37664 ZIP Code — Kingsport, TN

Sullivan County, Tennessee

ZIP code 37664 is located in Kingsport, Tennessee, within Sullivan County. It covers approximately 33.93 square miles and serves a population of 28,804 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 423.

About ZIP code 37664

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 $188,400. Owner-occupancy sits near the national average at 71%.

Median household income is $58,977. 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 20 minutes is near the national average.

Educational attainment is near the national average, with 32% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks.

28,804

population

33.93

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37664 ZIP code map

Cities in ZIP code 37664

Below are the cities the US Postal Service accepts for ZIP code 37664. Using any city not on this list may result in mail delivery delays.

City	Status
Kingsport	Preferred

Nearby ZIP codes

37660 Kingsport (2.6 mi) 37663 Kingsport (3.1 mi) 37669 Kingsport (4.4 mi) 37665 Kingsport (6.5 mi) 37617 Blountville (7.3 mi) 37645 Mount Carmel (8.3 mi) 37615 Johnson City (8.3 mi) 37686 Piney Flats (9.9 mi) 37656 Fall Branch (10.3 mi) 24258 Hiltons (11.4 mi) 37642 Church Hill (12.3 mi) 37699 Piney Flats (12.7 mi)

Demographics updated 05/2026

Population
Total population	28,804
Population density	849 / sq mi
State FIPS	47
County FIPS	163

Geography
Land area	33.93 sq mi
Water area	0.35 sq mi
Latitude	36.5011
Longitude	-82.5095
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	49.8%	51.9%	45.7%
$50k – $100k	29.2%	29.9%	30.9%
$100k – $200k	16.1%	14.6%	18.3%
Over $200k	5.0%	3.5%	5.1%

Demographics & statistics

28,804

Population

849

People per sq mi

46.0

Median age

$58,977

Median household income

$37,502

Per capita income

$188,400

Median home value

$752

Median monthly rent

70.6%

Home ownership

15.5%

Poverty rate

4.7%

Unemployment

10,379

Housing units

32.4%

Bachelor's or higher

Age distribution

Male Female

593

Under 5

626

858

5–9

906

903

10–14

953

679

15–19

716

739

20–24

781

1,446

25–34

1,526

1,572

35–44

1,661

2,113

45–54

2,231

841

55–59

888

855

60–64

902

1,978

65–74

2,088

1,050

75–84

1,108

385

85+

406

← Male

Female →

Age summary

Group	Count	%
Under 18	5,774	20.0%
18 and over	23,030	80.0%
65 and over	7,015	24.4%
Median age	46.0 years

Race & ethnicity

White 93.8%

Two or more races 2.7%

Black or African American 1.6%

Hispanic or Latino 0.9%

Asian 0.6%

Other race 0.4%

American Indian / Alaska Native 0.1%

Group	Count	%
White	27,265	93.8%
Two or more races	773	2.7%
Black or African American	463	1.6%
Hispanic or Latino	256	0.9%
Asian	184	0.6%
Other race	103	0.4%
American Indian / Alaska Native	16	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.8%	51.9%	45.7%
$50k – $100k	29.2%	29.9%	30.9%
$100k – $200k	16.1%	14.6%	18.3%
Over $200k	5.0%	3.5%	5.1%

Under $10k 4.4%

$10k–$15k 6.8%

$15k–$25k 11.5%

$25k–$35k 10.0%

$35k–$50k 12.3%

$50k–$75k 15.5%

$75k–$100k 10.5%

$100k–$150k 14.3%

$150k–$200k 8.3%

$200k+ 6.5%

Range	% of households
Under $10k	4.4%
$10k–$15k	6.8%
$15k–$25k	11.5%
$25k–$35k	10.0%
$35k–$50k	12.3%
$50k–$75k	15.5%
$75k–$100k	10.5%
$100k–$150k	14.3%
$150k–$200k	8.3%
$200k+	6.5%
Median income	$58,977

Housing

Home values

Under $50k 6.4%

$50k–$100k 13.2%

$100k–$150k 17.1%

$150k–$200k 16.1%

$200k–$300k 20.1%

$300k–$500k 21.6%

$500k–$1M 5.3%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$188,400
Median rent / month	$752
Owner occupied	70.6%
Renter occupied	29.4%
Vacant	10.5%
Single-family detached	77.1%
Large apartment buildings	2.2%
Mobile homes	6.4%
Median rooms	5.8
Avg household size (owned)	2.41

Year built

Era	%
2020 or later	0.0%
2010–2019	7.7%
2000–2009	8.7%
1990–1999	12.7%
1980–1989	12.1%
1970–1979	11.8%
1960–1969	12.7%
1950–1959	15.1%
1940–1949	11.7%
1939 or earlier	7.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	7.9%
2 bedrooms	24.9%
3 bedrooms	47.2%
4 bedrooms	15.4%
5+ bedrooms	4.2%

