37881 ZIP Code — Thorn Hill, TN

Grainger County, Tennessee

ZIP code 37881 is located in Thorn Hill, Tennessee, within Grainger County. It covers approximately 71.86 square miles and serves a population of 1,829 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 865.

About ZIP code 37881

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $125,400. Owner-occupancy is high at 83%, well above the national average.

The gap between median ($42,685) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 21% of residents, above the national average. SNAP benefit usage at 22% of households reflects economic stress in the area. 59% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. An above-average commute of 36 minutes suggests many residents work outside the immediate area.

College attainment at 7% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (30%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 27%.

Overall, ZIP code 37881 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

1,829

population

71.86

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37881 ZIP code map

Cities in ZIP code 37881

Below are the cities the US Postal Service accepts for ZIP code 37881. Using any city not on this list may result in mail delivery delays.

City	Status
Thorn Hill	Acceptable
Thorn Hill	Preferred

Nearby ZIP codes

37708 Bean Station (4.7 mi) 37869 Sneedville (8.5 mi) 37811 Mooresburg (9 mi) 37879 Tazewell (10.8 mi) 37814 Morristown (11.7 mi) 37860 Russellville (13.2 mi) 37891 Whitesburg (14 mi) 37861 Rutledge (14.1 mi) 37813 Morristown (15 mi) 37888 Washburn (15.6 mi) 37752 Harrogate (16 mi) 37877 Talbott (17.2 mi)

Demographics updated 05/2026

Population
Total population	1,829
Population density	25 / sq mi
State FIPS	47
County FIPS	057

Geography
Land area	71.86 sq mi
Water area	1.02 sq mi
Latitude	36.3967
Longitude	-83.3474
Timezone	Eastern (ET)
Area code	865

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.5%	56.2%	45.7%
$50k – $100k	25.9%	31.4%	30.9%
$100k – $200k	6.3%	10.3%	18.3%
Over $200k	1.3%	2.1%	5.1%

Demographics & statistics

1,829

Population

People per sq mi

53.5

Median age

$42,685

Median household income

$33,210

Per capita income

$125,400

Median home value

$824

Median monthly rent

82.7%

Home ownership

20.5%

Poverty rate

6.1%

Unemployment

886

Housing units

7.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

109

35–44

108

102

45–54

101

55–59

60–64

168

65–74

167

112

75–84

111

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	301	16.5%
18 and over	1,528	83.5%
65 and over	589	32.2%
Median age	53.5 years

Race & ethnicity

White 97.6%

American Indian / Alaska Native 1.6%

Two or more races 0.8%

Group	Count	%
White	1,785	97.6%
American Indian / Alaska Native	30	1.6%
Two or more races	14	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	66.5%	56.2%	45.7%
$50k – $100k	25.9%	31.4%	30.9%
$100k – $200k	6.3%	10.3%	18.3%
Over $200k	1.3%	2.1%	5.1%

Under $10k 3.0%

$10k–$15k 10.4%

$15k–$25k 15.6%

$25k–$35k 11.3%

$35k–$50k 20.1%

$50k–$75k 18.7%

$75k–$100k 8.5%

$100k–$150k 6.3%

$150k–$200k 2.7%

$200k+ 3.4%

Range	% of households
Under $10k	3.0%
$10k–$15k	10.4%
$15k–$25k	15.6%
$25k–$35k	11.3%
$35k–$50k	20.1%
$50k–$75k	18.7%
$75k–$100k	8.5%
$100k–$150k	6.3%
$150k–$200k	2.7%
$200k+	3.4%
Median income	$42,685

Housing

Home values

Under $50k 12.9%

$50k–$100k 20.8%

$100k–$150k 34.2%

$150k–$200k 11.9%

$200k–$300k 11.7%

$300k–$500k 8.5%

Housing overview

Metric	Value
Median home value	$125,400
Median rent / month	$824
Owner occupied	82.7%
Renter occupied	17.3%
Vacant	26.8%
Single-family detached	71.5%
Large apartment buildings	0.0%
Mobile homes	28.5%
Median rooms	5.5
Avg household size (owned)	2.46

Year built

Era	%
2020 or later	0.0%
2010–2019	9.3%
2000–2009	11.9%
1990–1999	25.3%
1980–1989	14.7%
1970–1979	8.5%
1960–1969	6.7%
1950–1959	6.7%
1940–1949	3.6%
1939 or earlier	13.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	8.1%
2 bedrooms	28.9%
3 bedrooms	53.6%
4 bedrooms	9.5%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	7.0%
1 vehicle	30.3%
2 vehicles	30.2%
3 or more	32.5%

