Population by Age in Knox County
*Base on 2010 Data
| Total population | 432,226 | 100.00% |
| Under 5 years | 26,168 | 6.05% |
| 5 to 9 years | 26,592 | 6.15% |
| 10 to 14 years | 26,089 | 6.04% |
| 15 to 19 years | 29,284 | 6.78% |
| 20 to 24 years | 36,532 | 8.45% |
| 25 to 29 years | 31,070 | 7.19% |
| 30 to 34 years | 28,257 | 6.54% |
| 35 to 39 years | 28,649 | 6.63% |
| 40 to 44 years | 28,736 | 6.65% |
| 45 to 49 years | 31,290 | 7.24% |
| 50 to 54 years | 30,830 | 7.13% |
| 55 to 59 years | 27,995 | 6.48% |
| 60 to 64 years | 24,243 | 5.61% |
| 65 to 69 years | 17,634 | 4.08% |
| 70 to 74 years | 13,096 | 3.03% |
| 75 to 79 years | 10,284 | 2.38% |
| 80 to 84 years | 8,134 | 1.88% |
| 85 years and over | 7,343 | 1.70% |
Male Population in Knox County
*Base on 2010 Data
| Male population | 210,085 | 48.61% |
| Under 5 years | 13,352 | 3.09% |
| 5 to 9 years | 13,634 | 3.15% |
| 10 to 14 years | 13,495 | 3.12% |
| 15 to 19 years | 14,852 | 3.44% |
| 20 to 24 years | 18,199 | 4.21% |
| 25 to 29 years | 15,259 | 3.53% |
| 30 to 34 years | 14,099 | 3.26% |
| 35 to 39 years | 14,173 | 3.28% |
| 40 to 44 years | 14,290 | 3.31% |
| 45 to 49 years | 15,293 | 3.54% |
| 50 to 54 years | 15,052 | 3.48% |
| 55 to 59 years | 13,361 | 3.09% |
| 60 to 64 years | 11,536 | 2.67% |
| 65 to 69 years | 8,124 | 1.88% |
| 70 to 74 years | 5,826 | 1.35% |
| 75 to 79 years | 4,238 | 0.98% |
| 80 to 84 years | 3,055 | 0.71% |
| 85 years and over | 2,247 | 0.52% |
Female Population in Knox County
*Base on 2010 Data
| Female population | 222,141 | 51.39% |
| Under 5 years | 12,816 | 2.97% |
| 5 to 9 years | 12,958 | 3.00% |
| 10 to 14 years | 12,594 | 2.91% |
| 15 to 19 years | 14,432 | 3.34% |
| 20 to 24 years | 18,333 | 4.24% |
| 25 to 29 years | 15,811 | 3.66% |
| 30 to 34 years | 14,158 | 3.28% |
| 35 to 39 years | 14,476 | 3.35% |
| 40 to 44 years | 14,446 | 3.34% |
| 45 to 49 years | 15,997 | 3.70% |
| 50 to 54 years | 15,778 | 3.65% |
| 55 to 59 years | 14,634 | 3.39% |
| 60 to 64 years | 12,707 | 2.94% |
| 65 to 69 years | 9,510 | 2.20% |
| 70 to 74 years | 7,270 | 1.68% |
| 75 to 79 years | 6,046 | 1.40% |
| 80 to 84 years | 5,079 | 1.18% |
| 85 years and over | 5,096 | 1.18% |
Median Age in Knox County
*Base on 2010 Data
| Both | 37.20% | |
| Male | 35.70% | |
| Female | 38.50% |
Race in Knox County
*Base on 2010 Data
| Total | 432,226 | 100.00% |
| Population of one race | 423,976 | 98.09% |
| White | 369,794 | 85.56% |
| Black or African American | 38,045 | 8.80% |
| American Indian and Alaska Native | 1,251 | 0.29% |
| Asian | 8,095 | 1.87% |
| Asian Indian | 2,113 | 0.49% |
| Chinese | 2,067 | 0.48% |
| Filipino | 671 | 0.16% |
| Japanese | 378 | 0.09% |
| Korean | 1,025 | 0.24% |
| Vietnamese | 841 | 0.19% |
| Other Asian | 1,000 | 0.23% |
| Native Hawaiian and Other Pacific Islander | 359 | 0.08% |
| Native Hawaiian | 57 | 0.01% |
| Guamanian or Chamorro | 143 | 0.03% |
| Samoan | 38 | 0.01% |
| Other Pacific Islander | 121 | 0.03% |
