Population by Age in Prince William County
*Base on 2010 Data
| Total population | 402,002 | 100.00% |
| Under 5 years | 33,223 | 8.26% |
| 5 to 9 years | 33,029 | 8.22% |
| 10 to 14 years | 31,393 | 7.81% |
| 15 to 19 years | 28,505 | 7.09% |
| 20 to 24 years | 24,028 | 5.98% |
| 25 to 29 years | 29,085 | 7.24% |
| 30 to 34 years | 30,398 | 7.56% |
| 35 to 39 years | 32,370 | 8.05% |
| 40 to 44 years | 33,097 | 8.23% |
| 45 to 49 years | 33,068 | 8.23% |
| 50 to 54 years | 28,093 | 6.99% |
| 55 to 59 years | 21,364 | 5.31% |
| 60 to 64 years | 17,129 | 4.26% |
| 65 to 69 years | 10,910 | 2.71% |
| 70 to 74 years | 6,916 | 1.72% |
| 75 to 79 years | 4,274 | 1.06% |
| 80 to 84 years | 2,737 | 0.68% |
| 85 years and over | 2,383 | 0.59% |
Male Population in Prince William County
*Base on 2010 Data
| Male population | 199,677 | 49.67% |
| Under 5 years | 16,940 | 4.21% |
| 5 to 9 years | 16,798 | 4.18% |
| 10 to 14 years | 16,159 | 4.02% |
| 15 to 19 years | 14,633 | 3.64% |
| 20 to 24 years | 12,625 | 3.14% |
| 25 to 29 years | 14,428 | 3.59% |
| 30 to 34 years | 14,764 | 3.67% |
| 35 to 39 years | 15,892 | 3.95% |
| 40 to 44 years | 16,242 | 4.04% |
| 45 to 49 years | 16,418 | 4.08% |
| 50 to 54 years | 14,020 | 3.49% |
| 55 to 59 years | 10,358 | 2.58% |
| 60 to 64 years | 8,368 | 2.08% |
| 65 to 69 years | 5,156 | 1.28% |
| 70 to 74 years | 3,198 | 0.80% |
| 75 to 79 years | 1,859 | 0.46% |
| 80 to 84 years | 1,095 | 0.27% |
| 85 years and over | 724 | 0.18% |
Female Population in Prince William County
*Base on 2010 Data
| Female population | 202,325 | 50.33% |
| Under 5 years | 16,283 | 4.05% |
| 5 to 9 years | 16,231 | 4.04% |
| 10 to 14 years | 15,234 | 3.79% |
| 15 to 19 years | 13,872 | 3.45% |
| 20 to 24 years | 11,403 | 2.84% |
| 25 to 29 years | 14,657 | 3.65% |
| 30 to 34 years | 15,634 | 3.89% |
| 35 to 39 years | 16,478 | 4.10% |
| 40 to 44 years | 16,855 | 4.19% |
| 45 to 49 years | 16,650 | 4.14% |
| 50 to 54 years | 14,073 | 3.50% |
| 55 to 59 years | 11,006 | 2.74% |
| 60 to 64 years | 8,761 | 2.18% |
| 65 to 69 years | 5,754 | 1.43% |
| 70 to 74 years | 3,718 | 0.92% |
| 75 to 79 years | 2,415 | 0.60% |
| 80 to 84 years | 1,642 | 0.41% |
| 85 years and over | 1,659 | 0.41% |
Median Age in Prince William County
*Base on 2010 Data
| Both | 33.50% | |
| Male | 32.70% | |
| Female | 34.30% |
Race in Prince William County
*Base on 2010 Data
| Total | 402,002 | 100.00% |
| Population of one race | 381,502 | 94.90% |
| White | 232,401 | 57.81% |
| Black or African American | 81,196 | 20.20% |
| American Indian and Alaska Native | 2,392 | 0.60% |
| Asian | 30,317 | 7.54% |
| Asian Indian | 5,853 | 1.46% |
| Chinese | 2,535 | 0.63% |
| Filipino | 4,915 | 1.22% |
| Japanese | 563 | 0.14% |
| Korean | 4,747 | 1.18% |
| Vietnamese | 3,189 | 0.79% |
| Other Asian | 8,515 | 2.12% |
| Native Hawaiian and Other Pacific Islander | 525 | 0.13% |
| Native Hawaiian | 125 | 0.03% |
| Guamanian or Chamorro | 239 | 0.06% |
| Samoan | 68 | 0.02% |
| Other Pacific Islander | 93 | 0.02% |
| Some Other Race | 34,671 | 8.62% |
| Population of Two or More Races | 20,500 | 5.10% |
| White; American Indian and Alaska Native | 1,587 | 0.39% |
| White; Asian | 4,865 | 1.21% |
| White; Black or African American | 4,992 | 1.24% |
| White; Some Other Race | 3,615 | 0.90% |
The Population 16 Years in Prince William County
*Base on 2010 Data
| Total | 298,175 | 100.00% |
| Male | 146,604 | 49.17% |
| Female | 151,571 | 50.83% |
The Population 18 Years in Prince William County
*Base on 2010 Data
| Total | 285,827 | 100.00% |
| Male | 140,398 | 49.12% |
| Female | 145,429 | 50.88% |
The Population 21 Years in Prince William County
*Base on 2010 Data
| Total | 271,432 | 100.00% |
| Male | 132,778 | 48.92% |
| Female | 138,654 | 51.08% |
The Population 62 Years in Prince William County
*Base on 2010 Data
| Total | 36,933 | 100.00% |
| Male | 16,784 | 45.44% |
| Female | 20,149 | 54.56% |
The Population 65 Years in Prince William County
*Base on 2010 Data
| Total | 27,220 | 100.00% |
| Male | 12,032 | 44.20% |
| Female | 15,188 | 55.80% |
Race (total races tallied) in Prince William County
*Base on 2010 Data
| White alone or in combination with one or more other races | 249,232 | 58.73% |
| Black or African American alone or in combination with one or more other races | 89,647 | 21.13% |
| American Indian and Alaska Native alone or in combination with one or more other races | 6,281 | 1.48% |
