• county
  • FIPS 51013

Arlington County, Virginia

Arlington County had 239,807 residents in the Census Vintage 2024 estimate, on 26.0 square miles of land. It ranks 8th of 133 in Virginia by population and 106th by land area.

Population
239,807
#8 of 133 in Virginia · #302 in US
Area
26.0 sq mi
#106 of 133 in Virginia · #3,114 in US
Density
9,223 / sq mi
#2 of 133 in Virginia · #11 in US
Median household income
$138,416
#4 of 133 in Virginia · #13 in US

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

Arlington County within Virginia. Pin: Richmond.

Measure from here

Tools and pages that start from Arlington County

Arlington County population, land area and income

Arlington County had 239,807 residents in the Census Vintage 2024 estimate, on 26.0 square miles of land. It ranks 8th of 133 in Virginia by population and 106th by land area. That works out to 9,223.3 people per square mile, 95.8 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in Virginia has 27,800 residents, so Arlington County is 8.6 times that size.

Its SAIPE 2023 median household income of $138,416 is in the top tenth among 3,143 counties with an estimate.

National rank among 3,144

Population

239,807

3144th1st

302nd of 3,144 (US)

Land area

26 sq mi

3144th1st

3114th of 3,144 (US)

Density

9,223.3 / sq mi

3144th1st

11th of 3,144 (US)

Median household income

$138,416

3143rd1st

13th of 3,143 (US)

Rank within Virginia (133)

Population

239,807

133rd1st

8th of 133 (VA)

Land area

26 sq mi

133rd1st

106th of 133 (VA)

Density

9,223.3 / sq mi

133rd1st

2nd of 133 (VA)

Median household income

$138,416

133rd1st

4th of 133 (VA)

How Arlington County's population changed since 2020

Arlington County gained 978 residents between the July 2020 and July 2024 estimates, a rise of 0.4%. That ranks 77th 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, Arlington County recorded 10,576 births and 4,648 deaths, a natural change of +5,928. Net international migration added +10,040 and net domestic migration, people moving to or from other US counties, came to -14,596. The largest single component was domestic migration, which removed 14,596 people.

238.8k2020233.5k2021234.0k2022235.2k2023239.8k2024
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
10,576
Deaths
4,648
Net international migration
+10,040
Net domestic migration
-14,596
Change, July 2023 to July 2024
+4,626

Where Arlington County is

The Census internal point of Arlington County is at 38.878300, -77.100700. 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 Arlington 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: Arlington County internal point. Dark pin: Richmond.

Internal point

Decimal
38.878300, -77.100700
DMS
38°52'41.88"N 77°06'2.52"W
UTM
18N 317776.8E 4305368.8N
Geohash
dqcjjt8fx
Plus code
87C4VVHX+8P

Towns in Arlington County

No incorporated place of 1,000 or more people has residents in Arlington County. Its 239,807 residents live in smaller towns, census-designated places, or unincorporated land, which the subcounty estimates do not list at this size.

Counties bordering Arlington County

The Census 2024 county adjacency file lists 5 neighbors for Arlington County, including 2 across a state line. The most populous is Fairfax County, VA, with 1,160,925 residents. Distances run between Census internal points in a straight line.

Distance to Richmond and the nearest big city

Richmond is 94.3 miles S of Arlington County's internal point in a straight line. The nearest place of 100,000 or more is Alexandria, VA (population 159,102), 4.2 miles away. The nearest place of 10,000 or more is Falls Church, VA (population 15,034), 4.0 miles away.

Arlington County FIPS code

The FIPS code of Arlington County is 51013: state code 51 for Virginia plus county code 013. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $138,416.

Questions people ask

What is the population of Arlington County, Virginia?

The Census Vintage 2024 estimate for July 1, 2024 is 239,807. That is up 978 people (0.4%) from the July 2020 estimate of 238,829.

What is the FIPS code of Arlington County?

51013. The first two digits (51) are Virginia; the last three (013) identify the county.

What is the largest town in Arlington County?

No incorporated place of 1,000 or more people has residents in Arlington County. Its people live in smaller towns, census-designated places or unincorporated land.

Which counties border Arlington County?

5 county-equivalents border it in the Census 2024 adjacency file: Fairfax County, VA; Montgomery County, MD; District of Columbia, DC; Alexandria city, VA; Falls Church city, 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.