Loudoun County, Virginia Population 2021

Loudoun County, Virginia's estimated population is 429,570 with a growth rate of 1.90% in the past year according to the most recent United States census data. Loudoun County, Virginia is the 5th largest county in Virginia. The 2010 Population was 315,478 and has seen a growth of 36.16% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021429,5708,0161.90%
2020421,5548,0161.94%
2019413,5388,0161.98%
2018405,5228,4732.13%
2017397,04911,5032.98%
2016385,54611,5323.08%
2015374,01411,8083.26%
2014362,20612,2913.51%
2013349,91512,0683.57%
2012337,84711,5203.53%
2011326,32710,8493.44%
2010315,478229,349266.29%
199086,12928,70249.98%
198057,42720,27754.58%
197037,15012,60151.33%
196024,5493,40216.09%
195021,1478564.22%
194020,2914392.21%
193019,852-725-3.52%
192020,577-590-2.79%
191021,167-781-3.56%
190021,948-1,326-5.70%
189023,274-360-1.52%
188023,6342,70512.92%
187020,929-845-3.88%
186021,774-305-1.38%
185022,0791,6488.07%
184020,431-1,508-6.87%
183021,939-763-3.36%
182022,7021,3646.39%
181021,3388153.97%
180020,5231,5618.23%
179018,9620.00%
2021 Growth Rate
1.90%
County Website
Founded
1757
County Seat
2010 Population
315,478
Growth Since 2010
36.16%
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Loudoun County, Virginia Population Growth

Population by Race

Race Population Percentage
White256,66064.96%
Asian73,38118.57%
Black or African American29,9067.57%
Two or More Races20,3655.15%
Some Other Race13,2823.36%
American Indian and Alaska Native1,1230.28%
Native Hawaiian and Other Pacific Islander4170.11%
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Loudoun County, Virginia Population by Race

Loudoun County, Virginia Population Pyramid $2021

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Loudoun County, Virginia Median Age

36.2


Total

36


Male

36.5


Female

Loudoun County, Virginia Adults

There are 282,513 adults, (35,615 of whom are seniors) in Loudoun County, Virginia.

Loudoun County, Virginia Age Dependency

60

Age Dependency Ratio

14.4

Old Age Dependency Ratio

45.6

Child Dependency Ratio

Loudoun County, Virginia Sex Ratio

Female

199,365

50.46%

Male

195,769

49.54%

Loudoun County, Virginia Population by Age

Loudoun County, Virginia Renter vs Owner Occupied by Household Type

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Loudoun County, Virginia Household Types

Type Owner Renter
Married86%14%
All78%22%
Non Family62.4%37.6%
Male62.4%37.6%
Female59.8%40.2%

78.0%

Rate of Home Ownership

Loudoun County, Virginia Households and Families

Type Count Average Size Owned
All128,6373.0678
Married86,3263.5886
Non Family28,2321.3362.4
Female9,8903.3159.8
Male4,1893.3462.4

3.47

Average Family Size

3.06

Average Household Size

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Loudoun County, Virginia Households by Type

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Education Attained Count Percentage
Less Than 9th Grade7,8093.08%
9th to 12th Grade7,7103.04%
High School Graduate31,37812.37%
Some College35,81314.12%
Associates Degree15,3216.04%
Bachelors Degree90,10835.53%
Graduate Degree65,45725.81%
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Loudoun County, Virginia Educational Attainment by Sex (over 25)

Loudoun County, Virginia Educational Attainment by Race

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Race Total High School Bachelors
White147,679144,48495,866
Asian49,04445,79336,220
Hispanic30,70923,39910,007
Black19,57018,1319,807
Other Race7,8925,2051,894
2+ Races7,8287,2554,105
Native American833671338
Islander25023286

The highest rate of high school graduation is among white people with a rate of 97.84%.

The highest rate of bachelors degrees is among asian people with a rate of 73.85%.

