Population by Age in Washington County
*Base on 2010 Data
| Total population | 529,710 | 100.00% |
| Under 5 years | 38,248 | 7.22% |
| 5 to 9 years | 38,296 | 7.23% |
| 10 to 14 years | 37,286 | 7.04% |
| 15 to 19 years | 34,173 | 6.45% |
| 20 to 24 years | 31,635 | 5.97% |
| 25 to 29 years | 41,043 | 7.75% |
| 30 to 34 years | 41,982 | 7.93% |
| 35 to 39 years | 41,652 | 7.86% |
| 40 to 44 years | 39,418 | 7.44% |
| 45 to 49 years | 38,253 | 7.22% |
| 50 to 54 years | 36,349 | 6.86% |
| 55 to 59 years | 32,238 | 6.09% |
| 60 to 64 years | 26,028 | 4.91% |
| 65 to 69 years | 17,226 | 3.25% |
| 70 to 74 years | 11,499 | 2.17% |
| 75 to 79 years | 8,694 | 1.64% |
| 80 to 84 years | 7,375 | 1.39% |
| 85 years and over | 8,315 | 1.57% |
Male Population in Washington County
*Base on 2010 Data
| Male population | 260,524 | 49.18% |
| Under 5 years | 19,574 | 3.70% |
| 5 to 9 years | 19,640 | 3.71% |
| 10 to 14 years | 19,219 | 3.63% |
| 15 to 19 years | 17,462 | 3.30% |
| 20 to 24 years | 15,711 | 2.97% |
| 25 to 29 years | 20,306 | 3.83% |
| 30 to 34 years | 20,984 | 3.96% |
| 35 to 39 years | 21,036 | 3.97% |
| 40 to 44 years | 19,953 | 3.77% |
| 45 to 49 years | 18,923 | 3.57% |
| 50 to 54 years | 17,701 | 3.34% |
| 55 to 59 years | 15,482 | 2.92% |
| 60 to 64 years | 12,162 | 2.30% |
| 65 to 69 years | 8,012 | 1.51% |
| 70 to 74 years | 5,106 | 0.96% |
| 75 to 79 years | 3,707 | 0.70% |
| 80 to 84 years | 2,892 | 0.55% |
| 85 years and over | 2,654 | 0.50% |
Female Population in Washington County
*Base on 2010 Data
| Female population | 269,186 | 50.82% |
| Under 5 years | 18,674 | 3.53% |
| 5 to 9 years | 18,656 | 3.52% |
| 10 to 14 years | 18,067 | 3.41% |
| 15 to 19 years | 16,711 | 3.15% |
| 20 to 24 years | 15,924 | 3.01% |
| 25 to 29 years | 20,737 | 3.91% |
| 30 to 34 years | 20,998 | 3.96% |
| 35 to 39 years | 20,616 | 3.89% |
| 40 to 44 years | 19,465 | 3.67% |
| 45 to 49 years | 19,330 | 3.65% |
| 50 to 54 years | 18,648 | 3.52% |
| 55 to 59 years | 16,756 | 3.16% |
| 60 to 64 years | 13,866 | 2.62% |
| 65 to 69 years | 9,214 | 1.74% |
| 70 to 74 years | 6,393 | 1.21% |
| 75 to 79 years | 4,987 | 0.94% |
| 80 to 84 years | 4,483 | 0.85% |
| 85 years and over | 5,661 | 1.07% |
Median Age in Washington County
*Base on 2010 Data
| Both | 35.30% | |
| Male | 34.40% | |
| Female | 36.20% |
Race in Washington County
*Base on 2010 Data
| Total | 529,710 | 100.00% |
| Population of one race | 507,180 | 95.75% |
| White | 405,642 | 76.58% |
| Black or African American | 9,616 | 1.82% |
| American Indian and Alaska Native | 3,937 | 0.74% |
| Asian | 45,755 | 8.64% |
| Asian Indian | 9,645 | 1.82% |
| Chinese | 8,435 | 1.59% |
| Filipino | 4,901 | 0.93% |
| Japanese | 3,294 | 0.62% |
| Korean | 5,829 | 1.10% |
| Vietnamese | 6,871 | 1.30% |
| Other Asian | 6,780 | 1.28% |
| Native Hawaiian and Other Pacific Islander | 2,433 | 0.46% |
| Native Hawaiian | 580 | 0.11% |
| Guamanian or Chamorro | 526 | 0.10% |
| Samoan | 206 | 0.04% |
| Other Pacific Islander | 1,121 | 0.21% |
| Some Other Race | 39,797 | 7.51% |
| Population of Two or More Races | 22,530 | 4.25% |
| White; American Indian and Alaska Native | 3,646 | 0.69% |
| White; Asian | 7,512 | 1.42% |
| White; Black or African American | 2,999 | 0.57% |
| White; Some Other Race | 3,220 | 0.61% |
The Population 16 Years in Washington County
*Base on 2010 Data
| Total | 408,424 | 100.00% |
| Male | 198,267 | 48.54% |
| Female | 210,157 | 51.46% |
The Population 18 Years in Washington County
*Base on 2010 Data
| Total | 393,872 | 100.00% |
| Male | 190,850 | 48.45% |
| Female | 203,022 | 51.55% |
The Population 21 Years in Washington County
*Base on 2010 Data
| Total | 376,049 | 100.00% |
| Male | 181,735 | 48.33% |
| Female | 194,314 | 51.67% |
The Population 62 Years in Washington County
*Base on 2010 Data
| Total | 67,999 | 100.00% |
| Male | 29,361 | 43.18% |
| Female | 38,638 | 56.82% |
The Population 65 Years in Washington County
*Base on 2010 Data
| Total | 53,109 | 100.00% |
| Male | 22,371 | 42.12% |
| Female | 30,738 | 57.88% |
Race (total races tallied) in Washington County
*Base on 2010 Data
| White alone or in combination with one or more other races | 425,774 | 76.79% |
| Black or African American alone or in combination with one or more other races | 14,175 | 2.56% |
| American Indian and Alaska Native alone or in combination with one or more other races | 9,118 | 1.64% |
| Asian alone or in combination with one or more other races | 56,063 | 10.11% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 4,988 | 0.90% |
| Some Other Race alone or in combination with one or more other races | 44,370 | 8.00% |
Hispanic or Latino by Specific Origin in Washington County
*Base on 2010 Data
| Total | 529,710 | 100.00% |
| Hispanic or Latino (of any race) | 83,270 | 15.72% |
| Mexican | 67,030 | 12.65% |
| Puerto Rican | 1,665 | 0.31% |
| Cuban | 692 | 0.13% |
| Other Hispanic or Latino | 13,883 | 2.62% |
| Not Hispanic or Latino | 446,440 | 84.28% |
Hispanic or Latino and Race in Washington County
*Base on 2010 Data
| Total | 529,710 | 100.00% |
| Hispanic or Latino | 83,270 | 15.72% |
| White alone | 36,189 | 6.83% |
| Black or African American alone | 755 | 0.14% |
| American Indian and Alaska Native alone | 1,378 | 0.26% |
| Asian alone | 401 | 0.08% |
| Native Hawaiian and Other Pacific Islander alone | 164 | 0.03% |
| Some Other Race alone | 38,857 | 7.34% |
| Two or More Races | 5,526 | 1.04% |
| Not Hispanic or Latino | 446,440 | 84.28% |
| White alone | 369,453 | 69.75% |
| Black or African American alone | 8,861 | 1.67% |
| American Indian and Alaska Native alone | 2,559 | 0.48% |
| Asian alone | 45,354 | 8.56% |
| Native Hawaiian and Other Pacific Islander alone | 2,269 | 0.43% |
| Some Other Race alone | 940 | 0.18% |
| Two or More Races | 17,004 | 3.21% |
Relationship in Washington County
*Base on 2010 Data
| Total | 529,710 | 100.00% |
| In households | 522,922 | 98.72% |
| Householder | 200,934 | 37.93% |
| Spouse | 104,912 | 19.81% |
| Child | 156,596 | 29.56% |
| Own child under 18 years | 124,935 | 23.59% |
| Other relatives | 26,102 | 4.93% |
| Under 18 years | 8,184 | 1.54% |
| 65 years and over | 3,993 | 0.75% |
| Nonrelatives | 34,378 | 6.49% |
| Under 18 years | 2,338 | 0.44% |
| 65 years and over | 1,341 | 0.25% |
| Unmarried partner | 14,405 | 2.72% |
| In group quarters | 6,788 | 1.28% |
| Institutionalized population | 3,615 | 0.68% |
| Male | 1,505 | 0.28% |
| Female | 2,110 | 0.40% |
| Noninstitutionalized population | 3,173 | 0.60% |
| Male | 1,262 | 0.24% |
| Female | 1,911 | 0.36% |
Households by Type in Washington County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 200,934 | 100.00% |
| Family households (families) | 134,323 | 66.85% |
| With own children under 18 years | 67,603 | 33.64% |
| Husband-wife family | 104,912 | 52.21% |
| With own children under 18 years | 50,389 | 25.08% |
| Male householder, no wife present | 9,030 | 4.49% |
| With own children under 18 years | 4,818 | 2.40% |
| Female householder, no husband present | 20,381 | 10.14% |
| With own children under 18 years | 12,396 | 6.17% |
| Nonfamily households | 66,611 | 33.15% |
| Householder living alone | 50,426 | 25.10% |
| Male | 21,726 | 10.81% |
| 65 years and over | 3,684 | 1.83% |
| Female | 28,700 | 14.28% |
| 65 years and over | 11,344 | 5.65% |
Households with individuals under 18 years in Washington County
*Base on 2010 Data
| Total | 72,311 | 35.99% |
Households with individuals under 65 years in Washington County
*Base on 2010 Data
| Total | 38,569 | 19.19% |
Average Household Size in Washington County
*Base on 2010 Data
| Average household size | 3 | % |
Average Family Size in Washington County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Washington County
*Base on 2010 Data
| Total | 212,450 | 100.00% |
| Occupied housing units | 200,934 | 94.58% |
| Vacant housing units | 11,516 | 5.42% |
| For rent | 5,402 | 2.54% |
| Rented, not occupied | 338 | 0.16% |
| For sale only | 2,552 | 1.20% |
| Sold, not occupied | 422 | 0.20% |
| For seasonal, recreational, or occasional use | 1,009 | 0.47% |
| All other vacants | 1,793 | 0.84% |
Homeowner Vacancy Rate in Washington County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 2.00% |
Rental Vacancy Rate in Washington County
*Base on 2010 Data
| Rental vacancy rate (percent) | 6.50% |
Housing Tenure(Occupied housing units) in Washington County
*Base on 2010 Data
| Total | 200,934 | 100.00% |
| Owner-occupied housing units | 123,071 | 61.25% |
| Renter-occupied housing units | 77,863 | 38.75% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Washington County
*Base on 2010 Data
| Owner-occupied housing units | 333,001 | 63.68% |
| Renter-occupied housing units | 189,921 | 36.32% |
Average Household Size of Occupied Housing Units by Tenure in Washington County
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 2 | % |