37650 ZIP Code — Erwin, TN

Unicoi County, Tennessee

ZIP code 37650 is located in Erwin, Tennessee, within Unicoi County. It covers approximately 96.97 square miles and serves a population of 12,980 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 423.

About ZIP code 37650

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $138,500. Owner-occupancy is high at 76%, well above the national average.

Median household income is $51,556. 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 22 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 (25%) compared to national benchmarks.

Overall, ZIP code 37650 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

12,980

population

96.97

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37650 ZIP code map

Cities in ZIP code 37650

Below are the cities the US Postal Service accepts for ZIP code 37650. Using any city not on this list may result in mail delivery delays.

City	Status
Erwin	Preferred

Nearby ZIP codes

37657 Flag Pond (6.6 mi) 37692 Unicoi (11 mi) 37690 Telford (11.2 mi) 28740 Green Mountain (12.4 mi) 37659 Jonesborough (13.4 mi) 28705 Bakersville (13.7 mi) 37641 Chuckey (13.8 mi) 37681 Limestone (14.1 mi) 28754 Mars Hill (14.6 mi) 37604 Johnson City (16.2 mi) 28714 Burnsville (16.4 mi) 37601 Johnson City (17.6 mi)

Demographics updated 05/2026

Population
Total population	12,980
Population density	134 / sq mi
State FIPS	47
County FIPS	171

Geography
Land area	96.97 sq mi
Water area	0.54 sq mi
Latitude	36.0917
Longitude	-82.4711
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	58.8%	57.1%	45.7%
$50k – $100k	30.4%	31.2%	30.9%
$100k – $200k	9.8%	10.2%	18.3%
Over $200k	1.1%	1.4%	5.1%

Demographics & statistics

12,980

Population

134

People per sq mi

44.3

Median age

$51,556

Median household income

$27,418

Per capita income

$138,500

Median home value

$626

Median monthly rent

75.6%

Home ownership

16.8%

Poverty rate

5.2%

Unemployment

4,960

Housing units

14.8%

Bachelor's or higher

Age distribution

Male Female

362

Under 5

347

444

5–9

424

352

10–14

336

313

15–19

300

368

20–24

353

845

25–34

808

714

35–44

683

910

45–54

870

383

55–59

367

501

60–64

479

843

65–74

806

415

75–84

398

183

85+

176

← Male

Female →

Age summary

Group	Count	%
Under 18	2,647	20.4%
18 and over	10,333	79.6%
65 and over	2,821	21.7%
Median age	44.3 years

Race & ethnicity

White 91.1%

Hispanic or Latino 3.9%

Two or more races 2.6%

Other race 2.1%

Black or African American 0.3%

Group	Count	%
White	12,307	91.1%
Hispanic or Latino	531	3.9%
Two or more races	355	2.6%
Other race	281	2.1%
Black or African American	37	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	58.8%	57.1%	45.7%
$50k – $100k	30.4%	31.2%	30.9%
$100k – $200k	9.8%	10.2%	18.3%
Over $200k	1.1%	1.4%	5.1%

Under $10k 8.1%

$10k–$15k 6.6%

$15k–$25k 13.3%

$25k–$35k 10.4%

$35k–$50k 9.8%

$50k–$75k 19.8%

$75k–$100k 10.8%

$100k–$150k 13.8%

$150k–$200k 3.7%

$200k+ 3.5%

Range	% of households
Under $10k	8.1%
$10k–$15k	6.6%
$15k–$25k	13.3%
$25k–$35k	10.4%
$35k–$50k	9.8%
$50k–$75k	19.8%
$75k–$100k	10.8%
$100k–$150k	13.8%
$150k–$200k	3.7%
$200k+	3.5%
Median income	$51,556

Housing

Home values

Under $50k 13.8%

$50k–$100k 15.1%

$100k–$150k 28.3%

$150k–$200k 14.1%

$200k–$300k 16.3%

$300k–$500k 9.3%

$500k–$1M 2.7%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$138,500
Median rent / month	$626
Owner occupied	75.6%
Renter occupied	24.4%
Vacant	14.4%
Single-family detached	69.4%
Large apartment buildings	0.7%
Mobile homes	17.0%
Median rooms	5.7
Avg household size (owned)	2.49

Year built

Era	%
2020 or later	0.0%
2010–2019	3.9%
2000–2009	9.2%
1990–1999	12.1%
1980–1989	11.0%
1970–1979	20.9%
1960–1969	8.9%
1950–1959	8.9%
1940–1949	10.7%
1939 or earlier	14.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	8.0%
2 bedrooms	30.8%
3 bedrooms	47.1%
4 bedrooms	11.7%
5+ bedrooms	1.9%

