• county
  • FIPS 51133
  • Largest town: Kilmarnock

Northumberland County, Virginia

Northumberland County had 12,397 residents in the Census Vintage 2024 estimate, on 191.4 square miles of land. It ranks 107th of 133 in Virginia by population and 88th by land area.

Population
12,397
#107 of 133 in Virginia · #2,261 in US
Area
191.4 sq mi
#88 of 133 in Virginia · #3,012 in US
Density
65 / sq mi
#88 of 133 in Virginia · #1,241 in US
Median household income
$69,662
#57 of 133 in Virginia · #1,031 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Northumberland County within Virginia. Pin: Richmond.

Measure from here

Tools and pages that start from Northumberland County

Northumberland County population, land area and income

Northumberland County had 12,397 residents in the Census Vintage 2024 estimate, on 191.4 square miles of land. It ranks 107th of 133 in Virginia by population and 88th by land area. That works out to 64.8 people per square mile, below the US average of 96.3, and above the national county median.

The median county-equivalent in Virginia has 27,800 residents, so Northumberland County has 45% of the typical county's population.

Its SAIPE 2023 median household income of $69,662 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

12,397

3144th1st

2261st of 3,144 (US)

Land area

191 sq mi

3144th1st

3012th of 3,144 (US)

Density

64.8 / sq mi

3144th1st

1241st of 3,144 (US)

Median household income

$69,662

3143rd1st

1031st of 3,143 (US)

Rank within Virginia (133)

Population

12,397

133rd1st

107th of 133 (VA)

Land area

191 sq mi

133rd1st

88th of 133 (VA)

Density

64.8 / sq mi

133rd1st

88th of 133 (VA)

Median household income

$69,662

133rd1st

57th of 133 (VA)

How Northumberland County's population changed since 2020

Northumberland County gained 560 residents between the July 2020 and July 2024 estimates, a rise of 4.7%. That ranks 28th of 133 in Virginia for growth. The median Virginia county changed by +1.3%, and the state as a whole by +2.0%.

Since the April 2020 estimates base, Northumberland County recorded 346 births and 925 deaths, a natural change of -579. Net international migration added -6 and net domestic migration, people moving to or from other US counties, came to +1,135. The largest single component was domestic migration, which added 1,135 people.

11.8k202012.1k202112.3k202212.4k202312.4k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
346
Deaths
925
Net international migration
-6
Net domestic migration
+1,135
Change, July 2023 to July 2024
+9

Where Northumberland County is

The Census internal point of Northumberland County is at 37.857000, -76.379700. It sits in UTM zone 18N. The map shades Virginia's 133 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Northumberland County outlined. Dots are towns of 1,000+ people with residents in it.

