37665 ZIP Code — Kingsport, TN

Sullivan County, Tennessee

ZIP code 37665 is located in Kingsport, Tennessee, within Sullivan County. It covers approximately 3.03 square miles and serves a population of 5,540 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 423.

About ZIP code 37665

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $101,000. Owner-occupancy sits near the national average at 66%.

Median household income is $43,744. Poverty affects 22% of residents, above the national average. SNAP benefit usage at 20% of households reflects economic stress in the area. 36% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (28%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 26%.

Overall, ZIP code 37665 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

5,540

population

3.03

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37665 ZIP code map

Cities in ZIP code 37665

Below are the cities the US Postal Service accepts for ZIP code 37665. Using any city not on this list may result in mail delivery delays.

City	Status
Kingsport	Preferred

Nearby ZIP codes

37669 Kingsport (2.2 mi) 37660 Kingsport (4.6 mi) 37645 Mount Carmel (5.2 mi) 37664 Kingsport (6.5 mi) 24251 Gate City (9.2 mi) 37663 Kingsport (9.5 mi) 24258 Hiltons (9.6 mi) 37642 Church Hill (10.5 mi) 37617 Blountville (11.3 mi) 37656 Fall Branch (13.3 mi) 37615 Johnson City (14.7 mi) 24271 Nickelsville (15.2 mi)

Demographics updated 05/2026

Population
Total population	5,540
Population density	1,828 / sq mi
State FIPS	47
County FIPS	163

Geography
Land area	3.03 sq mi
Water area	0.00 sq mi
Latitude	36.5785
Longitude	-82.5747
Timezone	Eastern (ET)
Area code	423

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.6%	51.9%	45.7%
$50k – $100k	26.6%	29.9%	30.9%
$100k – $200k	6.7%	14.6%	18.3%
Over $200k	0.2%	3.5%	5.1%

Demographics & statistics

5,540

Population

1,828

People per sq mi

39.1

Median age

$43,744

Median household income

$23,847

Per capita income

$101,000

Median home value

$679

Median monthly rent

66.4%

Home ownership

21.8%

Poverty rate

10.5%

Unemployment

1,812

Housing units

14.8%

Bachelor's or higher

Age distribution

Male Female

201

Under 5

190

247

5–9

233

10–14

161

15–19

151

127

20–24

120

466

25–34

439

324

35–44

304

379

45–54

357

153

55–59

144

205

60–64

193

379

65–74

357

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,231	22.2%
18 and over	4,309	77.8%
65 and over	971	17.5%
Median age	39.1 years

Race & ethnicity

White 91.1%

Two or more races 2.8%

Black or African American 2.7%

Hispanic or Latino 2.3%

Other race 0.9%

Asian 0.2%

Group	Count	%
White	5,165	91.1%
Two or more races	161	2.8%
Black or African American	153	2.7%
Hispanic or Latino	129	2.3%
Other race	52	0.9%
Asian	9	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.6%	51.9%	45.7%
$50k – $100k	26.6%	29.9%	30.9%
$100k – $200k	6.7%	14.6%	18.3%
Over $200k	0.2%	3.5%	5.1%

Under $10k 4.2%

$10k–$15k 7.4%

$15k–$25k 12.1%

$25k–$35k 13.8%

$35k–$50k 22.4%

$50k–$75k 15.9%

$75k–$100k 6.9%

$100k–$150k 14.7%

$150k–$200k 1.5%

$200k+ 1.0%

Range	% of households
Under $10k	4.2%
$10k–$15k	7.4%
$15k–$25k	12.1%
$25k–$35k	13.8%
$35k–$50k	22.4%
$50k–$75k	15.9%
$75k–$100k	6.9%
$100k–$150k	14.7%
$150k–$200k	1.5%
$200k+	1.0%
Median income	$43,744

Housing

Home values

Under $50k 15.9%

$50k–$100k 33.3%

$100k–$150k 22.5%

$150k–$200k 18.3%

$200k–$300k 5.2%

$300k–$500k 4.8%

Housing overview

Metric	Value
Median home value	$101,000
Median rent / month	$679
Owner occupied	66.4%
Renter occupied	33.6%
Vacant	13.8%
Single-family detached	81.6%
Large apartment buildings	0.0%
Mobile homes	9.6%
Median rooms	5.5
Avg household size (owned)	2.58

Year built

Era	%
2020 or later	0.0%
2010–2019	2.0%
2000–2009	6.9%
1990–1999	3.8%
1980–1989	9.9%
1970–1979	4.2%
1960–1969	8.8%
1950–1959	30.2%
1940–1949	20.9%
1939 or earlier	13.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	5.7%
2 bedrooms	36.3%
3 bedrooms	37.7%
4 bedrooms	14.9%
5+ bedrooms	4.3%