| Asian alone or in combination with one or more other races | 37,297 | 8.79% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 1,365 | 0.32% |
| Some Other Race alone or in combination with one or more other races | 40,529 | 9.55% |
Hispanic or Latino by Specific Origin in Prince William County
*Base on 2010 Data
| Total | 402,002 | 100.00% |
| Hispanic or Latino (of any race) | 81,460 | 20.26% |
| Mexican | 14,908 | 3.71% |
| Puerto Rican | 7,037 | 1.75% |
| Cuban | 866 | 0.22% |
| Other Hispanic or Latino | 58,649 | 14.59% |
| Not Hispanic or Latino | 320,542 | 79.74% |
Hispanic or Latino and Race in Prince William County
*Base on 2010 Data
| Total | 402,002 | 100.00% |
| Hispanic or Latino | 81,460 | 20.26% |
| White alone | 36,745 | 9.14% |
| Black or African American alone | 2,704 | 0.67% |
| American Indian and Alaska Native alone | 1,408 | 0.35% |
| Asian alone | 331 | 0.08% |
| Native Hawaiian and Other Pacific Islander alone | 111 | 0.03% |
| Some Other Race alone | 33,444 | 8.32% |
| Two or More Races | 6,717 | 1.67% |
| Not Hispanic or Latino | 320,542 | 79.74% |
| White alone | 195,656 | 48.67% |
| Black or African American alone | 78,492 | 19.53% |
| American Indian and Alaska Native alone | 984 | 0.24% |
| Asian alone | 29,986 | 7.46% |
| Native Hawaiian and Other Pacific Islander alone | 414 | 0.10% |
| Some Other Race alone | 1,227 | 0.31% |
| Two or More Races | 13,783 | 3.43% |
Relationship in Prince William County
*Base on 2010 Data
| Total | 402,002 | 100.00% |
| In households | 399,482 | 99.37% |
| Householder | 130,785 | 32.53% |
| Spouse | 78,037 | 19.41% |
| Child | 134,746 | 33.52% |
| Own child under 18 years | 103,118 | 25.65% |
| Other relatives | 32,415 | 8.06% |
| Under 18 years | 10,544 | 2.62% |
| 65 years and over | 4,531 | 1.13% |
| Nonrelatives | 23,499 | 5.85% |
| Under 18 years | 2,324 | 0.58% |
| 65 years and over | 469 | 0.12% |
| Unmarried partner | 7,326 | 1.82% |
| In group quarters | 2,520 | 0.63% |
| Institutionalized population | 1,511 | 0.38% |
| Male | 1,001 | 0.25% |
| Female | 510 | 0.13% |
| Noninstitutionalized population | 1,009 | 0.25% |
| Male | 827 | 0.21% |
| Female | 182 | 0.05% |
Households by Type in Prince William County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 130,785 | 100.00% |
| Family households (families) | 100,598 | 76.92% |
| With own children under 18 years | 54,492 | 41.67% |
| Husband-wife family | 78,037 | 59.67% |
| With own children under 18 years | 41,816 | 31.97% |
| Male householder, no wife present | 6,782 | 5.19% |
| With own children under 18 years | 3,329 | 2.55% |
| Female householder, no husband present | 15,779 | 12.06% |
| With own children under 18 years | 9,347 | 7.15% |
| Nonfamily households | 30,187 | 23.08% |
| Householder living alone | 23,144 | 17.70% |
| Male | 10,546 | 8.06% |
| 65 years and over | 1,437 | 1.10% |
| Female | 12,598 | 9.63% |
| 65 years and over | 3,717 | 2.84% |
Households with individuals under 18 years in Prince William County
*Base on 2010 Data
| Total | 59,817 | 45.74% |
Households with individuals under 65 years in Prince William County
*Base on 2010 Data
| Total | 20,031 | 15.32% |
Average Household Size in Prince William County
*Base on 2010 Data
| Average household size | 3 | % |
Average Family Size in Prince William County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Prince William County
*Base on 2010 Data
| Total | 137,115 | 100.00% |
| Occupied housing units | 130,785 | 95.38% |
| Vacant housing units | 6,330 | 4.62% |
| For rent | 2,102 | 1.53% |
| Rented, not occupied | 151 | 0.11% |
| For sale only | 1,526 | 1.11% |
| Sold, not occupied | 274 | 0.20% |
| For seasonal, recreational, or occasional use | 391 | 0.29% |
| All other vacants | 1,886 | 1.38% |
Homeowner Vacancy Rate in Prince William County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 1.60% |
Rental Vacancy Rate in Prince William County
*Base on 2010 Data
| Rental vacancy rate (percent) | 5.60% |
Housing Tenure(Occupied housing units) in Prince William County
*Base on 2010 Data
| Total | 130,785 | 100.00% |
| Owner-occupied housing units | 95,753 | 73.21% |
| Renter-occupied housing units | 35,032 | 26.79% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Prince William County
*Base on 2010 Data
| Owner-occupied housing units | 293,484 | 73.47% |
| Renter-occupied housing units | 105,998 | 26.53% |
Average Household Size of Occupied Housing Units by Tenure in Prince William County
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 3 | % |