Vehicles per household

Vehicles	% of households
No vehicle	4.5%
1 vehicle	31.0%
2 vehicles	38.3%
3 or more	26.3%

Heating fuel

Fuel type	%
Utility gas	35.6%
Electricity	53.2%
Propane / LP gas	4.8%
Fuel oil	2.0%
Wood	4.0%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	2,833	52.7%
Cohabiting couple	213	4.0%
Male householder, no spouse	1,118	20.8%
Female householder, no spouse	1,207	22.5%
Households with children under 18	1,642	30.6%
Households with seniors (65+)	1,954	36.4%
Average household size	2.35

Marital status

Status	Male	Female
Never married	26.1%	15.8%
Married	56.6%	56.8%
Separated	1.6%	2.0%
Widowed	4.2%	10.0%
Divorced	11.6%	15.3%

Education

Less than 9th grade 4.7%

Some HS, no diploma 6.7%

HS graduate 39.4%

Some college, no degree 27.7%

Associate's degree 6.9%

Bachelor's degree 8.9%

Graduate / professional 5.8%

Metric	%
HS diploma or higher	88.7%
Bachelor's or higher	14.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	206	8.5%
Kindergarten	76	3.1%
Elementary school	1,156	47.5%
High school	297	12.2%
College / grad school	698	28.7%

Employment

Industry of employment

Education & healthcare 25.4%

Manufacturing 17.6%

Transportation & utilities 10.5%

Construction 10.4%

Retail trade 10.3%

Professional & management 7.1%

Public administration 5.7%

Finance & real estate 4.2%

Arts, food & hospitality 3.7%

Other services 2.9%

Wholesale trade 1.6%

Information 0.3%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	28.1%
Service	13.9%
Sales & office	22.1%
Natural resources & construction	13.0%
Production & transportation	22.8%

Employment type

Type	%
Private sector	75.7%
Government	17.4%
Self-employed	6.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.4%
Carpool	7.3%
Public transit	0.0%
Walk	4.1%
Work from home	7.2%
Other means	0.0%
Avg commute (minutes)	22.4

Poverty

All people 16.8%

Under 18 years 22.2%

18 and over 15.4%

Married-couple families 9.8%

Female-led households 20.6%

Income support

Source	% of households
Social Security	43.7%
Retirement income	20.5%
Supplemental Security	7.4%
Cash public assistance	3.3%
Food stamps / SNAP	15.9%

Health indicators

Condition	%
Obesity	35.3%
High blood pressure	44.0%
High cholesterol	38.7%
Diabetes	14.6%
Heart disease	9.7%
Stroke	4.6%
Asthma	10.9%
Arthritis	35.8%
Kidney disease	3.9%
Pulmonary disease	12.0%
Cancer	8.2%

Behavior / access	%
Smoking	25.3%
Binge drinking	12.9%
No physical activity	29.4%
Less than 7 hrs sleep	35.5%
Depression	27.6%
Fair or poor health	20.7%
Poor mental health	17.2%
Poor physical health	14.3%
No health insurance	17.6%
Visited doctor (checkup)	76.6%
Visited dentist	52.9%
Cholesterol screening	90.4%
Teeth loss	21.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	958	9.3%

Disability	%
Any disability	20.8%
Under 18	4.1%
18–64 years	17.1%
65 and over	48.4%

Health insurance coverage

Type	%
Private insurance	64.1%
Public insurance	43.1%
No insurance	7.7%
Uninsured under 19	0.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	12,271	94.5%
Spanish	156	1.3%
Other Indo-European	156	1.3%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	12,656	97.5%
Born in same state	12,651	97.5%
Born in different state	9,734	75.0%
Foreign born	5	0.0%
Naturalized citizen	324	2.5%
Not a US citizen	195	60.2%

Ancestry

Ancestry	Count	%
Arab	3,724	28.7%
French	1,731	13.3%
Italian	1,099	8.5%
English	178	1.4%

Ancestry	Count	%
Polish	92	0.7%
Irish	12	0.1%
German	5	0%

Technology access

Metric	% of households
Computer access	41.4%
Internet access	85.3%

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

Frequently asked questions about ZIP code 37650

What city is ZIP code 37650 in?

ZIP code 37650 is primarily assigned to Erwin, Tennessee.

What county is ZIP code 37650 in?

ZIP code 37650 falls within Unicoi County, Tennessee.

Does ZIP code 37650 have a large retiree population?

44% of households in ZIP code 37650 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 37650?

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

What is the poverty rate in ZIP code 37650?

17% of residents in ZIP code 37650 live below the poverty line, above the national average.

What is the typical home value in ZIP code 37650?

The median home value in ZIP code 37650 is $138,500.

What timezone is ZIP code 37650 in?

ZIP code 37650 observes the EST timezone.