Greenback ZIP Codes — Loudon County, TN

There is one unique ZIP code in Greenback, Tennessee and it is 37742. Area code: 865.

ZIP codes

49.41

sq mi land

2.88

sq mi water

865

area code

Greenback, TN ZIP code map

About Greenback, TN

Greenback, Tennessee, is a charming city located in Loudon County. With its small-town charm and picturesque scenery, it attracts residents and visitors alike. The community is known for its friendly atmosphere and a close-knit populace that values its rich history.

Location & geography

Greenback is situated in East Tennessee, approximately 30 miles southwest of Knoxville and about 12 miles from Lenoir City. The city covers a land area of 49.41 square miles, complemented by a water area of 2.88 square miles, which adds to its natural beauty. The surrounding terrain features lush greenery and waterways that enhance recreational opportunities.

Community & economy

The character of Greenback is deeply rooted in Southern hospitality, with a strong sense of community among its residents. The local economy is influenced by agriculture and small businesses, which play a vital role in daily life. Residents enjoy a slower pace of life, with community events and outdoor activities being popular pastimes.

Transportation

Greenback is easily accessible via several major roadways, including Highway 411, which connects to nearby cities. The nearest airport is McGhee Tyson Airport, located about 25 miles away in Alcoa, providing regional access to air travel. Public transportation options may be limited, with most residents relying on personal vehicles for commuting.

History

Greenback was founded in the late 19th century and has a rich agricultural background that has shaped its development. Key industries have included farming and small-scale manufacturing, which continues to be a part of the local economy. The city is known for its historical landmarks and the growth of community pride over the decades.

Did you know?

One surprising fact about Greenback is that it was originally named 'Greenbackville' due to the popularity of greenback currency during its founding. Additionally, the city is home to the annual Greenback Heritage Festival, which celebrates local history and culture.

ZIP codes for Greenback, TN (1)

ZIP code	City	County	Map
37742	Greenback	Loudon	View map

Demographics & statistics

6,600

Population

41.6

Median age

$83,799

Median household income

$40,407

Per capita income

$239,500

Median home value

$868

Median monthly rent

91.5%

Home ownership

7.5%

Poverty rate

3.0%

Unemployment

2,678

Housing units

17.0%

Bachelor's or higher

Age distribution

Male Female

184

Under 5

173

264

5–9

247

10–14

204

15–19

190

154

20–24

145

539

25–34

505

360

35–44

337

494

45–54

462

285

55–59

266

210

60–64

196

476

65–74

445

115

75–84

108

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,344	20.4%
18 and over	5,256	79.6%
65 and over	1,199	18.2%
Median age	41.6 years

Race & ethnicity

White 96.6%

Two or more races 1.6%

Asian 0.6%

Hispanic or Latino 0.5%

Black or African American 0.5%

Other race 0.1%

Group	Count	%
White	6,411	96.6%
Two or more races	105	1.6%
Asian	42	0.6%
Hispanic or Latino	36	0.5%
Black or African American	33	0.5%
Other race	9	0.1%

Household income

Under $10k 3.4%

$10k–$15k 1.3%

$15k–$25k 4.9%

$25k–$35k 5.1%

$35k–$50k 15.5%

$50k–$75k 11.7%

$75k–$100k 13.8%

$100k–$150k 28.5%

$150k–$200k 5.3%

$200k+ 10.5%

Range	% of households
Under $10k	3.4%
$10k–$15k	1.3%
$15k–$25k	4.9%
$25k–$35k	5.1%
$35k–$50k	15.5%
$50k–$75k	11.7%
$75k–$100k	13.8%
$100k–$150k	28.5%
$150k–$200k	5.3%
$200k+	10.5%
Median income	$83,799

Housing

Home values

Under $50k 3.8%

$50k–$100k 3.9%

$100k–$150k 10.1%

$150k–$200k 23.2%

$200k–$300k 21.4%

$300k–$500k 29.9%

$500k–$1M 6.7%

$1M+ 1.0%

Housing overview

Metric	Value
Median home value	$239,500
Median rent / month	$868
Owner occupied	91.5%
Renter occupied	8.5%
Vacant	12.6%
Single-family detached	79.1%
Large apartment buildings	0.0%
Mobile homes	20.0%
Median rooms	5.9
Avg household size (owned)	2.55