Vehicles per household

Vehicles	% of households
No vehicle	4.9%
1 vehicle	33.7%
2 vehicles	34.9%
3 or more	26.6%

Heating fuel

Fuel type	%
Utility gas	2.0%
Electricity	95.7%
Propane / LP gas	0.3%
Fuel oil	0.7%
No fuel used	1.3%

Households & families

Household type	Count	%
Married-couple family	1,208	54.9%
Cohabiting couple	186	8.5%
Male householder, no spouse	363	16.5%
Female householder, no spouse	442	20.1%
Households with children under 18	663	30.2%
Households with seniors (65+)	743	33.8%
Average household size	2.52

Marital status

Status	Male	Female
Never married	31.5%	20.5%
Married	52.9%	56.7%
Separated	1.0%	2.3%
Widowed	2.1%	8.6%
Divorced	12.5%	12.0%

Education

Less than 9th grade 5.3%

Some HS, no diploma 9.1%

HS graduate 42.6%

Some college, no degree 21.9%

Associate's degree 6.2%

Bachelor's degree 13.3%

Graduate / professional 1.5%

Metric	%
HS diploma or higher	85.5%
Bachelor's or higher	14.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	90	8.1%
Kindergarten	68	6.1%
Elementary school	518	46.8%
High school	212	19.1%
College / grad school	220	19.9%

Employment

Industry of employment

Education & healthcare 24.0%

Manufacturing 13.7%

Retail trade 12.9%

Professional & management 12.3%

Construction 9.1%

Arts, food & hospitality 7.5%

Other services 6.2%

Wholesale trade 5.0%

Transportation & utilities 5.0%

Finance & real estate 3.8%

Public administration 0.6%

Occupation

Category	%
Management, business & arts	25.9%
Service	17.7%
Sales & office	22.4%
Natural resources & construction	11.6%
Production & transportation	22.4%

Employment type

Type	%
Private sector	82.9%
Government	12.2%
Self-employed	4.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.7%
Carpool	9.5%
Public transit	0.0%
Walk	2.0%
Work from home	5.1%
Other means	7.7%
Avg commute (minutes)	20.0

Poverty

All people 21.8%

Under 18 years 29.8%

18 and over 19.5%

Married-couple families 8.1%

Female-led households 64.6%

Income support

Source	% of households
Social Security	36.1%
Retirement income	24.7%
Supplemental Security	11.3%
Cash public assistance	3.6%
Food stamps / SNAP	19.9%

Health indicators

Condition	%
Obesity	36.7%
High blood pressure	42.4%
High cholesterol	41.3%
Diabetes	14.7%
Heart disease	9.1%
Stroke	4.5%
Asthma	11.8%
Arthritis	34.8%
Kidney disease	3.8%
Pulmonary disease	12.2%
Cancer	7.6%

Behavior / access	%
Smoking	28.2%
Binge drinking	13.3%
No physical activity	30.9%
Less than 7 hrs sleep	38.7%
Depression	28.5%
Fair or poor health	22.1%
Poor mental health	18.7%
Poor physical health	15.0%
No health insurance	20.1%
Visited doctor (checkup)	75.7%
Visited dentist	48.1%
Cholesterol screening	88.3%
Teeth loss	26.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	418	9.7%

Disability	%
Any disability	25.9%
Under 18	8.0%
18–64 years	25.2%
65 and over	51.3%

Health insurance coverage

Type	%
Private insurance	51.8%
Public insurance	46.4%
No insurance	13.3%
Uninsured under 19	2.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,149	92.9%
Spanish	13	0.3%
Other Indo-European	13	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,445	98.3%
Born in same state	5,445	98.3%
Born in different state	3,740	67.5%
Foreign born	0	0.0%
Naturalized citizen	95	1.7%
Not a US citizen	29	30.5%

Ancestry

Ancestry	Count	%
Arab	1,228	22.2%
Italian	927	16.7%
French	849	15.3%

Ancestry	Count	%
English	43	0.8%
Irish	15	0.3%
Polish	4	0.1%

Technology access

Metric	% of households
Computer access	39.7%
Internet access	86.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 37665

What city is ZIP code 37665 in?

ZIP code 37665 is primarily assigned to Kingsport, Tennessee.

What county is ZIP code 37665 in?

ZIP code 37665 falls within Sullivan County, Tennessee.

What is the poverty rate in ZIP code 37665?

22% of residents in ZIP code 37665 live below the poverty line, above the national average.

How educated is the population of ZIP code 37665?

15% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Does ZIP code 37665 have a large retiree population?

36% of households in ZIP code 37665 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 37665?

The median home value in ZIP code 37665 is $101,000.

What timezone is ZIP code 37665 in?

ZIP code 37665 observes the EST timezone.