Vehicles per household

Vehicles	% of households
No vehicle	6.6%
1 vehicle	30.9%
2 vehicles	39.6%
3 or more	22.9%

Heating fuel

Fuel type	%
Utility gas	13.9%
Electricity	82.4%
Propane / LP gas	1.2%
Wood	1.1%
Solar	0.1%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	5,793	45.9%
Cohabiting couple	771	6.1%
Male householder, no spouse	2,246	17.8%
Female householder, no spouse	3,808	30.2%
Households with children under 18	3,389	26.9%
Households with seniors (65+)	4,924	39.0%
Average household size	2.26

Marital status

Status	Male	Female
Never married	25.2%	21.9%
Married	54.1%	48.0%
Separated	1.9%	2.5%
Widowed	4.4%	12.5%
Divorced	14.5%	15.0%

Education

Less than 9th grade 2.7%

Some HS, no diploma 6.5%

HS graduate 28.7%

Some college, no degree 19.2%

Associate's degree 10.5%

Bachelor's degree 22.3%

Graduate / professional 10.2%

Metric	%
HS diploma or higher	90.8%
Bachelor's or higher	32.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	241	4.1%
Kindergarten	286	4.9%
Elementary school	2,771	47.2%
High school	1,338	22.8%
College / grad school	1,232	21.0%

Employment

Industry of employment

Education & healthcare 24.0%

Manufacturing 17.6%

Retail trade 13.3%

Professional & management 8.6%

Arts, food & hospitality 7.8%

Finance & real estate 6.0%

Construction 5.7%

Transportation & utilities 5.6%

Other services 5.3%

Public administration 2.7%

Information 1.5%

Wholesale trade 1.3%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	43.5%
Service	14.6%
Sales & office	21.0%
Natural resources & construction	9.1%
Production & transportation	11.8%

Employment type

Type	%
Private sector	80.5%
Government	12.1%
Self-employed	7.2%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	81.8%
Carpool	6.5%
Public transit	0.0%
Walk	1.1%
Work from home	9.2%
Other means	1.4%
Avg commute (minutes)	19.8

Poverty

All people 15.5%

Under 18 years 24.3%

18 and over 13.3%

Married-couple families 4.5%

Female-led households 33.5%

Income support

Source	% of households
Social Security	43.6%
Retirement income	29.2%
Supplemental Security	5.6%
Cash public assistance	0.6%
Food stamps / SNAP	12.0%

Health indicators

Condition	%
Obesity	33.3%
High blood pressure	40.9%
High cholesterol	41.5%
Diabetes	13.1%
Heart disease	8.2%
Stroke	3.7%
Asthma	10.6%
Arthritis	33.7%
Kidney disease	3.4%
Pulmonary disease	9.4%
Cancer	8.3%

Behavior / access	%
Smoking	21.1%
Binge drinking	13.1%
No physical activity	25.0%
Less than 7 hrs sleep	36.0%
Depression	25.8%
Fair or poor health	16.8%
Poor mental health	16.0%
Poor physical health	12.1%
No health insurance	15.2%
Visited doctor (checkup)	77.0%
Visited dentist	58.2%
Cholesterol screening	91.5%
Teeth loss	18.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,415	10.5%

Disability	%
Any disability	20.6%
Under 18	4.2%
18–64 years	16.3%
65 and over	44.5%

Health insurance coverage

Type	%
Private insurance	68.2%
Public insurance	42.9%
No insurance	6.6%
Uninsured under 19	0.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	27,585	95.8%
Spanish	123	0.4%
Other Indo-European	36	0.1%
Asian & Pacific Islander	33	0.1%
Other languages	40	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	28,348	98.4%
Born in same state	28,144	97.7%
Born in different state	18,543	64.4%
Foreign born	204	0.7%
Naturalized citizen	456	1.6%
Not a US citizen	215	47.1%

Ancestry

Ancestry	Count	%
French	6,066	21.1%
Arab	4,867	16.9%
Italian	3,632	12.6%
English	426	1.5%
Polish	69	0.2%

Ancestry	Count	%
Dutch	24	0.1%
Irish	20	0.1%
German	8	0%
Norwegian	8	0%

Technology access

Metric	% of households
Computer access	43.8%
Internet access	91.3%

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

Frequently asked questions about ZIP code 37664

What city is ZIP code 37664 in?

ZIP code 37664 is primarily assigned to Kingsport, Tennessee.

What county is ZIP code 37664 in?

ZIP code 37664 falls within Sullivan County, Tennessee.

Does ZIP code 37664 have a large retiree population?

44% of households in ZIP code 37664 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 37664?

16% of residents in ZIP code 37664 live below the poverty line, above the national average.

Does ZIP code 37664 have a large veteran population?

11% of civilians in ZIP code 37664 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 37664?

The median home value in ZIP code 37664 is $188,400.

What timezone is ZIP code 37664 in?

ZIP code 37664 observes the EST timezone.