Population by Age in Jefferson County
*Base on 2010 Data
| Total population | 741,096 | 100.00% |
| Under 5 years | 48,634 | 6.56% |
| 5 to 9 years | 47,238 | 6.37% |
| 10 to 14 years | 47,444 | 6.40% |
| 15 to 19 years | 47,427 | 6.40% |
| 20 to 24 years | 48,887 | 6.60% |
| 25 to 29 years | 53,848 | 7.27% |
| 30 to 34 years | 50,435 | 6.81% |
| 35 to 39 years | 48,529 | 6.55% |
| 40 to 44 years | 47,401 | 6.40% |
| 45 to 49 years | 55,008 | 7.42% |
| 50 to 54 years | 55,749 | 7.52% |
| 55 to 59 years | 49,937 | 6.74% |
| 60 to 64 years | 41,464 | 5.59% |
| 65 to 69 years | 28,926 | 3.90% |
| 70 to 74 years | 22,136 | 2.99% |
| 75 to 79 years | 18,527 | 2.50% |
| 80 to 84 years | 15,452 | 2.09% |
| 85 years and over | 14,054 | 1.90% |
Male Population in Jefferson County
*Base on 2010 Data
| Male population | 357,699 | 48.27% |
| Under 5 years | 24,924 | 3.36% |
| 5 to 9 years | 23,966 | 3.23% |
| 10 to 14 years | 24,375 | 3.29% |
| 15 to 19 years | 24,166 | 3.26% |
| 20 to 24 years | 24,223 | 3.27% |
| 25 to 29 years | 26,447 | 3.57% |
| 30 to 34 years | 25,156 | 3.39% |
| 35 to 39 years | 24,001 | 3.24% |
| 40 to 44 years | 23,593 | 3.18% |
| 45 to 49 years | 26,861 | 3.62% |
| 50 to 54 years | 26,780 | 3.61% |
| 55 to 59 years | 23,587 | 3.18% |
| 60 to 64 years | 19,635 | 2.65% |
| 65 to 69 years | 13,102 | 1.77% |
| 70 to 74 years | 9,415 | 1.27% |
| 75 to 79 years | 7,515 | 1.01% |
| 80 to 84 years | 5,768 | 0.78% |
| 85 years and over | 4,185 | 0.56% |
Female Population in Jefferson County
*Base on 2010 Data
| Female population | 383,397 | 51.73% |
| Under 5 years | 23,710 | 3.20% |
| 5 to 9 years | 23,272 | 3.14% |
| 10 to 14 years | 23,069 | 3.11% |
| 15 to 19 years | 23,261 | 3.14% |
| 20 to 24 years | 24,664 | 3.33% |
| 25 to 29 years | 27,401 | 3.70% |
| 30 to 34 years | 25,279 | 3.41% |
| 35 to 39 years | 24,528 | 3.31% |
| 40 to 44 years | 23,808 | 3.21% |
| 45 to 49 years | 28,147 | 3.80% |
| 50 to 54 years | 28,969 | 3.91% |
| 55 to 59 years | 26,350 | 3.56% |
| 60 to 64 years | 21,829 | 2.95% |
| 65 to 69 years | 15,824 | 2.14% |
| 70 to 74 years | 12,721 | 1.72% |
| 75 to 79 years | 11,012 | 1.49% |
| 80 to 84 years | 9,684 | 1.31% |
| 85 years and over | 9,869 | 1.33% |
Median Age in Jefferson County
*Base on 2010 Data
| Both | 37.90% | |
| Male | 36.20% | |
| Female | 39.40% |
Race in Jefferson County
*Base on 2010 Data
| Total | 741,096 | 100.00% |
| Population of one race | 724,441 | 97.75% |
| White | 538,714 | 72.69% |
| Black or African American | 154,246 | 20.81% |
| American Indian and Alaska Native | 1,788 | 0.24% |
| Asian | 16,338 | 2.20% |
| Asian Indian | 4,791 | 0.65% |
| Chinese | 2,482 | 0.33% |
| Filipino | 1,598 | 0.22% |
| Japanese | 416 | 0.06% |
| Korean | 1,499 | 0.20% |
| Vietnamese | 2,870 | 0.39% |
| Other Asian | 2,682 | 0.36% |
| Native Hawaiian and Other Pacific Islander | 460 | 0.06% |
| Native Hawaiian | 135 | 0.02% |
| Guamanian or Chamorro | 107 | 0.01% |
| Samoan | 104 | 0.01% |
| Other Pacific Islander | 114 | 0.02% |
| Some Other Race | 12,895 | 1.74% |
| Population of Two or More Races | 16,655 | 2.25% |
| White; American Indian and Alaska Native | 2,131 | 0.29% |
| White; Asian | 2,251 | 0.30% |
| White; Black or African American | 7,120 | 0.96% |
| White; Some Other Race | 1,432 | 0.19% |
The Population 16 Years in Jefferson County
*Base on 2010 Data
| Total | 588,335 | 100.00% |
| Male | 279,623 | 47.53% |
| Female | 308,712 | 52.47% |
The Population 18 Years in Jefferson County
*Base on 2010 Data
| Total | 569,289 | 100.00% |
| Male | 269,857 | 47.40% |
| Female | 299,432 | 52.60% |
The Population 21 Years in Jefferson County
*Base on 2010 Data
| Total | 540,889 | 100.00% |
| Male | 255,516 | 47.24% |
| Female | 285,373 | 52.76% |
The Population 62 Years in Jefferson County
*Base on 2010 Data
| Total | 122,464 | 100.00% |
| Male | 50,999 | 41.64% |
| Female | 71,465 | 58.36% |
The Population 65 Years in Jefferson County
*Base on 2010 Data
| Total | 99,095 | 100.00% |
| Male | 39,985 | 40.35% |
| Female | 59,110 | 59.65% |
Race (total races tallied) in Jefferson County
*Base on 2010 Data
| White alone or in combination with one or more other races | 552,976 | 72.85% |
| Black or African American alone or in combination with one or more other races | 164,196 | 21.63% |
| American Indian and Alaska Native alone or in combination with one or more other races | 5,581 | 0.74% |
