37663 ZIP Code — Kingsport, TN

Sullivan County, Tennessee

ZIP code 37663 is located in Kingsport, Tennessee, within Sullivan County. It covers approximately 25.75 square miles and serves a population of 13,658 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 423.

About ZIP code 37663

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $207,200. Owner-occupancy is high at 85%, well above the national average.

Median household income is $75,302. The poverty rate of 6% is below the national average. 44% 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 21 minutes is near the national average.

Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 11% of civilians, above the national average of 7%.

Overall, ZIP code 37663 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

13,658

population

25.75

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37663 ZIP code map

Cities in ZIP code 37663

Below are the cities the US Postal Service accepts for ZIP code 37663. Using any city not on this list may result in mail delivery delays.

City	Status
Kingsport	Acceptable
Kingsport	Acceptable
Kingsport	Preferred

Nearby ZIP codes

37664 Kingsport (3.1 mi) 37615 Johnson City (5.3 mi) 37660 Kingsport (5.3 mi) 37617 Blountville (7.1 mi) 37669 Kingsport (7.4 mi) 37686 Piney Flats (7.7 mi) 37665 Kingsport (9.5 mi) 37656 Fall Branch (9.9 mi) 37699 Piney Flats (10.3 mi) 37645 Mount Carmel (10.7 mi) 37604 Johnson City (11.7 mi) 37659 Jonesborough (12.2 mi)

Demographics updated 05/2026

Population
Total population	13,658
Population density	530 / sq mi
State FIPS	47
County FIPS	163

Geography
Land area	25.75 sq mi
Water area	0.97 sq mi
Latitude	36.4624
Longitude	-82.4824
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	39.2%	51.9%	45.7%
$50k – $100k	35.5%	29.9%	30.9%
$100k – $200k	20.7%	14.6%	18.3%
Over $200k	4.6%	3.5%	5.1%

Demographics & statistics

13,658

Population

530

People per sq mi

48.7

Median age

$75,302

Median household income

$39,102

Per capita income

$207,200

Median home value

$858

Median monthly rent

84.9%

Home ownership

5.5%

Poverty rate

4.9%

Unemployment

5,574

Housing units

33.1%

Bachelor's or higher

Age distribution

Male Female

273

Under 5

278

256

5–9

260

337

10–14

344

423

15–19

432

307

20–24

312

833

25–34

849

646

35–44

659

898

45–54

916

434

55–59

442

661

60–64

674

926

65–74

943

625

75–84

637

145

85+

148

← Male

Female →

Age summary

Group	Count	%
Under 18	2,248	16.5%
18 and over	11,410	83.5%
65 and over	3,424	25.1%
Median age	48.7 years

Race & ethnicity

White 92.1%

Two or more races 2.4%

Asian 2.3%

Hispanic or Latino 2.2%

Other race 0.8%

Black or African American 0.2%

Group	Count	%
White	12,856	92.1%
Two or more races	340	2.4%
Asian	318	2.3%
Hispanic or Latino	307	2.2%
Other race	110	0.8%
Black or African American	30	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.2%	51.9%	45.7%
$50k – $100k	35.5%	29.9%	30.9%
$100k – $200k	20.7%	14.6%	18.3%
Over $200k	4.6%	3.5%	5.1%

Under $10k 2.2%

$10k–$15k 2.5%

$15k–$25k 9.0%

$25k–$35k 6.9%

$35k–$50k 11.2%

$50k–$75k 17.7%

$75k–$100k 20.6%

$100k–$150k 14.0%

$150k–$200k 10.2%

$200k+ 5.6%

Range	% of households
Under $10k	2.2%
$10k–$15k	2.5%
$15k–$25k	9.0%
$25k–$35k	6.9%
$35k–$50k	11.2%
$50k–$75k	17.7%
$75k–$100k	20.6%
$100k–$150k	14.0%
$150k–$200k	10.2%
$200k+	5.6%
Median income	$75,302

Housing

Home values

Under $50k 2.1%

$50k–$100k 6.2%

$100k–$150k 13.6%

$150k–$200k 25.4%

$200k–$300k 30.4%

$300k–$500k 16.4%

$500k–$1M 5.4%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$207,200
Median rent / month	$858
Owner occupied	84.9%
Renter occupied	15.1%
Vacant	7.1%
Single-family detached	82.5%
Large apartment buildings	0.1%
Mobile homes	4.3%
Median rooms	6.4
Avg household size (owned)	2.27

Year built

Era	%
2020 or later	0.0%
2010–2019	5.1%
2000–2009	9.3%
1990–1999	17.7%
1980–1989	11.7%
1970–1979	22.5%
1960–1969	18.6%
1950–1959	11.0%
1940–1949	2.4%
1939 or earlier	1.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	1.6%
2 bedrooms	18.1%
3 bedrooms	49.7%
4 bedrooms	23.7%
5+ bedrooms	6.6%

