tract 990151133990100 | 0±13 | not published |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Northumberland County compare with Virginia's other counties?
| Measure | Rank |
|---|---|
| Population | 107th of 133 |
| Growth 2020-2025 | 30th of 133 |
| Residents per square mile | 92nd of 133 |
| Median household income | 70th of 133 |
| Median home value | 41st of 133 |
| Median gross rent | 68th of 133 |
| Poverty rate | 69th of 133 |
| Bachelor's degree or higher | 41st of 133 |
| Median age | 1st of 133 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Northumberland County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.