| Asian alone or in combination with one or more other races | 19,824 | 2.61% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 1,058 | 0.14% |
| Some Other Race alone or in combination with one or more other races | 15,474 | 2.04% |
Hispanic or Latino by Specific Origin in Jefferson County
*Base on 2010 Data
| Total | 741,096 | 100.00% |
| Hispanic or Latino (of any race) | 32,542 | 4.39% |
| Mexican | 15,540 | 2.10% |
| Puerto Rican | 2,630 | 0.35% |
| Cuban | 7,135 | 0.96% |
| Other Hispanic or Latino | 7,237 | 0.98% |
| Not Hispanic or Latino | 708,554 | 95.61% |
Hispanic or Latino and Race in Jefferson County
*Base on 2010 Data
| Total | 741,096 | 100.00% |
| Hispanic or Latino | 32,542 | 4.39% |
| White alone | 16,153 | 2.18% |
| Black or African American alone | 1,795 | 0.24% |
| American Indian and Alaska Native alone | 296 | 0.04% |
| Asian alone | 167 | 0.02% |
| Native Hawaiian and Other Pacific Islander alone | 57 | 0.01% |
| Some Other Race alone | 11,640 | 1.57% |
| Two or More Races | 2,434 | 0.33% |
| Not Hispanic or Latino | 708,554 | 95.61% |
| White alone | 522,561 | 70.51% |
| Black or African American alone | 152,451 | 20.57% |
| American Indian and Alaska Native alone | 1,492 | 0.20% |
| Asian alone | 16,171 | 2.18% |
| Native Hawaiian and Other Pacific Islander alone | 403 | 0.05% |
| Some Other Race alone | 1,255 | 0.17% |
| Two or More Races | 14,221 | 1.92% |
Relationship in Jefferson County
*Base on 2010 Data
| Total | 741,096 | 100.00% |
| In households | 726,943 | 98.09% |
| Householder | 309,175 | 41.72% |
| Spouse | 126,329 | 17.05% |
| Child | 205,111 | 27.68% |
| Own child under 18 years | 149,542 | 20.18% |
| Other relatives | 42,604 | 5.75% |
| Under 18 years | 18,101 | 2.44% |
| 65 years and over | 4,995 | 0.67% |
| Nonrelatives | 43,724 | 5.90% |
| Under 18 years | 3,076 | 0.42% |
| 65 years and over | 1,573 | 0.21% |
| Unmarried partner | 22,105 | 2.98% |
| In group quarters | 14,153 | 1.91% |
| Institutionalized population | 8,529 | 1.15% |
| Male | 4,400 | 0.59% |
| Female | 4,129 | 0.56% |
| Noninstitutionalized population | 5,624 | 0.76% |
| Male | 3,090 | 0.42% |
| Female | 2,534 | 0.34% |
Households by Type in Jefferson County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 309,175 | 100.00% |
| Family households (families) | 188,982 | 61.12% |
| With own children under 18 years | 82,197 | 26.59% |
| Husband-wife family | 126,329 | 40.86% |
| With own children under 18 years | 48,287 | 15.62% |
| Male householder, no wife present | 15,037 | 4.86% |
| With own children under 18 years | 7,246 | 2.34% |
| Female householder, no husband present | 47,616 | 15.40% |
| With own children under 18 years | 26,664 | 8.62% |
| Nonfamily households | 120,193 | 38.88% |
| Householder living alone | 98,843 | 31.97% |
| Male | 43,300 | 14.01% |
| 65 years and over | 8,266 | 2.67% |
| Female | 55,543 | 17.96% |
| 65 years and over | 22,797 | 7.37% |
Households with individuals under 18 years in Jefferson County
*Base on 2010 Data
| Total | 93,125 | 30.12% |
Households with individuals under 65 years in Jefferson County
*Base on 2010 Data
| Total | 72,676 | 23.51% |
Average Household Size in Jefferson County
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Jefferson County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Jefferson County
*Base on 2010 Data
| Total | 337,616 | 100.00% |
| Occupied housing units | 309,175 | 91.58% |
| Vacant housing units | 28,441 | 8.42% |
| For rent | 12,328 | 3.65% |
| Rented, not occupied | 513 | 0.15% |
| For sale only | 5,042 | 1.49% |
| Sold, not occupied | 961 | 0.28% |
| For seasonal, recreational, or occasional use | 1,579 | 0.47% |
| All other vacants | 8,018 | 2.37% |
Homeowner Vacancy Rate in Jefferson County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 2.50% |
Rental Vacancy Rate in Jefferson County
*Base on 2010 Data
| Rental vacancy rate (percent) | 9.70% |
Housing Tenure(Occupied housing units) in Jefferson County
*Base on 2010 Data
| Total | 309,175 | 100.00% |
| Owner-occupied housing units | 194,997 | 63.07% |
| Renter-occupied housing units | 114,178 | 36.93% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Jefferson County
*Base on 2010 Data
| Owner-occupied housing units | 474,273 | 65.24% |
| Renter-occupied housing units | 252,670 | 34.76% |
Average Household Size of Occupied Housing Units by Tenure in Jefferson County
*Base on 2010 Data
| Owner occupied | 2 | % |
| Renter occupied | 2 | % |