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Population & Demographics

ZIP Code 37721 has 14,222 residents and 5,383 households (average 2.64 persons per household). The median age is 40.9 years, slightly older than the state (39.1) and slightly older than the nation (38.8). The gender split is 49.5% male and 50.5% female, which is about the same as the state male share (48.7%), making this a female-majority area. Largest groups are White (92.6%, much higher than the state average of 72.2% and well above the national average of 61.6%) and Hispanic or Latino (2.3%); Hispanic or Latino residents make up 2.3%, which is much lower than the national average (18.7%).

Explore More:Population Over Time By Age & Gender By Race By Gender Nativity & Citizenship

Source: U.S. Census 2020 Demographics & Housing Characteristics (DHC) and U.S. Census 2011-2024 American Community Survey (ACS) 5-Year Estimates.

2020 Population:	14,222Source: Census DHC
2024 ACS Population Estimate:	14,306Source: Census ACS
2026 ZC Population Estimate:	16,299Source: ZIP-Codes.com
Population Density:	288.6 people per sq mile
Average Income:	$64,892Source: Census ACS

Households:	5,383Source: Census DHC
Average House Value:	$233,300Source: Census ACS
Persons Per Household:	2.64Source: Census DHC
Average Family Size:	2.76Source: Census ACS

Population Over Time (with 2010 & 2020 Census Benchmarks)

Line chart of ZIP 37721 population estimates from 2011-2024, with markers for the 2010 and 2020 Decennial Census counts to show growth or decline over time. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2010	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
Census ACS Population Estimate	--	12,598	12,795	12,740	12,305	11,734	12,819	12,798	12,916	13,426	14,024	14,163	14,522	14,649	14,306
Decennial Census	12,733	--	--	--	--	--	--	--	--	--	14,222	--	--	--	--

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP05. DEMOGRAPHIC AND HOUSING ESTIMATES

Population by Age & Gender (Total, Male, Female)

Median Age: 40.9

Male Median Age: 39.7

Female Median Age: 42.6

Line chart for ZIP 37721 showing total, male, and female population by age group. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	< 5	5-9	10-14	15-19	20-24	25-29	30-34	35-39	40-44	45-49	50-54	55-59	60-64	65-69	70-74	75-79	80-84	85+
Male	392	528	531	468	393	409	409	412	449	459	459	487	497	389	327	213	131	80
Female	411	451	443	416	340	392	453	482	456	480	482	517	545	451	345	214	182	129
Total	803	979	974	884	733	801	862	894	905	939	941	1,004	1,042	840	672	427	313	209

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Pie Chart & Table Comparison Chart

Population by Race

Pie chart of the racial and ethnic makeup of ZIP 37721. Table below includes counts and percentages. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

White:	13,164	94.58%
Black:	200	1.44%
Hispanic:*	334	2.40%
Asian:	48	0.34%
American Indian:	33	0.24%
Hawaiian:	9	0.06%
Other:	131	0.94%
Total:	13,919	100%

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

* NOTE: Hispanic or Latino is an ethnicity, not a race. This means individuals who identify as Hispanic will also be included in one of the race categories (such as White or Black). As a result, the totals shown here may exceed 100% when Hispanic is displayed alongside racial groups.

Pie Chart & Table Comparison Chart

Gender Breakdown

Simple chart showing male vs female share of the population in ZIP Code 37721. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Gender	Count	%	Median Age
Males:	7,033	49.45%	39.7 years
Females:	7,189	50.55%	42.6 years
Total:	14,222	100%	40.9 years

Source: U.S. Census Bureau (2020) Demographics & Housing Characteristics (DHC)

Nativity & Citizenship

Pie chart showing nativity in ZIP 37721. Categories include native residents (born in the United States, Puerto Rico, U.S. Island Areas, or abroad to American parents) and foreign-born residents. A table below lists counts and percentages. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Native, born in the United States:	13,964	97.61%
Native, born in PR, Island Areas, or abroad:	150	1.05%
Foreign born, naturalized U.S. citizen:	145	1.01%
Foreign born, not a U.S. citizen:	47	1.34%
Total Population:	14,306	100%
Total Native Population:	14,114	98.66%
Total Foreign-born Population:	192	1.34%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Note: Nativity and Citizenship derived from American Community Survey (ACS) 5-year estimates. Total Population listed here will not match official ZIP Code population totals, which are based on the Decennial Census.

