Fairfax, Virginia Population 2021

24,607
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Fairfax is a city located in Fairfax County and Fairfax City County Virginia. It is also the county seat of Fairfax County. With a 2020 population of 24,607, it is the 24th largest city in Virginia and the 1568th largest city in the United States . Fairfax is currently growing at a rate of 1.21% annually and its population has increased by 9.05% since the most recent census, which recorded a population of 22,565 in 2010. Fairfax reached it's highest population of in . Spanning over 6 miles, Fairfax has a population density of 3,943 people per square mile.

The average household income in Fairfax is $138,291 with a poverty rate of 9.27%. The median rental costs in recent years comes to $1,834 per month, and the median house value is $560,400. The median age in Fairfax is 38.2 years, 36.5 years for males, and 39.8 years for females.

Fairfax Demographics

According to the most recent ACS, the racial composition of Fairfaxwas:

  • White: 67.80%
  • Asian: 17.17%
  • Two or more races: 5.10%
  • Other race: 4.96%
  • Black or African American: 4.92%
  • Native American: 0.06%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Fairfax, Virginia is 24,607 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 24,019.The last official US Census in 2010 recorded the population at 22,565.

Fairfax, Virginia Population 2021

Population by Race

Race Population Percentage
White15,95567.80%
Asian4,04017.17%
Two or More Races1,2005.10%
Some Other Race1,1664.96%
Black or African American1,1574.92%
American Indian and Alaska Native130.06%
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Fairfax Population by Race

Fairfax Population Pyramid $2021

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Fairfax Median Age

38.2


Total

36.5


Male

39.8


Female

Fairfax Adults

There are 18,282 adults, (3,498 of whom are seniors) in Fairfax.

Fairfax Age Dependency

59.2

Age Dependency Ratio

23.7

Old Age Dependency Ratio

35.5

Child Dependency Ratio

Fairfax Sex Ratio

Female

12,087

51.37%

Male

11,444

48.63%

Fairfax Population by Age

Fairfax Renter vs Owner Occupied by Household Type

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Fairfax Household Types

Type Owner Renter
Female46.3%53.7%
Non Family48.6%51.4%
Male58.9%41.1%
All70%30%
Married84.7%15.3%

70.0%

Rate of Home Ownership

Fairfax Households and Families

Type Count Average Size Owned
All8,5772.6770
Married5,0383.2584.7
Non Family2,6611.5148.6
Female5812.6246.3
Male2973.2558.9

3.1

Average Family Size

2.67

Average Household Size

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Fairfax Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5063.14%
9th to 12th Grade4592.85%
High School Graduate2,16713.44%
Some College2,25613.99%
Associates Degree9325.78%
Bachelors Degree5,04731.31%
Graduate Degree4,75529.49%
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Fairfax Educational Attainment by Sex (over 25)

Fairfax Educational Attainment by Race

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Race Total High School Bachelors
White9,7009,4486,496
Asian2,8572,6701,919
Hispanic2,4051,973741
Other Race849658207
Black824810482
2+ Races408328167

The highest rate of high school graduation is among black people with a rate of 98.30%.

The highest rate of bachelors degrees is among asian people with a rate of 67.17%.

Fairfax Educational Attainment by Race

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Name Average Male Female
Overall$64,538$72,393$55,538
Less Than 9th Grade$22,292$21,892$24,191
High School Graduate$34,732$51,711$25,719
Some College$50,813$55,226$48,750
Bachelors Degree$71,626$78,825$61,379
Graduate Degree$94,041$120,380$75,287

$64,538

Average Earnings

$72,393

Average Male

$55,538

Average Female

Fairfax Earnings by Educational Attainment

Fairfax Language by Age

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Fairfax Language

66.12% of Fairfax residents speak only English, while 33.88% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 14.16% of the population.

Fairfax Language

Fairfax Poverty by Race

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Name Total In Poverty Poverty Rate
White12,7458836.93%
Hispanic3,96460715.31%
Asian4,01148011.97%
Other1,12316214.43%
Multiple1,19512310.29%
Black1,019333.24%

9.27%

Overall Poverty Rate

7.65%

Male Poverty Rate

10.82%

Female Poverty Rate

Poverty in Fairfax

The race most likely to be in poverty in Fairfax is Hispanic, with 15.31% below the poverty level.

The race least likely to be in poverty in Fairfax is Black, with 3.24% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.79%. Among those working part-time, it was 20.14%, and for those that did not work, the poverty rate was 16.57%.

Fairfax Poverty

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Name Poverty
Less Than 9th Grade14.04%
Some College8.30%
Bachelors or Greater4.45%
High School4.25%

Fairfax Poverty Rate by Education

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Rate Poverty
Male Unemployed42.46%
Female Unemployed23.19%
Female Employed7.02%
Male Employed4.83%

Fairfax Poverty Rate by Employment Status and Sex

Fairfax Income by Household Type

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Name Median Mean
Households$116,979$138,291
Families$142,000$161,321
Married Families$155,027-
Non Families$70,893$80,685
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Income by Household Type

Fairfax Marital Status

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Marriage Rates

57.1%

Overall Marriage Rate

57.9%

Male Marriage Rate

56.3%

Female Marriage Rate

Fairfax Married by Age and Sex

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Fairfax 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.

Fairfax Marital Status by Race

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Fairfax Marital Status

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1,423

Number of Veterans

1,247

Male Veterans

176

Female Veterans

War Veterans
First Gulf War524
Vietnam523
Second Gulf War332
Korea71
World War II63

Fairfax Veterans by War

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Age Group Veterans
35 to 54410
65 to 74378
55 to 64306
75+300
18 to 3429

Fairfax Veterans by Age

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Name Veterans % of Total
White1,2359.83%
Hispanic893.05%
Asian802.41%
Black717.91%
Other Race293.08%
2+ Races81.54%

Fairfax Veterans by Race

Fairfax Veterans by Education

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0.00%

Veteran Poverty Rate

9.35%

Veteran Disability Rate

Fairfax Veterans by Education

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70.5%

Labor Force Participation

67.3%

Employment Rate

4.1%

Unemployment Rate

Fairfax Employment by Age

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Fairfax Employment by Race

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Fairfax 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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30.55%

Born in Fairfax

71.06%

Native Born

28.94%

Foreign Born

13.36%

Non Citizen

15.58%

Naturalized

Place of Birth

71.06% of Fairfax residents were born in the United States, with 30.55% having been born in Virginia. 13.36% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Fairfax Place of Birth

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202124,6072941.21%
202024,3132941.22%
201924,0192941.24%
201823,7252901.24%
201723,4351890.81%
201623,246160.07%
201523,230-80-0.34%
201423,310800.34%
201323,2303361.47%
201222,8944341.93%
201122,460-154-0.68%
201022,6141,1160.51%
200021,4981,8760.92%
199019,6222320.12%
198019,390-3,337-1.58%
197022,7279,1425.28%
196013,58511,68521.74%
19501,9009006.63%
19401,0000.00%

Fairfax Population by Year