Population by Age in Fairfax County
*Base on 2010 Data
| Total population | 1,081,726 | 100.00% |
| Under 5 years | 72,960 | 6.74% |
| 5 to 9 years | 72,670 | 6.72% |
| 10 to 14 years | 72,332 | 6.69% |
| 15 to 19 years | 67,443 | 6.23% |
| 20 to 24 years | 60,139 | 5.56% |
| 25 to 29 years | 79,896 | 7.39% |
| 30 to 34 years | 78,746 | 7.28% |
| 35 to 39 years | 80,812 | 7.47% |
| 40 to 44 years | 84,178 | 7.78% |
| 45 to 49 years | 89,341 | 8.26% |
| 50 to 54 years | 85,426 | 7.90% |
| 55 to 59 years | 71,905 | 6.65% |
| 60 to 64 years | 59,588 | 5.51% |
| 65 to 69 years | 38,239 | 3.53% |
| 70 to 74 years | 24,728 | 2.29% |
| 75 to 79 years | 17,597 | 1.63% |
| 80 to 84 years | 12,892 | 1.19% |
| 85 years and over | 12,834 | 1.19% |
Male Population in Fairfax County
*Base on 2010 Data
| Male population | 534,310 | 49.39% |
| Under 5 years | 37,393 | 3.46% |
| 5 to 9 years | 36,991 | 3.42% |
| 10 to 14 years | 37,197 | 3.44% |
| 15 to 19 years | 35,318 | 3.26% |
| 20 to 24 years | 30,984 | 2.86% |
| 25 to 29 years | 39,909 | 3.69% |
| 30 to 34 years | 38,930 | 3.60% |
| 35 to 39 years | 39,943 | 3.69% |
| 40 to 44 years | 40,990 | 3.79% |
| 45 to 49 years | 43,560 | 4.03% |
| 50 to 54 years | 41,477 | 3.83% |
| 55 to 59 years | 34,453 | 3.19% |
| 60 to 64 years | 29,114 | 2.69% |
| 65 to 69 years | 18,644 | 1.72% |
| 70 to 74 years | 11,775 | 1.09% |
| 75 to 79 years | 8,014 | 0.74% |
| 80 to 84 years | 5,160 | 0.48% |
| 85 years and over | 4,458 | 0.41% |
Female Population in Fairfax County
*Base on 2010 Data
| Female population | 547,416 | 50.61% |
| Under 5 years | 35,567 | 3.29% |
| 5 to 9 years | 35,679 | 3.30% |
| 10 to 14 years | 35,135 | 3.25% |
| 15 to 19 years | 32,125 | 2.97% |
| 20 to 24 years | 29,155 | 2.70% |
| 25 to 29 years | 39,987 | 3.70% |
| 30 to 34 years | 39,816 | 3.68% |
| 35 to 39 years | 40,869 | 3.78% |
| 40 to 44 years | 43,188 | 3.99% |
| 45 to 49 years | 45,781 | 4.23% |
| 50 to 54 years | 43,949 | 4.06% |
| 55 to 59 years | 37,452 | 3.46% |
| 60 to 64 years | 30,474 | 2.82% |
| 65 to 69 years | 19,595 | 1.81% |
| 70 to 74 years | 12,953 | 1.20% |
| 75 to 79 years | 9,583 | 0.89% |
| 80 to 84 years | 7,732 | 0.71% |
| 85 years and over | 8,376 | 0.77% |
Median Age in Fairfax County
*Base on 2010 Data
| Both | 37.30% | |
| Male | 36.30% | |
| Female | 38.30% |
Race in Fairfax County
*Base on 2010 Data
| Total | 1,081,726 | 100.00% |
| Population of one race | 1,037,811 | 95.94% |
| White | 677,990 | 62.68% |
| Black or African American | 99,218 | 9.17% |
| American Indian and Alaska Native | 3,884 | 0.36% |
| Asian | 189,661 | 17.53% |
| Asian Indian | 43,956 | 4.06% |
| Chinese | 26,197 | 2.42% |
| Filipino | 15,431 | 1.43% |
| Japanese | 2,909 | 0.27% |
| Korean | 41,356 | 3.82% |
| Vietnamese | 28,770 | 2.66% |
| Other Asian | 31,042 | 2.87% |
| Native Hawaiian and Other Pacific Islander | 864 | 0.08% |
| Native Hawaiian | 204 | 0.02% |
| Guamanian or Chamorro | 305 | 0.03% |
| Samoan | 93 | 0.01% |
| Other Pacific Islander | 262 | 0.02% |
| Some Other Race | 66,194 | 6.12% |
| Population of Two or More Races | 43,915 | 4.06% |
| White; American Indian and Alaska Native | 2,801 | 0.26% |
| White; Asian | 18,063 | 1.67% |
| White; Black or African American | 6,097 | 0.56% |
| White; Some Other Race | 7,622 | 0.70% |
The Population 16 Years in Fairfax County
*Base on 2010 Data
| Total | 849,022 | 100.00% |
| Male | 415,102 | 48.89% |
| Female | 433,920 | 51.11% |
The Population 18 Years in Fairfax County
*Base on 2010 Data
| Total | 819,078 | 100.00% |
| Male | 399,444 | 48.77% |
| Female | 419,634 | 51.23% |
The Population 21 Years in Fairfax County
*Base on 2010 Data
| Total | 786,435 | 100.00% |
| Male | 382,168 | 48.59% |
| Female | 404,267 | 51.41% |
The Population 62 Years in Fairfax County
*Base on 2010 Data
| Total | 140,283 | 100.00% |
| Male | 64,856 | 46.23% |
| Female | 75,427 | 53.77% |
The Population 65 Years in Fairfax County
*Base on 2010 Data
| Total | 106,290 | 100.00% |
| Male | 48,051 | 45.21% |
| Female | 58,239 | 54.79% |
Race (total races tallied) in Fairfax County
*Base on 2010 Data
| White alone or in combination with one or more other races | 715,447 | 63.39% |
| Black or African American alone or in combination with one or more other races | 109,843 | 9.73% |
| American Indian and Alaska Native alone or in combination with one or more other races | 9,903 | 0.88% |