Income & Employment

In 2024, the Median household income is $64,892, which is much lower than the national median ($80,734), is up $13,361 (25.9%) since 2011 and above its 2019 pre-pandemic level by $7,910. Family households earn a median of $74,644 versus $43,417 for nonfamily households (a difference of $31,227). By gender, male median income is $49,817 and female is $47,615, which is far less than the national female median ($55,274), with a current gap of $2,202 that has narrowed from 2011 to 2024. The labor-force participation rate is 61.2%, which is modestly under the national rate (63.5%). The unemployment rate is 3.9%, which is generally lower than the national rate (5.2%). The largest occupation group is Management (33.0%).

Explore More:Income Over Time Household Income Employment Status By Occupation

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02, DP03, DP04 and DP05.

Median Income Over Time (Household, Family, Nonfamily, Male, Female)

Line chart showing median income in ZIP 37721 from 2011-2024 for five series: household, family, nonfamily, male, and female. The table below lists the yearly values. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Income Type	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
Median Household Income	$51,531	$51,444	$51,122	$53,240	$53,533	$53,590	$55,216	$55,411	$56,982	$54,332	$57,793	$60,422	$64,674	$64,892
Median Family Income	$59,735	$60,066	$60,276	$60,063	$62,930	$63,250	$64,413	$63,707	$65,510	$60,725	$65,598	$68,785	$74,868	$74,644
Median NonFamily Income	$26,200	$27,241	$28,590	$30,489	$26,181	$31,192	$31,844	$30,203	$29,288	$32,917	$30,827	$37,448	$39,394	$43,417
Median Male Income	$38,976	$39,397	$40,462	$41,664	$42,331	$41,311	$45,263	$45,033	$46,997	$46,273	$48,054	$46,392	$52,866	$49,817
Median Female Income	$31,184	$30,394	$31,179	$31,683	$31,920	$33,125	$37,232	$39,828	$38,674	$38,364	$36,943	$40,502	$43,801	$47,615

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Average Household Income

Bar chart showing average household income comparing ZIP 37721, city of Corryton, Knox County, state of Tennessee, and United States national values. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Pie Chart & Table Comparison Chart

Employment Status

Pie chart of employment status for ZIP 37721, showing the shares who are employed, unemployed, and not in the labor force. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Employed:	6,852	58.81%
Unemployed:	279	2.39%
Not In Labor Force:	4,520	38.79%
Total:	11,651	100%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Employment by Occupation (Civilian Employed Population, 16 and Over)

Donut Chart showing the distribution of employed civilians aged 16 and over by occupation category: management, service, sales and office, natural resources and construction, and production and transportation. A table with the same data and percentages is provided as well.Load Chart Manually (if needed)

Management, business, science, and arts:	2,261	33.00%
Service:	1,081	15.78%
Sales and Office:	1,554	22.68%
Natural resources, construction, and maintenance:	846	12.35%
Production, transportation, and material moving:	1,110	16.20%
Total Civilian Employed Population:	6,852	100%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS.

Housing & Affordability

In 2024, the median home value is $233,300, which is much lower than the national median ($332,700), is up $99,400 (74.23%) since 2011 and above its 2019 pre-pandemic level by $79,100. The median gross rent is $973, which is much lower than the national median ($1,413), is up $171 (21.32%) since 2011 and above its 2019 pre-pandemic level by $0. Of occupied housing, owners make up 82.31% (61.38% with a mortgage, 38.62% free-and-clear) and renters 17.69% - making this ZIP Code under national rental averages. The vacancy rate is 5.40%, which is considerably lower than the national rate (10.12%).

Explore More:Compare Home Value Home Value Over Time Rent & Over Time Housing Occupancy

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Table DP03, SELECTED ECONOMIC CHARACTERISTICS.