| Some Other Race | 6,432 | 1.49% |
| Population of Two or More Races | 8,250 | 1.91% |
| White; American Indian and Alaska Native | 1,794 | 0.42% |
| White; Asian | 1,346 | 0.31% |
| White; Black or African American | 3,086 | 0.71% |
| White; Some Other Race | 693 | 0.16% |
The Population 16 Years in Knox County
*Base on 2010 Data
| Total | 348,143 | 100.00% |
| Male | 166,929 | 47.95% |
| Female | 181,214 | 52.05% |
The Population 18 Years in Knox County
*Base on 2010 Data
| Total | 337,736 | 100.00% |
| Male | 161,616 | 47.85% |
| Female | 176,120 | 52.15% |
The Population 21 Years in Knox County
*Base on 2010 Data
| Total | 316,047 | 100.00% |
| Male | 150,774 | 47.71% |
| Female | 165,273 | 52.29% |
The Population 62 Years in Knox County
*Base on 2010 Data
| Total | 70,560 | 100.00% |
| Male | 30,202 | 42.80% |
| Female | 40,358 | 57.20% |
The Population 65 Years in Knox County
*Base on 2010 Data
| Total | 56,491 | 100.00% |
| Male | 23,490 | 41.58% |
| Female | 33,001 | 58.42% |
Race (total races tallied) in Knox County
*Base on 2010 Data
| White alone or in combination with one or more other races | 377,331 | 85.55% |
| Black or African American alone or in combination with one or more other races | 42,036 | 9.53% |
| American Indian and Alaska Native alone or in combination with one or more other races | 3,724 | 0.84% |
| Asian alone or in combination with one or more other races | 9,856 | 2.23% |
| Native Hawaiian and Other Pacific Islander alone or in combination with one or more other races | 625 | 0.14% |
| Some Other Race alone or in combination with one or more other races | 7,497 | 1.70% |
Hispanic or Latino by Specific Origin in Knox County
*Base on 2010 Data
| Total | 432,226 | 100.00% |
| Hispanic or Latino (of any race) | 15,012 | 3.47% |
| Mexican | 8,847 | 2.05% |
| Puerto Rican | 1,296 | 0.30% |
| Cuban | 581 | 0.13% |
| Other Hispanic or Latino | 4,288 | 0.99% |
| Not Hispanic or Latino | 417,214 | 96.53% |
Hispanic or Latino and Race in Knox County
*Base on 2010 Data
| Total | 432,226 | 100.00% |
| Hispanic or Latino | 15,012 | 3.47% |
| White alone | 7,214 | 1.67% |
| Black or African American alone | 397 | 0.09% |
| American Indian and Alaska Native alone | 233 | 0.05% |
| Asian alone | 97 | 0.02% |
| Native Hawaiian and Other Pacific Islander alone | 82 | 0.02% |
| Some Other Race alone | 5,871 | 1.36% |
| Two or More Races | 1,118 | 0.26% |
| Not Hispanic or Latino | 417,214 | 96.53% |
| White alone | 362,580 | 83.89% |
| Black or African American alone | 37,648 | 8.71% |
| American Indian and Alaska Native alone | 1,018 | 0.24% |
| Asian alone | 7,998 | 1.85% |
| Native Hawaiian and Other Pacific Islander alone | 277 | 0.06% |
| Some Other Race alone | 561 | 0.13% |
| Two or More Races | 7,132 | 1.65% |
Relationship in Knox County
*Base on 2010 Data
| Total | 432,226 | 100.00% |
| In households | 419,878 | 97.14% |
| Householder | 177,249 | 41.01% |