| Asian alone or in combination with one or more other races | 212,647 | 18.84% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 2,599 | 0.23% |
| Some Other Race alone or in combination with one or more other races | 78,134 | 6.92% |
Hispanic or Latino by Specific Origin in Fairfax County
*Base on 2010 Data
| Total | 1,081,726 | 100.00% |
| Hispanic or Latino (of any race) | 168,482 | 15.58% |
| Mexican | 18,823 | 1.74% |
| Puerto Rican | 9,043 | 0.84% |
| Cuban | 3,092 | 0.29% |
| Other Hispanic or Latino | 137,524 | 12.71% |
| Not Hispanic or Latino | 913,244 | 84.42% |
Hispanic or Latino and Race in Fairfax County
*Base on 2010 Data
| Total | 1,081,726 | 100.00% |
| Hispanic or Latino | 168,482 | 15.58% |
| White alone | 87,368 | 8.08% |
| Black or African American alone | 3,140 | 0.29% |
| American Indian and Alaska Native alone | 2,041 | 0.19% |
| Asian alone | 924 | 0.09% |
| Native Hawaiian and Other Pacific Islander alone | 85 | 0.01% |
| Some Other Race alone | 62,835 | 5.81% |
| Two or More Races | 12,089 | 1.12% |
| Not Hispanic or Latino | 913,244 | 84.42% |
| White alone | 590,622 | 54.60% |
| Black or African American alone | 96,078 | 8.88% |
| American Indian and Alaska Native alone | 1,843 | 0.17% |
| Asian alone | 188,737 | 17.45% |
| Native Hawaiian and Other Pacific Islander alone | 779 | 0.07% |
| Some Other Race alone | 3,359 | 0.31% |
| Two or More Races | 31,826 | 2.94% |
Relationship in Fairfax County
*Base on 2010 Data
| Total | 1,081,726 | 100.00% |
| In households | 1,072,436 | 99.14% |
| Householder | 391,627 | 36.20% |
| Spouse | 224,696 | 20.77% |
| Child | 318,042 | 29.40% |
| Own child under 18 years | 241,342 | 22.31% |
| Other relatives | 70,751 | 6.54% |
| Under 18 years | 17,184 | 1.59% |
| 65 years and over | 13,265 | 1.23% |
| Nonrelatives | 67,320 | 6.22% |
| Under 18 years | 3,806 | 0.35% |
| 65 years and over | 1,969 | 0.18% |
| Unmarried partner | 16,994 | 1.57% |
| In group quarters | 9,290 | 0.86% |
| Institutionalized population | 3,077 | 0.28% |
| Male | 1,697 | 0.16% |
| Female | 1,380 | 0.13% |
| Noninstitutionalized population | 6,213 | 0.57% |
| Male | 3,006 | 0.28% |
| Female | 3,207 | 0.30% |
Households by Type in Fairfax County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 391,627 | 100.00% |
| Family households (families) | 276,277 | 70.55% |
| With own children under 18 years | 134,640 | 34.38% |
| Husband-wife family | 224,696 | 57.38% |
| With own children under 18 years | 109,675 | 28.00% |
| Male householder, no wife present | 15,443 | 3.94% |
| With own children under 18 years | 6,127 | 1.56% |
| Female householder, no husband present | 36,138 | 9.23% |
| With own children under 18 years | 18,838 | 4.81% |
| Nonfamily households | 115,350 | 29.45% |
| Householder living alone | 89,050 | 22.74% |
| Male | 37,723 | 9.63% |
| 65 years and over | 6,439 | 1.64% |
| Female | 51,327 | 13.11% |
| 65 years and over | 17,449 | 4.46% |
Households with individuals under 18 years in Fairfax County
*Base on 2010 Data
| Total | 144,118 | 36.80% |
Households with individuals under 65 years in Fairfax County
*Base on 2010 Data
| Total | 78,079 | 19.94% |
Average Household Size in Fairfax County
*Base on 2010 Data
| Average household size | 3 | % |
Average Family Size in Fairfax County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Fairfax County
*Base on 2010 Data
| Total | 407,998 | 100.00% |
| Occupied housing units | 391,627 | 95.99% |
| Vacant housing units | 16,371 | 4.01% |
| For rent | 6,497 | 1.59% |
| Rented, not occupied | 503 | 0.12% |
| For sale only | 3,091 | 0.76% |
| Sold, not occupied | 852 | 0.21% |
| For seasonal, recreational, or occasional use | 2,062 | 0.51% |
| All other vacants | 3,366 | 0.83% |
Homeowner Vacancy Rate in Fairfax County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 1.10% |
Rental Vacancy Rate in Fairfax County
*Base on 2010 Data
| Rental vacancy rate (percent) | 5.10% |
Housing Tenure(Occupied housing units) in Fairfax County
*Base on 2010 Data
| Total | 391,627 | 100.00% |
| Owner-occupied housing units | 272,233 | 69.51% |
| Renter-occupied housing units | 119,394 | 30.49% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Fairfax County
*Base on 2010 Data
| Owner-occupied housing units | 752,923 | 70.21% |
| Renter-occupied housing units | 319,513 | 29.79% |
Average Household Size of Occupied Housing Units by Tenure in Fairfax County
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 3 | % |