Martinsville city: +2.7%Norton city: -5.5%Charlottesville city: -3.6%Winchester city: -0.7%Bristol city: -5.7%Manassas Park city: -3.2%Fluvanna County: +5.3%Clarke County: +5.3%Lunenburg County: +0.9%Colonial Heights city: +2.8%Franklin city: +2.8%Lexington city: +6.7%Petersburg city: +2.0%Suffolk city: +8.8%Emporia city: -5.1%Middlesex County: +3.2%Fairfax city: +8.9%Fredericksburg city: +7.1%Floyd County: +1.2%Radford city: +7.2%Waynesboro city: +5.5%Hopewell city: -0.2%Staunton city: +2.1%Buena Vista city: -0.6%Covington city: -1.4%Poquoson city: +3.1%Madison County: +2.8%Falls Church city: +2.4%Franklin County: +2.1%Mecklenburg County: +1.8%Smyth County: -2.2%Pittsylvania County: -1.6%Frederick County: +6.7%Russell County: -1.3%Nottoway County: -0.1%Scott County: -0.9%Mathews County: +1.0%Stafford County: +7.1%Goochland County: +13.5%Henrico County: +1.1%Caroline County: +8.2%Prince George County: +1.2%Prince William County: +2.9%Cumberland County: +4.0%Essex County: +0.8%Fairfax County: +1.1%Henry County: -2.9%Carroll County: +0.3%Grayson County: -0.1%Louisa County: +11.4%James City County: +5.5%Albemarle County: +4.2%Lynchburg city: +1.7%King William County: +7.3%Charles City County: -2.7%Northumberland County: +4.7%Alexandria city: -0.0%Salem city: +2.0%Galax city: +0.3%Isle of Wight County: +5.8%Newport News city: -1.6%Tazewell County: -3.8%Amherst County: +1.1%Manassas city: +2.2%Buckingham County: +1.7%Shenandoah County: +2.7%Richmond city: +3.0%Alleghany County: -3.7%Culpeper County: +6.4%Warren County: +4.1%Northampton County: -1.7%Southampton County: -0.1%Portsmouth city: -1.5%Rockingham County: +4.6%Orange County: +7.1%Sussex County: -0.4%Bland County: -1.1%Chesapeake city: +2.1%Harrisonburg city: -1.0%Powhatan County: +6.4%Virginia Beach city: -1.1%Dinwiddie County: +2.5%Campbell County: -0.5%Gloucester County: +3.7%Greene County: +5.5%Page County: -0.0%Halifax County: -1.4%Hanover County: +4.6%Buchanan County: -8.0%Highland County: +4.8%Surry County: +0.4%Westmoreland County: +3.9%Wythe County: -0.8%Greensville County: -2.2%Roanoke city: -2.0%Loudoun County: +4.9%Spotsylvania County: +8.1%Brunswick County: -0.5%King George County: +7.4%Bedford County: +3.3%Patrick County: -1.6%Lancaster County: +1.4%Nelson County: +0.2%Montgomery County: -0.6%Amelia County: +3.4%York County: +1.7%Norfolk city: -2.8%Williamsburg city: +3.6%Bath County: -2.8%Accomack County: +0.0%Washington County: +0.4%Pulaski County: -0.7%Rockbridge County: -1.3%Roanoke County: +0.4%Wise County: -3.0%Fauquier County: +3.9%Craig County: -1.0%Charlotte County: -2.4%Richmond County: +3.3%Lee County: -1.5%Chesterfield County: +6.7%Danville city: -1.4%King and Queen County: +2.4%Prince Edward County: +1.7%Hampton city: +0.2%Appomattox County: +4.9%Botetourt County: +1.5%Arlington County: +0.4%Rappahannock County: +2.1%New Kent County: +17.7%Augusta County: +1.3%Giles County: -1.5%Dickenson County: -4.7%
Change 2020 to 2024
  1. < -1.4%
  2. < +0.3%
  3. < +2.1%
  4. < +4.7%
  5. ≥ +4.7%
no data

Orange pin: Northumberland County internal point. Dark pin: Richmond.

Internal point

Decimal
37.857000, -76.379700
DMS
37°51'25.20"N 76°22'46.92"W
UTM
18N 378628.3E 4190846.0N
Geohash
dq9xmgtvp
Plus code
8795VJ4C+R4

Towns in Northumberland County

One incorporated place of 1,000+ people has residents in Northumberland County, 73 people together, or 1% of the county. Each figure counts only the part of the town inside Northumberland County; towns marked "part" extend into another county. The largest is Kilmarnock with 73.

  1. 01Kilmarnock (part)73
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Northumberland County

The Census 2024 county adjacency file lists 6 neighbors for Northumberland County, including 2 across a state line. The most populous is St. Mary's County, MD, with 116,469 residents. Distances run between Census internal points in a straight line.

Distance to Richmond and the nearest big city

Richmond is 61.7 miles WSW of Northumberland County's internal point in a straight line. The nearest place of 100,000 or more is Newport News, VA (population 183,056), 54.5 miles away. The nearest place of 10,000 or more is Williamsburg, VA (population 16,030), 44.4 miles away.

Northumberland County FIPS code

The FIPS code of Northumberland County is 51133: state code 51 for Virginia plus county code 133. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $69,662.

Questions people ask

What is the population of Northumberland County, Virginia?

The Census Vintage 2024 estimate for July 1, 2024 is 12,397. That is up 560 people (4.7%) from the July 2020 estimate of 11,837.

What is the FIPS code of Northumberland County?

51133. The first two digits (51) are Virginia; the last three (133) identify the county.

What is the largest town in Northumberland County?

Kilmarnock, with 73 residents inside Northumberland County in 2024 (1,464 across all 2 counties it spans).

Which counties border Northumberland County?

6 county-equivalents border it in the Census 2024 adjacency file: St. Mary's County, MD; Accomack County, VA; Somerset County, MD; Westmoreland County, VA; Lancaster County, VA; Richmond County, VA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.