37645 ZIP Code — Mount Carmel, TN

Hawkins County, Tennessee

ZIP code 37645 is located in Mount Carmel, Tennessee, within Hawkins County. It covers approximately 6.25 square miles and serves a population of 5,486 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 423.

About ZIP code 37645

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 $171,200. Owner-occupancy is high at 86%, well above the national average.

The gap between median ($64,971) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average. 47% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 25 minutes is near the national average.

College attainment at 18% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (23%) compared to national benchmarks.

Overall, ZIP code 37645 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

5,486

population

6.25

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37645 ZIP code map

Cities in ZIP code 37645

Below are the cities the US Postal Service accepts for ZIP code 37645. Using any city not on this list may result in mail delivery delays.

City	Status
Mount Carmel	Acceptable
Mount Carmel	Acceptable
Mount Carmel	Preferred

Nearby ZIP codes

37669 Kingsport (5.1 mi) 37665 Kingsport (5.2 mi) 37642 Church Hill (5.3 mi) 37660 Kingsport (5.7 mi) 37664 Kingsport (8.3 mi) 37656 Fall Branch (10 mi) 37663 Kingsport (10.7 mi) 37873 Surgoinsville (11.2 mi) 24251 Gate City (11.5 mi) 24258 Hiltons (14.7 mi) 37617 Blountville (15 mi) 37615 Johnson City (15.1 mi)

Demographics updated 05/2026

Population
Total population	5,486
Population density	878 / sq mi
State FIPS	47
County FIPS	073

Geography
Land area	6.25 sq mi
Water area	0.00 sq mi
Latitude	36.5366
Longitude	-82.6525
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	38.8%	54.3%	45.7%
$50k – $100k	44.9%	31.6%	30.9%
$100k – $200k	14.5%	12.9%	18.3%
Over $200k	1.8%	1.2%	5.1%

Demographics & statistics

5,486

Population

878

People per sq mi

42.2

Median age

$64,971

Median household income

$36,460

Per capita income

$171,200

Median home value

$744

Median monthly rent

86.3%

Home ownership

6.3%

Poverty rate

5.8%

Unemployment

1,953

Housing units

17.6%

Bachelor's or higher

Age distribution

Male Female

142

Under 5

145

119

5–9

121

167

10–14

170

155

15–19

158

163

20–24

167

425

25–34

435

255

35–44

261

433

45–54

443

144

55–59

147

190

60–64

195

229

65–74

234

238

75–84

244

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,074	19.6%
18 and over	4,412	80.4%
65 and over	1,051	19.2%
Median age	42.2 years

Race & ethnicity

White 97.1%

Two or more races 1.3%

Asian 0.9%

Black or African American 0.4%

Hispanic or Latino 0.3%

Group	Count	%
White	5,345	97.1%
Two or more races	71	1.3%
Asian	49	0.9%
Black or African American	21	0.4%
Hispanic or Latino	18	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.8%	54.3%	45.7%
$50k – $100k	44.9%	31.6%	30.9%
$100k – $200k	14.5%	12.9%	18.3%
Over $200k	1.8%	1.2%	5.1%

Under $10k 3.3%

$10k–$15k 5.2%

$15k–$25k 11.5%

$25k–$35k 2.9%

$35k–$50k 8.7%

$50k–$75k 31.1%

$75k–$100k 12.9%

$100k–$150k 13.6%

$150k–$200k 5.1%

$200k+ 5.6%

Range	% of households
Under $10k	3.3%
$10k–$15k	5.2%
$15k–$25k	11.5%
$25k–$35k	2.9%
$35k–$50k	8.7%
$50k–$75k	31.1%
$75k–$100k	12.9%
$100k–$150k	13.6%
$150k–$200k	5.1%
$200k+	5.6%
Median income	$64,971

Housing

Home values

Under $50k 2.8%

$50k–$100k 18.8%

$100k–$150k 15.6%

$150k–$200k 36.7%

$200k–$300k 15.0%

$300k–$500k 9.8%

$500k–$1M 1.0%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$171,200
Median rent / month	$744
Owner occupied	86.3%
Renter occupied	13.7%
Vacant	5.5%
Single-family detached	91.8%
Large apartment buildings	0.0%
Mobile homes	7.3%
Median rooms	6.1
Avg household size (owned)	2.67

Year built

Era	%
2020 or later	0.0%
2010–2019	3.7%
2000–2009	12.6%
1990–1999	13.3%
1980–1989	16.7%
1970–1979	21.4%
1960–1969	12.1%
1950–1959	8.3%
1940–1949	8.2%
1939 or earlier	3.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.8%
2 bedrooms	13.2%
3 bedrooms	67.5%
4 bedrooms	17.1%
5+ bedrooms	1.3%