Year built

Era	%
2020 or later	1.0%
2010–2019	11.1%
2000–2009	24.3%
1990–1999	20.3%
1980–1989	9.4%
1970–1979	12.5%
1960–1969	4.4%
1950–1959	1.3%
1940–1949	5.3%
1939 or earlier	10.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.1%
1 bedroom	0.5%
2 bedrooms	11.0%
3 bedrooms	70.2%
4 bedrooms	13.7%
5+ bedrooms	4.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.7%
1 vehicle	18.1%
2 vehicles	43.8%
3 or more	37.4%

Heating fuel

Fuel type	%
Utility gas	6.4%
Electricity	84.4%
Propane / LP gas	5.7%
Fuel oil	0.5%
Wood	2.8%

Households & families

Household type	Count	%
Married-couple family	1,595	63.1%
Cohabiting couple	98	3.9%
Male householder, no spouse	428	16.9%
Female householder, no spouse	408	16.1%
Households with children under 18	789	31.2%
Households with seniors (65+)	797	31.5%
Average household size	2.61

Marital status

Status	Male	Female
Never married	29.5%	17.7%
Married	61.4%	63.0%
Separated	0.0%	0.9%
Widowed	1.5%	5.4%
Divorced	7.7%	13.0%

Education

Less than 9th grade 2.1%

Some HS, no diploma 5.7%

HS graduate 37.4%

Some college, no degree 27.9%

Associate's degree 10.0%

Bachelor's degree 10.3%

Graduate / professional 6.7%

Metric	%
HS diploma or higher	92.3%
Bachelor's or higher	17.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	30	2.8%
Kindergarten	80	7.4%
Elementary school	497	45.8%
High school	367	33.8%
College / grad school	112	10.3%

Employment

Industry of employment

Education & healthcare 25.3%

Manufacturing 21.7%

Retail trade 18.1%

Professional & management 8.5%

Arts, food & hospitality 6.7%

Construction 5.2%

Transportation & utilities 4.7%

Public administration 2.8%

Finance & real estate 2.7%

Wholesale trade 1.8%

Other services 1.1%

Information 0.9%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	25.6%
Service	13.8%
Sales & office	31.4%
Natural resources & construction	9.0%
Production & transportation	20.1%

Employment type

Type	%
Private sector	90.5%
Government	6.2%
Self-employed	3.0%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	88.5%
Carpool	5.4%
Public transit	0.0%
Walk	0.0%
Other means	0.5%
Avg commute (minutes)	31.7

Poverty

All people 7.5%

Under 18 years 19.3%

18 and over 4.5%

Married-couple families 0.4%

Female-led households 48.2%

Income support

Source	% of households
Social Security	33.1%
Retirement income	23.4%
Supplemental Security	5.3%
Cash public assistance	2.1%
Food stamps / SNAP	3.7%

Health indicators

Condition	%
High blood pressure	38.5%
High cholesterol	38.4%
Heart disease	7.0%
Stroke	3.1%
Asthma	10.1%
Arthritis	30.4%
Kidney disease	2.8%
Pulmonary disease	8.4%
Cancer	7.2%

Behavior / access	%
Binge drinking	14.2%
No physical activity	23.3%
Less than 7 hrs sleep	32.7%
Fair or poor health	14.9%
Poor mental health	16.0%
Poor physical health	11.1%
No health insurance	14.6%
Visited doctor (checkup)	75.2%
Visited dentist	61.6%
Cholesterol screening	91.6%
Teeth loss	14.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	434	8.3%

Disability	%
Any disability	13.2%
Under 18	2.7%
18–64 years	10.6%
65 and over	34.0%

Health insurance coverage

Type	%
Private insurance	80.8%
Public insurance	29.9%
Uninsured under 19	2.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,243	94.6%
Spanish	24	0.4%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	24	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,515	98.7%
Born in same state	6,502	98.5%
Born in different state	4,189	63.5%
Foreign born	13	0.2%
Naturalized citizen	85	1.3%
Not a US citizen	77	90.6%

Ancestry

Ancestry	Count	%
Italian	503	7.6%
French	495	7.5%
Arab	478	7.2%
Polish	88	1.3%

Ancestry	Count	%
English	59	0.9%
German	26	0.4%
Dutch	21	0.3%

Technology access

Metric	% of households
Computer access	38.3%
Internet access	97.0%

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

Frequently asked questions

What ZIP codes does Greenback, TN have?

Greenback, TN has one ZIP code: 37742. Each ZIP code serves a distinct delivery area within the city and surrounding region.