Vehicles per household

Vehicles	% of households
No vehicle	2.1%
1 vehicle	24.5%
2 vehicles	40.0%
3 or more	33.5%

Heating fuel

Fuel type	%
Utility gas	8.5%
Electricity	89.0%
Propane / LP gas	1.5%
Fuel oil	0.5%
Wood	0.2%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	3,416	56.7%
Cohabiting couple	258	4.3%
Male householder, no spouse	1,069	17.7%
Female householder, no spouse	1,280	21.3%
Households with children under 18	1,494	24.8%
Households with seniors (65+)	2,496	41.4%
Average household size	2.25

Marital status

Status	Male	Female
Never married	21.8%	19.0%
Married	59.4%	58.0%
Separated	0.1%	0.3%
Widowed	6.5%	11.1%
Divorced	12.1%	11.6%

Education

Less than 9th grade 2.6%

Some HS, no diploma 3.6%

HS graduate 28.2%

Some college, no degree 22.3%

Associate's degree 10.3%

Bachelor's degree 18.9%

Graduate / professional 14.2%

Metric	%
HS diploma or higher	93.8%
Bachelor's or higher	33.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	40	1.7%
Kindergarten	71	3.0%
Elementary school	884	37.9%
High school	706	30.2%
College / grad school	634	27.2%

Employment

Industry of employment

Education & healthcare 24.3%

Manufacturing 15.5%

Retail trade 12.6%

Arts, food & hospitality 9.1%

Finance & real estate 7.5%

Professional & management 6.6%

Other services 6.1%

Transportation & utilities 5.0%

Construction 4.3%

Public administration 3.7%

Wholesale trade 2.7%

Information 2.3%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	40.8%
Service	14.0%
Sales & office	22.9%
Natural resources & construction	6.7%
Production & transportation	15.5%

Employment type

Type	%
Private sector	83.9%
Government	12.9%
Self-employed	3.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.6%
Carpool	6.5%
Public transit	0.0%
Walk	1.1%
Work from home	9.9%
Other means	0.9%
Avg commute (minutes)	21.0

Poverty

All people 5.5%

Under 18 years 6.5%

18 and over 5.2%

Married-couple families 2.1%

Female-led households 3.3%

Income support

Source	% of households
Social Security	43.7%
Retirement income	32.4%
Supplemental Security	4.2%
Cash public assistance	0.0%
Food stamps / SNAP	4.7%

Health indicators

Condition	%
Obesity	32.3%
High blood pressure	38.7%
High cholesterol	40.1%
Diabetes	11.9%
Heart disease	7.3%
Stroke	3.2%
Asthma	10.2%
Arthritis	31.7%
Kidney disease	3.0%
Pulmonary disease	8.1%
Cancer	8.0%

Behavior / access	%
Smoking	19.2%
Binge drinking	13.7%
No physical activity	22.0%
Less than 7 hrs sleep	35.1%
Depression	25.2%
Fair or poor health	14.3%
Poor mental health	15.2%
Poor physical health	10.7%
No health insurance	13.6%
Visited doctor (checkup)	76.5%
Visited dentist	62.1%
Cholesterol screening	92.2%
Teeth loss	14.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,263	11.1%

Disability	%
Any disability	15.1%
Under 18	4.0%
18–64 years	9.0%
65 and over	37.4%

Health insurance coverage

Type	%
Private insurance	76.9%
Public insurance	35.5%
No insurance	5.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	13,107	96.0%
Spanish	136	1.0%
Other Indo-European	88	0.7%
Asian & Pacific Islander	48	0.4%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	13,278	97.2%
Born in same state	13,227	96.8%
Born in different state	8,749	64.1%
Foreign born	51	0.4%
Naturalized citizen	380	2.8%
Not a US citizen	239	62.9%

Ancestry

Ancestry	Count	%
French	2,888	21.1%
Arab	1,796	13.1%
Italian	1,773	13%
English	123	0.9%

Ancestry	Count	%
Polish	78	0.6%
Irish	39	0.3%
German	26	0.2%

Technology access

Metric	% of households
Computer access	44.1%
Internet access	93.5%

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

Frequently asked questions about ZIP code 37663

What city is ZIP code 37663 in?

ZIP code 37663 is primarily assigned to Kingsport, Tennessee.

What county is ZIP code 37663 in?

ZIP code 37663 falls within Sullivan County, Tennessee.

Does ZIP code 37663 have an older population?

25% of residents in ZIP code 37663 are 65 or older, above the national average of ~17%.

Is ZIP code 37663 mostly owner-occupied?

85% of occupied units in ZIP code 37663 are owner-occupied, well above the national average.

Does ZIP code 37663 have a large retiree population?

44% of households in ZIP code 37663 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 37663 have a large veteran population?

11% of civilians in ZIP code 37663 are veterans, above the national average of ~7%.

What timezone is ZIP code 37663 in?

ZIP code 37663 observes the EST timezone.