Vehicles per household

Vehicles	% of households
No vehicle	5.3%
1 vehicle	23.5%
2 vehicles	32.0%
3 or more	39.2%

Heating fuel

Fuel type	%
Utility gas	32.3%
Electricity	67.4%
Wood	0.2%

Households & families

Household type	Count	%
Married-couple family	1,219	57.5%
Cohabiting couple	98	4.6%
Male householder, no spouse	323	15.2%
Female householder, no spouse	479	22.6%
Households with children under 18	619	29.2%
Households with seniors (65+)	766	36.1%
Average household size	2.58

Marital status

Status	Male	Female
Never married	29.2%	14.8%
Married	56.9%	60.8%
Separated	0.8%	0.6%
Widowed	1.5%	10.7%
Divorced	11.6%	13.0%

Education

Less than 9th grade 0.9%

Some HS, no diploma 6.1%

HS graduate 38.6%

Some college, no degree 30.1%

Associate's degree 6.7%

Bachelor's degree 13.6%

Graduate / professional 3.9%

Metric	%
HS diploma or higher	93.0%
Bachelor's or higher	17.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	16	1.7%
Kindergarten	42	4.5%
Elementary school	478	51.0%
High school	234	24.9%
College / grad school	168	17.9%

Employment

Industry of employment

Manufacturing 24.8%

Education & healthcare 18.6%

Arts, food & hospitality 9.8%

Construction 9.0%

Retail trade 8.6%

Professional & management 7.2%

Finance & real estate 7.0%

Transportation & utilities 5.4%

Public administration 5.0%

Other services 3.4%

Wholesale trade 0.7%

Agriculture & mining 0.3%

Information 0.3%

Occupation

Category	%
Management, business & arts	31.9%
Service	15.1%
Sales & office	18.1%
Natural resources & construction	13.3%
Production & transportation	21.7%

Employment type

Type	%
Private sector	85.7%
Government	10.0%
Self-employed	4.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.9%
Carpool	6.7%
Public transit	0.0%
Walk	0.0%
Work from home	10.2%
Other means	1.2%
Avg commute (minutes)	25.2

Poverty

All people 6.3%

Under 18 years 11.0%

18 and over 5.2%

Married-couple families 1.3%

Female-led households 32.8%

Income support

Source	% of households
Social Security	47.1%
Retirement income	34.6%
Supplemental Security	2.4%
Cash public assistance	0.0%
Food stamps / SNAP	7.3%

Health indicators

Condition	%
Obesity	38.3%
High blood pressure	38.7%
High cholesterol	37.8%
Diabetes	12.3%
Heart disease	7.5%
Stroke	3.4%
Asthma	10.4%
Arthritis	31.7%
Kidney disease	3.1%
Pulmonary disease	9.3%
Cancer	7.2%

Behavior / access	%
Smoking	22.7%
Binge drinking	14.3%
No physical activity	24.4%
Less than 7 hrs sleep	36.0%
Depression	27.8%
Fair or poor health	16.8%
Poor mental health	16.8%
Poor physical health	12.0%
No health insurance	15.0%
Visited doctor (checkup)	75.3%
Visited dentist	57.7%
Cholesterol screening	90.8%
Teeth loss	16.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	448	10.2%

Disability	%
Any disability	21.0%
Under 18	6.8%
18–64 years	18.2%
65 and over	45.0%

Health insurance coverage

Type	%
Private insurance	71.4%
Public insurance	35.2%
No insurance	9.5%
Uninsured under 19	1.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,199	94.8%
Spanish	16	0.3%
Other Indo-European	8	0.2%
Asian & Pacific Islander	8	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,471	99.7%
Born in same state	5,436	99.1%
Born in different state	3,699	67.4%
Foreign born	35	0.6%
Naturalized citizen	15	0.3%
Not a US citizen	6	40.0%

Ancestry

Ancestry	Count	%
French	913	16.6%
Arab	813	14.8%
Italian	422	7.7%

Ancestry	Count	%
English	50	0.9%
Polish	26	0.5%

Technology access

Metric	% of households
Computer access	38.6%
Internet access	92.6%

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

Frequently asked questions about ZIP code 37645

What city is ZIP code 37645 in?

ZIP code 37645 is primarily assigned to Mount Carmel, Tennessee.

What county is ZIP code 37645 in?

ZIP code 37645 falls within Hawkins County, Tennessee.

Does ZIP code 37645 have a large retiree population?

47% of households in ZIP code 37645 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 37645 mostly owner-occupied?

86% of occupied units in ZIP code 37645 are owner-occupied, well above the national average.

Does ZIP code 37645 have a large veteran population?

10% of civilians in ZIP code 37645 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 37645?

The median home value in ZIP code 37645 is $171,200.

What timezone is ZIP code 37645 in?

ZIP code 37645 observes the EST timezone.