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World Population Review
Knox County, Tennessee Population 2021
Knox County, Tennessee's estimated population is 478,423 with a growth rate of 0.85% in the past year according to the most recent United States census data. Knox County, Tennessee is the 4th largest county in Tennessee. The 2010 Population was 432,938 and has seen a growth of 10.51% since this time.
Note: 2020 and 2021 data is projected
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 478,423 | 4,055 | 0.85% |
| 2020 | 474,368 | 4,055 | 0.86% |
| 2019 | 470,313 | 4,055 | 0.87% |
| 2018 | 466,258 | 4,693 | 1.02% |
| 2017 | 461,565 | 5,476 | 1.20% |
| 2016 | 456,089 | 4,792 | 1.06% |
| 2015 | 451,297 | 3,394 | 0.76% |
| 2014 | 447,903 | 3,589 | 0.81% |
| 2013 | 444,314 | 3,523 | 0.80% |
| 2012 | 440,791 | 4,015 | 0.92% |
| 2011 | 436,776 | 3,838 | 0.89% |
| 2010 | 432,938 | 97,189 | 28.95% |
| 1990 | 335,749 | 16,055 | 5.02% |
| 1980 | 319,694 | 43,401 | 15.71% |
| 1970 | 276,293 | 25,770 | 10.29% |
| 1960 | 250,523 | 27,516 | 12.34% |
| 1950 | 223,007 | 44,539 | 24.96% |
| 1940 | 178,468 | 22,566 | 14.47% |
| 1930 | 155,902 | 42,976 | 38.06% |
| 1920 | 112,926 | 18,739 | 19.90% |
| 1910 | 94,187 | 19,885 | 26.76% |
| 1900 | 74,302 | 14,745 | 24.76% |
| 1890 | 59,557 | 20,433 | 52.23% |
| 1880 | 39,124 | 10,134 | 34.96% |
| 1870 | 28,990 | 6,177 | 27.08% |
| 1860 | 22,813 | 4,006 | 21.30% |
| 1850 | 18,807 | 3,322 | 21.45% |
| 1840 | 15,485 | 987 | 6.81% |
| 1830 | 14,498 | 1,464 | 11.23% |
| 1820 | 13,034 | 2,863 | 28.15% |
| 1810 | 10,171 | -2,275 | -18.28% |
| 1800 | 12,446 | 0.00% |
2021 Growth Rate
0.85%
County Website
State
Founded
June 11, 1792
County Seat
Lat./Long.
2010 Population
432,938
Growth Since 2010
10.51%
Knox County, Tennessee Population Growth
| Race | Population | Percentage |
|---|---|---|
| White | 394,105 | 85.47% |
| Black or African American | 40,147 | 8.71% |
| Two or More Races | 10,337 | 2.24% |
| Asian | 10,114 | 2.19% |
| Some Other Race | 4,890 | 1.06% |
| American Indian and Alaska Native | 1,306 | 0.28% |
| Native Hawaiian and Other Pacific Islander | 205 | 0.04% |
Knox County, Tennessee Population by Race
Knox County, Tennessee Population Pyramid $2021
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Knox County, Tennessee Population by Age
Knox County, Tennessee Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 187,319 | 2.4 | 64.3 |
| Married | 88,140 | 3.05 | 81.1 |
| Non Family | 71,284 | 1.3 | 49 |
| Female | 20,845 | 3.14 | 48.4 |
| Male | 7,050 | 3.15 | 55 |
3
Average Family Size
2.4
Average Household Size
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Knox County, Tennessee Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 8,105 | 2.63% |
| 9th to 12th Grade | 17,443 | 5.66% |
| High School Graduate | 77,939 | 25.27% |
| Some College | 63,117 | 20.47% |
| Associates Degree | 25,676 | 8.33% |
| Bachelors Degree | 69,085 | 22.40% |
| Graduate Degree | 47,001 | 15.24% |
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Knox County, Tennessee Educational Attainment by Sex (over 25)
Knox County, Tennessee Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 262,721 | 243,990 | 102,064 |
| Black | 24,070 | 21,652 | 4,944 |
| Hispanic | 9,849 | 6,623 | 2,679 |
| Asian | 6,967 | 6,417 | 4,958 |
| 2+ Races | 3,696 | 3,260 | 1,182 |
| Other Race | 2,417 | 1,580 | 528 |
| Native American | 1,053 | 783 | 160 |
| Islander | 165 | 115 | 42 |
The highest rate of high school graduation is among white people with a rate of 92.87%.
The highest rate of bachelors degrees is among asian people with a rate of 71.16%.
Knox County, Tennessee Educational Attainment by Race
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$39,362
Average Earnings
$46,371
Average Male
$32,454
Average Female
Knox County, Tennessee Earnings by Educational Attainment
Knox County, Tennessee Language by Age
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Knox County, Tennessee Language
94.16% of Knox County, Tennessee residents speak only English, while 5.84% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.75% of the population.
Knox County, Tennessee Language
Knox County, Tennessee Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 370,888 | 42,931 | 11.58% |
| Black | 38,668 | 13,499 | 34.91% |
| Hispanic | 19,422 | 5,483 | 28.23% |
| Multiple | 9,841 | 2,288 | 23.25% |
| Other | 4,856 | 1,707 | 35.15% |
| Asian | 9,809 | 1,146 | 11.68% |
| Native | 1,276 | 119 | 9.33% |
| Islander | 174 | 50 | 28.74% |
14.54%
Overall Poverty Rate
13.46%
Male Poverty Rate
15.56%
Female Poverty Rate
Poverty in Knox County, Tennessee
The race most likely to be in poverty in Knox County, Tennessee is Other, with 35.15% below the poverty level.
The race least likely to be in poverty in Knox County, Tennessee is Native, with 9.33% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 3.07%. Among those working part-time, it was 21.68%, and for those that did not work, the poverty rate was 22.91%.
Knox County, Tennessee Poverty
Knox County, Tennessee Poverty Rate by Education
Knox County, Tennessee Marital Status
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Marriage Rates
48.9%
Overall Marriage Rate
50.6%
Male Marriage Rate
47.3%
Female Marriage Rate
Knox County, Tennessee Married by Age and Sex
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Knox County, Tennessee Marriage
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
Knox County, Tennessee Marital Status by Race
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Knox County, Tennessee Marital Status
Knox County, Tennessee Veterans by War
Knox County, Tennessee Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 26,857 | 8.51% |
| Black | 2,128 | 7.15% |
| 2+ Races | 437 | 8.06% |
| Hispanic | 317 | 2.61% |
| Native American | 221 | 19.15% |
| Asian | 135 | 1.66% |
| Other Race | 13 | 0.46% |
Knox County, Tennessee Veterans by Race
Knox County, Tennessee Veterans by Education
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6.88%
Veteran Poverty Rate
26.84%
Veteran Disability Rate
Knox County, Tennessee Veterans by Education
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64.9%
Labor Force Participation
62%
Employment Rate
4.3%
Unemployment Rate
Knox County, Tennessee Employment by Age
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Knox County, Tennessee Employment by Race
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Knox County, Tennessee Employment by Education
Origin of Non-Citizens
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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
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95.07%
Native Born
4.93%
Foreign Born
2.79%
Non Citizen
2.14%
Naturalized
Place of Birth
95.07% of Knox County, Tennessee residents were born in the United States, with 59.17% having been born in Tennessee. 2.79% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Knox County, Tennessee Place of Birth
- US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
- Population of States and Counties of the United States: 1790 - 1990