Heating fuel

Fuel type	%
Utility gas	1.5%
Electricity	68.1%
Propane / LP gas	6.7%
Wood	21.2%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	406	54.7%
Cohabiting couple	67	9.0%
Male householder, no spouse	132	17.8%
Female householder, no spouse	137	18.5%
Households with children under 18	244	32.9%
Households with seniors (65+)	394	53.1%
Average household size	2.46

Marital status

Status	Male	Female
Never married	27.3%	17.0%
Married	51.8%	54.3%
Separated	1.0%	1.4%
Widowed	7.0%	8.7%
Divorced	13.0%	18.6%

Education

Less than 9th grade 14.6%

Some HS, no diploma 14.4%

HS graduate 45.4%

Some college, no degree 15.1%

Associate's degree 3.3%

Bachelor's degree 2.2%

Graduate / professional 5.1%

Metric	%
HS diploma or higher	71.0%
Bachelor's or higher	7.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	20	6.9%
Kindergarten	0	0.0%
Elementary school	117	40.2%
High school	122	41.9%
College / grad school	32	11.0%

Employment

Industry of employment

Manufacturing 38.4%

Arts, food & hospitality 13.2%

Education & healthcare 12.0%

Transportation & utilities 8.9%

Finance & real estate 7.2%

Construction 5.3%

Agriculture & mining 5.0%

Retail trade 4.2%

Professional & management 2.8%

Public administration 2.3%

Wholesale trade 0.8%

Occupation

Category	%
Management, business & arts	18.0%
Service	9.3%
Sales & office	18.8%
Natural resources & construction	12.1%
Production & transportation	41.7%

Employment type

Type	%
Private sector	92.7%
Government	4.5%
Self-employed	2.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	70.9%
Carpool	25.8%
Public transit	0.0%
Walk	2.8%
Work from home	0.5%
Other means	0.0%
Avg commute (minutes)	36.4

Poverty

All people 20.5%

Under 18 years 32.2%

18 and over 18.3%

Married-couple families 13.1%

Female-led households 35.4%

Income support

Source	% of households
Social Security	59.0%
Retirement income	24.3%
Supplemental Security	12.9%
Cash public assistance	1.3%
Food stamps / SNAP	21.6%

Health indicators

Condition	%
Obesity	40.0%
High blood pressure	42.6%
High cholesterol	38.8%
Diabetes	14.8%
Heart disease	9.2%
Stroke	4.5%
Asthma	11.3%
Arthritis	34.1%
Kidney disease	3.7%
Pulmonary disease	12.7%
Cancer	7.1%

Behavior / access	%
Smoking	29.8%
Binge drinking	13.5%
No physical activity	31.6%
Less than 7 hrs sleep	36.7%
Depression	29.0%
Fair or poor health	22.7%
Poor mental health	18.8%
Poor physical health	15.4%
No health insurance	19.7%
Visited doctor (checkup)	74.8%
Visited dentist	47.1%
Cholesterol screening	88.6%
Teeth loss	24.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	116	7.6%

Disability	%
Any disability	27.4%
Under 18	0.0%
18–64 years	18.5%
65 and over	55.7%

Health insurance coverage

Type	%
Private insurance	48.7%
Public insurance	64.7%
No insurance	6.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,767	96.6%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,829	100.0%
Born in same state	1,820	99.5%
Born in different state	1,175	64.2%
Foreign born	9	0.5%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	448	24.5%
French	266	14.5%
Italian	135	7.4%

Ancestry	Count	%
Dutch	10	0.5%
Polish	8	0.4%

Technology access

Metric	% of households
Computer access	40.6%
Internet access	75.9%

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

Frequently asked questions about ZIP code 37881

What city is ZIP code 37881 in?

ZIP code 37881 is primarily assigned to Thorn Hill, Tennessee.

What county is ZIP code 37881 in?

ZIP code 37881 falls within Grainger County, Tennessee.

Does ZIP code 37881 have a large retiree population?

59% of households in ZIP code 37881 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 37881 have an older population?

32% of residents in ZIP code 37881 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 37881?

7% 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 37881?

21% of residents in ZIP code 37881 live below the poverty line, above the national average.

What timezone is ZIP code 37881 in?

ZIP code 37881 observes the EST timezone.