Median Home Value (Comparison)

Bar chart showing the median home value for ZIP 37721, compared with Corryton, Knox County, state of Tennessee, and the U.S. National Average. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Home Value Over Time

Line chart showing median home values for ZIP 37721 across years 2011-2024 using ACS 5-year estimates. The chart displays the typical dollar value of owner-occupied housing units. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
Median Home Value	$133,900	$133,800	$131,800	$136,100	$141,900	$141,800	$142,100	$152,400	$154,200	$158,600	$168,100	$195,700	$218,900	$233,300

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Gross Rent Paid

Pie chart of gross rent for renter-occupied homes in ZIP 37721, showing monthly rent brackets and the share of units in each range. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Less than $500:	102	10.36%
$500 to $999:	405	41.12%
$1,000 to $1,499:	261	26.50%
$1,500 to $1,999:	105	10.66%
$2,000 to $2,499:	44	4.47%
$2,500 to $2,999:	0	0.00%
$3,000 or more:	0	0.00%
No Rent:	68	6.90%
Total:	985	100%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Median Gross Rent Over Time

Line chart displaying median gross rent for ZIP 37721 over the years 2011-2024 using ACS 5-year estimates. The chart represents typical monthly housing costs for renter households. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
Median Rent	$802	$761	$774	$782	$783	$889	$904	$970	$973	$1,013	$938	$936	$960	$973

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP04. SELECTED HOUSING CHARACTERISTICS

Housing Occupancy

Pie chart showing housing occupancy for ZIP 37721. Categories include owner-occupied units with a mortgage, owner-occupied units free and clear, and renter-occupied units. A table below lists counts and percentages. Vacant housing units are shown separately in the Vacancy chart. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Owner Occupied (with mortgage):	2,813	50.52%
Owner Occupied (free and clear, no mortgage):	1,770	31.79%
Renter Occupied:	985	17.69%
Total Occupied Housing Units:	5,568	100%

Occupied Housing Units:	5,568	94.60%
Vacant Housing Units (not graphed):	318	5.40%
Total Housing Units:	5,886	100%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Housing Type (Single-Family, Multi-Family, Other)

Pie chart showing housing type distribution for ZIP 37721. Categories include single-family units (detached or attached), multi-family units (from 2 units up to 50 or more units), and other structures such as mobile homes or boats/RVs. A table below lists counts and percentages for each group.Load Chart Manually (if needed)

Single-Family Units:	4,795	81.46%
Multi-Family Units:	142	2.41%
Other Units:	949	16.12%
Total Housing Units:	5,886	100%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP04. SELECTED HOUSING CHARACTERISTICS

Education, Health & Community

In 2024, 17.80% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.70%). High school or higher is 89.90%, which is comparable to the national rate (89.60%). The uninsured rate is 7.90%, which is comparable to the national rate (8.40%). The share of people in poverty is 4.80%, which is far lower than the national rate (8.80%), up 1.80 percentage points since 2011 and below its 2019 pre-pandemic level by 0.90 percentage points. This points to rising hardship - a weaker consumer base, greater strain on public services, and job-market headwinds. Among residents ages 3+, the largest enrollment group is elementary (46.10%). College enrollment is 20.43%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.

Explore More:Educational Attainment Health Insurance Poverty Over Time School Enrollment

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. Using data from Tables DP02 and DP03.

Educational Attainment of Adults (25 and Older)

Pie chart of educational attainment for adults (25+) in ZIP 37721, including each level from less than 9th grade to graduate/professional. Summary rows show high school or higher and bachelor's or higher. A table lists counts and percentages.Load Chart Manually (if needed)

Less than 9th grade:	321	3.13%
9th to 12th grade, no diploma:	719	7.00%
High school graduate (includes equivalency):	4,088	39.80%
Some college, no degree:	2,464	23.99%
Associate's degree:	850	8.27%
Bachelor's degree:	1,191	11.59%
Graduate or professional degree:	639	6.22%
Total:	10,272	100%
High school or higher:	9,232	89.88%
Bachelor's degree or higher:	1,830	17.82%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

Pie Chart & Table Comparison Chart

Health Insurance Coverage by Type (Private, Public, Uninsured)

Pie chart illustrating health insurance coverage by type for ZIP Code 37721. Categories include private insurance, public coverage such as Medicare and Medicaid, and individuals with no health insurance. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Private Insurance:	9,866	60.95%
Public Insurance:	5,187	32.04%
No Insurance:	1,135	7.01%
Total:	16,188	100%
Has Health Insurance:	15,053	92.99%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP03. SELECTED ECONOMIC CHARACTERISTICS