| Spouse | 83,377 | 19.29% |
| Child | 110,923 | 25.66% |
| Own child under 18 years | 83,917 | 19.42% |
| Other relatives | 21,593 | 5.00% |
| Under 18 years | 8,802 | 2.04% |
| 65 years and over | 3,132 | 0.72% |
| Nonrelatives | 26,736 | 6.19% |
| Under 18 years | 1,586 | 0.37% |
| 65 years and over | 775 | 0.18% |
| Unmarried partner | 9,979 | 2.31% |
| In group quarters | 12,348 | 2.86% |
| Institutionalized population | 3,241 | 0.75% |
| Male | 1,514 | 0.35% |
| Female | 1,727 | 0.40% |
| Noninstitutionalized population | 9,107 | 2.11% |
| Male | 4,611 | 1.07% |
| Female | 4,496 | 1.04% |
Households by Type in Knox County
*Base on 2010 Data
| Subject | Number | Percent |
|---|---|---|
| Total | 177,249 | 100.00% |
| Family households (families) | 110,757 | 62.49% |
| With own children under 18 years | 47,088 | 26.57% |
| Husband-wife family | 83,377 | 47.04% |
| With own children under 18 years | 32,771 | 18.49% |
| Male householder, no wife present | 7,006 | 3.95% |
| With own children under 18 years | 3,387 | 1.91% |
| Female householder, no husband present | 20,374 | 11.49% |
| With own children under 18 years | 10,930 | 6.17% |
| Nonfamily households | 66,492 | 37.51% |
| Householder living alone | 52,557 | 29.65% |
| Male | 22,660 | 12.78% |
| 65 years and over | 4,065 | 2.29% |
| Female | 29,897 | 16.87% |
| 65 years and over | 12,142 | 6.85% |
Households with individuals under 18 years in Knox County
*Base on 2010 Data
| Total | 52,614 | 29.68% |
Households with individuals under 65 years in Knox County
*Base on 2010 Data
| Total | 40,988 | 23.12% |
Average Household Size in Knox County
*Base on 2010 Data
| Average household size | 2 | % |
Average Family Size in Knox County
*Base on 2010 Data
| Average family size | 3 | % |
Housing Occupancy(Total housing units) in Knox County
*Base on 2010 Data
| Total | 194,949 | 100.00% |
| Occupied housing units | 177,249 | 90.92% |
| Vacant housing units | 17,700 | 9.08% |
| For rent | 6,777 | 3.48% |
| Rented, not occupied | 287 | 0.15% |
| For sale only | 3,747 | 1.92% |
| Sold, not occupied | 816 | 0.42% |
| For seasonal, recreational, or occasional use | 1,048 | 0.54% |
| All other vacants | 5,025 | 2.58% |
Homeowner Vacancy Rate in Knox County
*Base on 2010 Data
| Homeowner vacancy rate (percent) | 3.10% |
Rental Vacancy Rate in Knox County
*Base on 2010 Data
| Rental vacancy rate (percent) | 10.10% |
Housing Tenure(Occupied housing units) in Knox County
*Base on 2010 Data
| Total | 177,249 | 100.00% |
| Owner-occupied housing units | 117,412 | 66.24% |
| Renter-occupied housing units | 59,837 | 33.76% |
Population in Occupied Housing Units by Tenure(Population in occupied housing units) in Knox County
*Base on 2010 Data
| Owner-occupied housing units | 290,636 | 69.22% |
| Renter-occupied housing units | 129,242 | 30.78% |
Average Household Size of Occupied Housing Units by Tenure in Knox County
*Base on 2010 Data
| Owner occupied | 2 | % |
| Renter occupied | 2 | % |