Knox County, TN Demographics

What is the population of Knox County?

There are 513,508 residents in Knox County, with a median age of 38. Of this, 48.96% are males and 51.04% are females. US-born citizens make up 92.98% of the resident pool in Knox County, while non-US-born citizens account for 3.51%. Additionally, 3.5% of the population is represented by non-citizens. A total of 435,562 people in Knox County currently live in the same house as they did last year.
Y-o-Y Change
Total Population 513,508 1.3%
Male Population 251,431 1.2%
Female Population 262,077 1.3%
Male Population 48.96%
Female Population 51.04%
Y-o-Y Change
Median Age 38 -2.6%
Citizen U.S. Born 477,485 0.5%
Citizen not U.S. Born 18,032 5.6%
Not Citizen 17,991 20.1%
Citizen U.S. Born 92.98%
Citizen not U.S. Born 3.51%
Not Citizen 3.5%
Y-o-Y Change
Moved from Abroad 2,213 27.9%
Moved from Same County 37,100 -9.8%
Moved from Same State 16,453 -2.9%
Moved from Different State 17,130 -0.4%
Same House as Last Year 435,562 2.5%
Moved from Abroad 0.44%
Moved from Same County 7.3%
Moved from Same State 3.24%
Moved from Different State 3.37%
Same House as Last Year 85.66%

What are the employment statistics in Knox County?

White-collar workers make up 81.6% of the working population in Knox County, while blue-collar employees account for 18.4%. There are also 44,096 entrepreneurs in Knox County (8.51% of the workforce); 356,838 workers employed in private companies (68.88%); and 74,086 people working in governmental institutions (14.3%).
Y-o-Y Change
White Collar 422,702 103.8%
Blue Collar 95,338 102.6%
White Collar 81.6%
Blue Collar 18.4%
Y-o-Y Change
Self Employees 44,096 105.9%
Private Companies 356,838 103.3%
Governmental Workers 74,086 103.7%
Not for Profit Companies 43,020 104.0%
Self Employees 8.51%
Private Companies 68.88%
Governmental Workers 14.3%
Not for Profit Companies 8.3%

How many households are there in Knox County?

There are a total of 207,486 households in Knox County, each made up of around 2 members. Family establishments represent 61.22% of these Knox County households, while non-family units account for the remaining 38.78%. Additionally, 27.72% of households have children and 72.28% of households are without children.
Y-o-Y Change
Total households 207,486 1.3%
Average People per Household 2 -19.3%
Family Households 127,032 0.8%
Non-Family Households 80,454 2.2%
Family Households 61.22%
Non-Family Households 38.78%
Y-o-Y Change
Households with Children 57,524 0.2%
Households without Children 149,962 1.8%
Households with Children 27.72%
Households without Children 72.28%

What are the median and average incomes in Knox County?

The average annual household income in Knox County is $91,814, while the median household income sits at $69,170 per year. Residents aged 25 to 44 earn $72,979, while those between 45 and 64 years old have a median wage of $85,811. In contrast, people younger than 25 and those older than 65 earn less, at $48,064 and $46,188, respectively.
Y-o-Y Change
Average Household Income $91,814 6.3%
Median Household Income $69,170 11.4%
People below Poverty Level 60,842 0.3%
People above Poverty Level 435,182 1.4%

How many homeowners and renters are there in Knox County?

There are 225,822 housing units in Knox County, and the median year in which these properties were built is 1986. Of the 207,486 occupied housing units in Knox County, 65.57% are owner-occupied, while 34.43% have renters living in them. Meanwhile, properties bought with mortgages account for 60.68% of the units, and the median value of a home with a mortgage is $249,900. In general, housing costs reach $1,026 per month in Knox County.
Y-o-Y Change
Housing Units 225,822 1.3%
Median Year Built 1986 0.1%
Built in 1939 or Earlier 14,810 -2.4%
Built between 1940 and 1949 10,766 -0.0%
Built between 1950 and 1959 18,141 -1.7%
Built between 1960 and 1969 21,641 -5.1%
Built between 1970 and 1979 32,401 1.4%
Built between 1980 and 1989 29,584 -0.2%
Built between 1990 and 1999 36,129 -1.3%
Built between 2000 and 2009 34,472 2.1%
Built between 2010 and 2019 24,019 10.0%
Built in 2020 or Later 3,859 94.6%
Y-o-Y Change
Occupied Housing Units 207,486 1.3%
Owner Occupied 136,042 1.5%
Renter Occupied 71,444 1.0%
Owner Occupied 65.57%
Renter Occupied 34.43%
Y-o-Y Change
With Mortgage 82,552 0.9%
Without Mortgage 53,490 2.5%
Median Value with Mortgage $249,900 6.5%
Median Value without Mortgage $228,150 9.7%
Median Housing Costs per Month $1,026 3.6%
With Mortgage 60.68%
Without Mortgage 39.32%

What is the level of education in Knox County?

Approximately 31.29% of the population in Knox County holds a high school degree (that's 126,956 residents), while 22.18% have attained a college certificate (90,021 locals) and 22.28% have a bachelor's degree (90,420 people).
Y-o-Y Change
No High School 10,482 7.1%
Some High School 126,956 -0.3%
Some College 90,021 -7.4%
Associate Degree 34,193 -0.5%
Bachelor's Degree 90,420 3.8%
Graduate Degree 53,704 5.1%
No High School 2.58%
Some High School 31.29%
Some College 22.18%
Associate Degree 8.43%
Bachelor's Degree 22.28%
Graduate Degree 13.23%

What is the marital status of Knox County residents?

A total of 140,183 people in Knox County have never been married (which represents 32.55% of the total population), while 210,195 of them are wedded (48.8%). Separated and divorced residents are in smaller numbers, at 5,772 (1.34%) and 50,484 (11.72%), respectively.
Y-o-Y Change
Never Married 140,183 1.7%
Married 210,195 0.6%
Separated 5,772 -7.6%
Widowed 24,062 -2.7%
Divorced 50,484 2.8%
Never Married 32.55%
Married 48.8%
Separated 1.34%
Widowed 5.59%
Divorced 11.72%

What are the most common means of transportation in Knox County?

The top three means of transportation people in Knox County use to get to work are: car, walking and bus or trolley bus. A total of 215,842 residents commute by car, 4,093 prefer going to work by walking and 1,299 by bus or trolley bus
Y-o-Y Change
Car 215,842 0.1%
Bus or TrolleyBus 1,299 -11.0%
Railroad 21 -63.8%
Ferryboat 57 -56.8%
Bicycle 335 -1.5%
Motorcycle 127 5.8%
TaxiCab 253 -14.8%
Walk 4,093 0.4%

What is the median and average household income in Knox County by zipcode?

ZipCode Population Number of Households Median Income Average Income
37849 28,872 10,800 $83,400 $101,931
37871 8,548 3,274 $73,102 $80,712
37902 2,308 1,491 $56,397 $85,155
37909 16,848 7,753 $61,365 $91,363
37912 22,009 9,903 $44,754 $60,086
37914 20,917 8,960 $55,933 $73,435
37721 14,649 5,539 $64,674 $80,654
37754 4,075 1,739 $70,475 $80,368
37764 11,507 4,363 $69,028 $76,706
37806 3,011 1,277 $56,076 $69,855

Methodology & Disclaimers

Demographic data shown in this section was gathered from the latest U.S. Census Bureau release, the 2023 American Community Survey. The information is updated yearly, as soon as new data is made available by the US Census Bureau.
No representation, guarantee or warranty is made as to the accuracy or completeness of information modified or aggregated for specific neighborhoods and/or zip codes.