Loudoun County, Virginia Educational Attainment by Race

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Name Average Male Female
Overall$74,898$98,321$55,160
Less Than 9th Grade$30,716$37,736$22,461
High School Graduate$39,316$43,059$31,519
Some College$52,401$66,505$38,814
Bachelors Degree$89,605$112,315$64,203
Graduate Degree$109,463$134,571$77,389

$74,898

Average Earnings

$98,321

Average Male

$55,160

Average Female

Loudoun County, Virginia Earnings by Educational Attainment

Loudoun County, Virginia Language by Age

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Loudoun County, Virginia Language

68.42% of Loudoun County, Virginia residents speak only English, while 31.58% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.86% of the population.

Loudoun County, Virginia Language

Loudoun County, Virginia Poverty by Race

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Name Total In Poverty Poverty Rate
White220,7696,2572.83%
Hispanic53,1563,3276.26%
Black29,5141,6585.62%
Other13,0331,65412.69%
Asian73,3321,5822.16%
Multiple20,1716893.42%
Native1,123908.01%
Islander417122.88%

3.39%

Overall Poverty Rate

2.61%

Male Poverty Rate

4.16%

Female Poverty Rate

Poverty in Loudoun County, Virginia

The race most likely to be in poverty in Loudoun County, Virginia is Other, with 12.69% below the poverty level.

The race least likely to be in poverty in Loudoun County, Virginia is Asian, with 2.16% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.77%. Among those working part-time, it was 5.61%, and for those that did not work, the poverty rate was 8.58%.

Loudoun County, Virginia Poverty

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Name Poverty
Less Than 9th Grade9.61%
High School5.32%
Some College3.54%
Bachelors or Greater1.66%

Loudoun County, Virginia Poverty Rate by Education

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Rate Poverty
Female Unemployed14.54%
Male Unemployed13.73%
Female Employed2.28%
Male Employed1.32%

Loudoun County, Virginia Poverty Rate by Employment Status and Sex

Loudoun County, Virginia Income by Household Type

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Name Median Mean
Households$142,299$167,684
Families$160,182$183,965
Married Families$173,456$197,042
Non Families$81,502$101,833
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Income by Household Type

Loudoun County, Virginia Marital Status

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Marriage Rates

61.7%

Overall Marriage Rate

63.8%

Male Marriage Rate

59.6%

Female Marriage Rate

Loudoun County, Virginia Married by Age and Sex

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Loudoun County, Virginia Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Loudoun County, Virginia Marital Status by Race

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Loudoun County, Virginia Marital Status

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21,956

Number of Veterans

19,172

Male Veterans

2,784

Female Veterans

War Veterans
First Gulf War9,004
Second Gulf War7,594
Vietnam4,878
Korea1,130
World War II391

Loudoun County, Virginia Veterans by War

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Age Group Veterans
35 to 548,736
55 to 644,358
65 to 743,225
75+3,012
18 to 342,625

Loudoun County, Virginia Veterans by Age

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Name Veterans % of Total
White17,5439.41%
Black2,47311.30%
Hispanic1,6544.63%
Asian8881.68%
2+ Races5896.10%
Other Race2282.47%
Native American18120.09%
Islander5416.41%

Loudoun County, Virginia Veterans by Race

Loudoun County, Virginia Veterans by Education

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2.14%

Veteran Poverty Rate

14.16%

Veteran Disability Rate

Loudoun County, Virginia Veterans by Education

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75.7%

Labor Force Participation

72.9%

Employment Rate

3.2%

Unemployment Rate

Loudoun County, Virginia Employment by Age

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Loudoun County, Virginia Employment by Race

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Loudoun County, Virginia Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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34.14%

Born in Loudoun County, Virginia

75.51%

Native Born

24.49%

Foreign Born

10.21%

Non Citizen

14.29%

Naturalized

Place of Birth

75.51% of Loudoun County, Virginia residents were born in the United States, with 34.14% having been born in Virginia. 10.21% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Loudoun County, Virginia Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources