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Population by Age in Middlesex County
*Base on 2010 Data
| Total population | 809,858 | 100.00% |
| Under 5 years | 50,006 | 6.17% |
| 5 to 9 years | 51,052 | 6.30% |
| 10 to 14 years | 51,542 | 6.36% |
| 15 to 19 years | 57,626 | 7.12% |
| 20 to 24 years | 58,117 | 7.18% |
| 25 to 29 years | 54,303 | 6.71% |
| 30 to 34 years | 57,274 | 7.07% |
| 35 to 39 years | 58,306 | 7.20% |
| 40 to 44 years | 59,209 | 7.31% |
| 45 to 49 years | 62,102 | 7.67% |
| 50 to 54 years | 59,822 | 7.39% |
| 55 to 59 years | 50,297 | 6.21% |
| 60 to 64 years | 40,740 | 5.03% |
| 65 to 69 years | 29,087 | 3.59% |
| 70 to 74 years | 21,645 | 2.67% |
| 75 to 79 years | 18,391 | 2.27% |
| 80 to 84 years | 15,466 | 1.91% |
| 85 years and over | 14,873 | 1.84% |
Male Population in Middlesex County
*Base on 2010 Data
| Male population | 397,485 | 49.08% |
| Under 5 years | 25,182 | 3.11% |
| 5 to 9 years | 26,183 | 3.23% |
| 10 to 14 years | 26,713 | 3.30% |
| 15 to 19 years | 29,900 | 3.69% |
| 20 to 24 years | 30,027 | 3.71% |
| 25 to 29 years | 26,516 | 3.27% |
| 30 to 34 years | 28,382 | 3.50% |
| 35 to 39 years | 29,350 | 3.62% |
| 40 to 44 years | 29,649 | 3.66% |
| 45 to 49 years | 30,648 | 3.78% |
| 50 to 54 years | 29,373 | 3.63% |
| 55 to 59 years | 24,566 | 3.03% |
| 60 to 64 years | 19,358 | 2.39% |
| 65 to 69 years | 13,511 | 1.67% |
| 70 to 74 years | 9,653 | 1.19% |
| 75 to 79 years | 7,488 | 0.92% |
| 80 to 84 years | 5,998 | 0.74% |
| 85 years and over | 4,988 | 0.62% |
Female Population in Middlesex County
*Base on 2010 Data
| Female population | 412,373 | 50.92% |
| Under 5 years | 24,824 | 3.07% |
| 5 to 9 years | 24,869 | 3.07% |
| 10 to 14 years | 24,829 | 3.07% |
| 15 to 19 years | 27,726 | 3.42% |
| 20 to 24 years | 28,090 | 3.47% |
| 25 to 29 years | 27,787 | 3.43% |
| 30 to 34 years | 28,892 | 3.57% |
| 35 to 39 years | 28,956 | 3.58% |
| 40 to 44 years | 29,560 | 3.65% |
| 45 to 49 years | 31,454 | 3.88% |
| 50 to 54 years | 30,449 | 3.76% |
| 55 to 59 years | 25,731 | 3.18% |
| 60 to 64 years | 21,382 | 2.64% |
| 65 to 69 years | 15,576 | 1.92% |
| 70 to 74 years | 11,992 | 1.48% |
| 75 to 79 years | 10,903 | 1.35% |
| 80 to 84 years | 9,468 | 1.17% |
| 85 years and over | 9,885 | 1.22% |
Median Age in Middlesex County
*Base on 2010 Data
| Both | 37.20% | |
| Male | 36.00% | |
| Female | 38.40% |
Race in Middlesex County
*Base on 2010 Data
| Total | 809,858 | 100.00% |
| Population of one race | 785,941 | 97.05% |
| White | 474,589 | 58.60% |
| Black or African American | 78,462 | 9.69% |
| American Indian and Alaska Native | 2,777 | 0.34% |
| Asian | 173,293 | 21.40% |
| Asian Indian | 104,705 | 12.93% |
| Chinese | 28,492 | 3.52% |
| Filipino | 15,435 | 1.91% |
| Japanese | 761 | 0.09% |
| Korean | 7,401 | 0.91% |
| Vietnamese | 2,849 | 0.35% |
| Other Asian | 13,650 | 1.69% |
| Native Hawaiian and Other Pacific Islander | 251 | 0.03% |
| Native Hawaiian | 40 | 0.00% |
| Guamanian or Chamorro | 39 | 0.00% |
| Samoan | 20 | 0.00% |
| Other Pacific Islander | 152 | 0.02% |
| Some Other Race | 56,569 | 6.99% |
| Population of Two or More Races | 23,917 | 2.95% |
| White; American Indian and Alaska Native | 1,073 | 0.13% |
| White; Asian | 4,068 | 0.50% |
| White; Black or African American | 4,037 | 0.50% |
| White; Some Other Race | 5,406 | 0.67% |
The Population 16 Years in Middlesex County
*Base on 2010 Data
| Total | 646,641 | 100.00% |
| Male | 313,978 | 48.56% |
| Female | 332,663 | 51.44% |
The Population 18 Years in Middlesex County
*Base on 2010 Data
| Total | 624,401 | 100.00% |
| Male | 302,537 | 48.45% |
| Female | 321,864 | 51.55% |
The Population 21 Years in Middlesex County
*Base on 2010 Data
| Total | 586,886 | 100.00% |
| Male | 282,889 | 48.20% |
| Female | 303,997 | 51.80% |
The Population 62 Years in Middlesex County
*Base on 2010 Data
| Total | 122,935 | 100.00% |
| Male | 52,750 | 42.91% |
| Female | 70,185 | 57.09% |
The Population 65 Years in Middlesex County
*Base on 2010 Data
| Total | 99,462 | 100.00% |
| Male | 41,638 | 41.86% |
| Female | 57,824 | 58.14% |
Race (total races tallied) in Middlesex County
*Base on 2010 Data
| White alone or in combination with one or more other races | 490,635 | 58.73% |
| Black or African American alone or in combination with one or more other races | 86,386 | 10.34% |
| American Indian and Alaska Native alone or in combination with one or more other races | 6,580 | 0.79% |
| Asian alone or in combination with one or more other races | 182,852 | 21.89% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 1,214 | 0.15% |
| Some Other Race alone or in combination with one or more other races | 67,802 | 8.12% |
Hispanic or Latino by Specific Origin in Middlesex County
*Base on 2010 Data
| Total | 809,858 | 100.00% |
| Hispanic or Latino (of any race) | 148,975 | 18.40% |
| Mexican | 27,776 | 3.43% |
| Puerto Rican | 43,088 | 5.32% |
| Cuban | 5,595 | 0.69% |
| Other Hispanic or Latino | 72,516 | 8.95% |
| Not Hispanic or Latino | 660,883 | 81.60% |
Hispanic or Latino and Race in Middlesex County
*Base on 2010 Data
| Total | 809,858 | 100.00% |
| Hispanic or Latino | 148,975 | 18.40% |
| White alone | 75,865 | 9.37% |
| Black or African American alone | 6,905 | 0.85% |
| American Indian and Alaska Native alone | 1,584 | 0.20% |
| Asian alone | 759 | 0.09% |
| Native Hawaiian and Other Pacific Islander alone | 95 | 0.01% |
| Some Other Race alone | 53,849 | 6.65% |
| Two or More Races | 9,918 | 1.22% |
| Not Hispanic or Latino | 660,883 | 81.60% |
| White alone | 398,724 | 49.23% |
| Black or African American alone | 71,557 | 8.84% |
| American Indian and Alaska Native alone | 1,193 | 0.15% |
| Asian alone | 172,534 | 21.30% |
| Native Hawaiian and Other Pacific Islander alone | 156 | 0.02% |
| Some Other Race alone | 2,720 | 0.34% |
| Two or More Races | 13,999 | 1.73% |
Relationship in Middlesex County
*Base on 2010 Data
| Total | 809,858 | 100.00% |
| In households | 786,023 | 97.06% |
| Householder | 281,186 | 34.72% |
| Spouse | 157,214 | 19.41% |
| Child | 245,764 | 30.35% |
| Own child under 18 years | 167,539 | 20.69% |
| Other relatives | 61,685 | 7.62% |
| Under 18 years | 15,218 | 1.88% |
| 65 years and over | 14,356 | 1.77% |
| Nonrelatives | 40,174 | 4.96% |
| Under 18 years | 2,092 | 0.26% |
| 65 years and over | 1,566 | 0.19% |
| Unmarried partner | 14,284 | 1.76% |
| In group quarters | 23,835 | 2.94% |
| Institutionalized population | 8,024 | 0.99% |
| Male | 5,408 | 0.67% |
| Female | 2,616 | 0.32% |
| Noninstitutionalized population | 15,811 | 1.95% |
| Male | 7,991 | 0.99% |
| Female | 7,820 | 0.97% |
Households by Type in Middlesex County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 281,186 | 100.00% |
| Family households (families) | 202,954 | 72.18% |
| With own children under 18 years | 96,686 | 34.39% |
| Husband-wife family | 157,214 | 55.91% |
| With own children under 18 years | 76,234 | 27.11% |
| Male householder, no wife present | 12,638 | 4.49% |
| With own children under 18 years | 4,838 | 1.72% |
| Female householder, no husband present | 33,102 | 11.77% |
| With own children under 18 years | 15,614 | 5.55% |
| Nonfamily households | 78,232 | 27.82% |
| Householder living alone | 63,150 | 22.46% |
| Male | 26,114 | 9.29% |
| 65 years and over | 6,418 | 2.28% |
| Female | 37,036 | 13.17% |
| 65 years and over | 18,520 | 6.59% |
Households with individuals under 18 years in Middlesex County
*Base on 2010 Data
| Total | 104,834 | 37.28% |
Households with individuals under 65 years in Middlesex County
*Base on 2010 Data
| Total | 72,257 | 25.70% |
Average Household Size in Middlesex County
*Base on 2010 Data
| Average household size | 3 | % |
Average Family Size in Middlesex County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Middlesex County
*Base on 2010 Data
| Total | 294,800 | 100.00% |
| Occupied housing units | 281,186 | 95.38% |
| Vacant housing units | 13,614 | 4.62% |
| For rent | 5,303 | 1.80% |
| Rented, not occupied | 281 | 0.10% |
| For sale only | 2,719 | 0.92% |
| Sold, not occupied | 601 | 0.20% |
| For seasonal, recreational, or occasional use | 1,244 | 0.42% |
| All other vacants | 3,466 | 1.18% |
Homeowner Vacancy Rate in Middlesex County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 1.40% |
Rental Vacancy Rate in Middlesex County
*Base on 2010 Data
| Rental vacancy rate (percent) | 5.30% |
Housing Tenure(Occupied housing units) in Middlesex County
*Base on 2010 Data
| Total | 281,186 | 100.00% |
| Owner-occupied housing units | 187,147 | 66.56% |
| Renter-occupied housing units | 94,039 | 33.44% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Middlesex County
*Base on 2010 Data
| Owner-occupied housing units | 540,318 | 68.74% |
| Renter-occupied housing units | 245,705 | 31.26% |
Average Household Size of Occupied Housing Units by Tenure in Middlesex County
*Base on 2010 Data
| Owner occupied | 3 | % |
| Renter occupied | 3 | % |