Percentage of People in Poverty Over Time (2011-2024)

Line chart displaying the share of families and people in ZIP 37721 whose income falls below the federal poverty threshold, using ACS 5-year estimates from 2011 through 2024. The chart shows year-to-year changes in the percentage of people in poverty. Chart loads automatically and replaces this content. Load Chart Manually (if needed)

Group	2011	2102	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
% of People in Poverty	4.7%	6.4%	7.7%	8.1%	8.0%	9.1%	6.7%	6.1%	7.4%	7.9%	7.5%	8.4%	6.5%	4.8%

Source: U.S. Census 2011-2024 American Community Survey 5-Year Estimates. DP03. SELECTED ECONOMIC CHARACTERISTICS

Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.

School Enrollment by Education Level (Ages 3 and Older)

Pie Chart showing enrollment of residents ages 3 and older in Nursery School or Preschool, Kindergarten, Elementary (grades 1-8), High School (grades 9-12), and College or Graduate School. A table with the same data and percentages is provided as well.Load Chart Manually (if needed)

Nursery School, Preschool:	192	6.48%
Kindergarten:	169	5.71%
Elementary school (grades 1-8):	1,365	46.10%
High school (grades 9-12):	630	21.28%
College or graduate school:	605	20.43%
Total:	2,961	100%
Early Childhood:	361	12.19%
K-12 (Primary & Secondary School):	2,164	73.08%

Source: U.S. Census 2020-2024 American Community Survey 5-Year Estimates. Table DP02. SELECTED SOCIAL CHARACTERISTICS

City:	Corryton, Tennessee
Counties:	Knox County[Primary] Union County
Timezone:	Eastern (GMT -05:00)
Local Time:	9:02:00 PM
Population:	14,222 [See All]
Area Code:	865
Classification:	Standard [Normal Street Delivery]
Coordinates:	36.1290, -83.8119
Land Area:	49.281 sq mi
Quick Link:	https://www.zip-codes.com/zip-code/37721/zip-code-37721.asp

# Residential Mailboxes:	6,174Source: USPS
# Business Mailboxes:	98Source: USPS
Total Delivery Receptacles:	6,400Source: USPS
Single Family Delivery Units:	5,747Source: USPS
Multi Family Delivery Units:	0Source: USPS

# of Businesses:	108Source: CBP
1st Quarter Payroll:	$9,204,000Source: CBP
Annual Payroll:	$41,145,000Source: CBP
# of Employees:	1,091Source: CBP

CBSA Name:	Knoxville, TNSource: Census
CBSA Number:	28940Source: Census
CBSA Type:	MetroSource: Census
CBSA Division:	--Source: Census
CBSA Population:	698,030Source: Census
MSA:	Knoxville, TN MSASource: Census
Land Area:	49.281 sq miSource: Census
Water Area:	0.012 sq miSource: Census

Congressional District:	02Source: USPS
Congressional Land Area:	2320.68 sq miSource: Census
PMSA:	--Source: Census
Intro Date:	< 2004-10Source: ZIP-Codes.com
Place FIPS Code:	--Source: Census
Place Name:	--Source: Census

ZIP Code 37721 in Corryton, TN

Population & Demographics

Population Over Time (with 2010 & 2020 Census Benchmarks)

Population by Age & Gender (Total, Male, Female)

Population by Race

Gender Breakdown

Nativity & Citizenship

Income & Employment

Median Income Over Time (Household, Family, Nonfamily, Male, Female)

Average Household Income

Employment Status

Employment by Occupation (Civilian Employed Population, 16 and Over)

Housing & Affordability

Median Home Value (Comparison)

Median Home Value Over Time

Gross Rent Paid

Median Gross Rent Over Time

Housing Occupancy

Housing Type (Single-Family, Multi-Family, Other)

Education, Health & Community

Educational Attainment of Adults (25 and Older)

Health Insurance Coverage by Type (Private, Public, Uninsured)

Percentage of People in Poverty Over Time (2011-2024)

School Enrollment by Education Level (Ages 3 and Older)

Business & Employment Statistics

Geography, Land Area, & Statistical Classifications

Adjacent & Nearby ZIP Codes

Schools in ZIP Code 37721

Colleges & Post Secondary Schools near ZIP Code 37721

Sources & References