37870 ZIP Code — Speedwell, TN

Claiborne County, Tennessee

ZIP code 37870 is located in Speedwell, Tennessee, within Claiborne County. It covers approximately 82.98 square miles and serves a population of 3,633 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 423.

About ZIP code 37870

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $126,300. Owner-occupancy is high at 81%, well above the national average.

Median household income is $38,672. Poverty affects 20% of residents, above the national average. SNAP benefit usage at 19% of households reflects economic stress in the area. 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. An above-average commute of 38 minutes suggests many residents work outside the immediate area.

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 (26%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 31%.

Overall, ZIP code 37870 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.

3,633

population

82.98

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37870 ZIP code map

Cities in ZIP code 37870

Below are the cities the US Postal Service accepts for ZIP code 37870. Using any city not on this list may result in mail delivery delays.

City	Status
Speedwell	Preferred

Nearby ZIP codes

37715 Clairfield (4.3 mi) 37866 Sharps Chapel (8.4 mi) 37825 New Tazewell (8.7 mi) 37724 Cumberland Gap (8.8 mi) 37729 Duff (10.8 mi) 40940 Frakes (12.5 mi) 40965 Middlesboro (14 mi) 37807 Maynardville (14.5 mi) 40813 Calvin (15.7 mi) 37752 Harrogate (16.1 mi) 37766 La Follette (16.6 mi) 37888 Washburn (16.7 mi)

Demographics updated 05/2026

Population
Total population	3,633
Population density	44 / sq mi
State FIPS	47
County FIPS	025

Geography
Land area	82.98 sq mi
Water area	3.46 sq mi
Latitude	36.4725
Longitude	-83.8256
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	63.0%	62.5%	45.7%
$50k – $100k	23.4%	26.0%	30.9%
$100k – $200k	13.0%	8.8%	18.3%
Over $200k	0.6%	2.7%	5.1%

Demographics & statistics

3,633

Population

People per sq mi

52.0

Median age

$38,672

Median household income

$24,831

Per capita income

$126,300

Median home value

$660

Median monthly rent

80.9%

Home ownership

19.6%

Poverty rate

6.5%

Unemployment

1,978

Housing units

14.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

104

10–14

139

15–19

122

126

20–24

110

155

25–34

137

35–44

467

45–54

411

176

55–59

155

166

60–64

146

334

65–74

293

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	556	15.3%
18 and over	3,077	84.7%
65 and over	866	23.8%
Median age	52.0 years

Race & ethnicity

White 97.9%

Two or more races 2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	3,555	97.9%
Two or more races	73	2%
American Indian / Alaska Native	5	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	63.0%	62.5%	45.7%
$50k – $100k	23.4%	26.0%	30.9%
$100k – $200k	13.0%	8.8%	18.3%
Over $200k	0.6%	2.7%	5.1%

Under $10k 9.5%

$10k–$15k 10.3%

$15k–$25k 14.2%

$25k–$35k 13.8%

$35k–$50k 10.0%

$50k–$75k 14.9%

$75k–$100k 9.4%

$100k–$150k 12.4%

$150k–$200k 5.0%

$200k+ 0.4%

Range	% of households
Under $10k	9.5%
$10k–$15k	10.3%
$15k–$25k	14.2%
$25k–$35k	13.8%
$35k–$50k	10.0%
$50k–$75k	14.9%
$75k–$100k	9.4%
$100k–$150k	12.4%
$150k–$200k	5.0%
$200k+	0.4%
Median income	$38,672

Housing

Home values

Under $50k 19.1%

$50k–$100k 24.5%

$100k–$150k 10.6%

$150k–$200k 11.8%

$200k–$300k 16.7%

$300k–$500k 12.0%

$500k–$1M 5.2%

Housing overview

Metric	Value
Median home value	$126,300
Median rent / month	$660
Owner occupied	80.9%
Renter occupied	19.1%
Vacant	29.4%
Single-family detached	66.9%
Large apartment buildings	0.0%
Mobile homes	31.5%
Median rooms	5.7
Avg household size (owned)	2.20

Year built

Era	%
2020 or later	0.0%
2010–2019	2.6%
2000–2009	17.4%
1990–1999	20.1%
1980–1989	16.9%
1970–1979	14.1%
1960–1969	6.3%
1950–1959	8.8%
1940–1949	4.3%
1939 or earlier	9.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	3.5%
2 bedrooms	36.1%
3 bedrooms	51.0%
4 bedrooms	7.3%
5+ bedrooms	1.8%

Vehicles per household

Vehicles	% of households
No vehicle	7.2%
1 vehicle	28.2%
2 vehicles	32.0%
3 or more	32.6%

Heating fuel

Fuel type	%
Utility gas	0.1%
Electricity	68.7%
Propane / LP gas	14.7%
Fuel oil	1.9%
Wood	14.6%

Households & families

Household type	Count	%
Married-couple family	887	54.9%
Cohabiting couple	62	3.8%
Male householder, no spouse	304	18.8%
Female householder, no spouse	362	22.4%
Households with children under 18	386	23.9%
Households with seniors (65+)	600	37.2%
Average household size	2.25

Marital status

Status	Male	Female
Never married	28.1%	18.4%
Married	52.8%	56.3%
Separated	2.0%	1.9%
Widowed	4.3%	12.9%
Divorced	12.8%	10.5%

Education

Less than 9th grade 8.6%

Some HS, no diploma 10.2%

HS graduate 38.3%

Some college, no degree 22.6%

Associate's degree 5.8%

Bachelor's degree 8.1%

Graduate / professional 6.3%

Metric	%
HS diploma or higher	81.2%
Bachelor's or higher	14.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	6	0.9%
Elementary school	208	32.9%
High school	257	40.6%
College / grad school	162	25.6%

Employment

Industry of employment

Education & healthcare 19.8%

Manufacturing 15.2%

Construction 10.8%

Other services 10.3%

Retail trade 10.1%

Finance & real estate 7.3%

Transportation & utilities 6.8%

Agriculture & mining 5.7%

Professional & management 5.3%

Wholesale trade 3.7%

Public administration 2.9%

Arts, food & hospitality 1.7%

Information 0.6%

Occupation

Category	%
Management, business & arts	23.9%
Service	14.8%
Sales & office	20.3%
Natural resources & construction	17.9%
Production & transportation	23.1%

Employment type

Type	%
Private sector	78.0%
Government	10.1%
Self-employed	12.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.7%
Carpool	5.7%
Public transit	0.0%
Walk	0.0%
Work from home	13.6%
Other means	0.0%
Avg commute (minutes)	37.5

Poverty

All people 19.6%

Under 18 years 24.5%

18 and over 18.7%

Married-couple families 7.2%

Female-led households 33.8%

Income support

Source	% of households
Social Security	44.1%
Retirement income	23.3%
Supplemental Security	12.3%
Cash public assistance	6.4%
Food stamps / SNAP	18.5%

Health indicators

Condition	%
Obesity	37.0%
High blood pressure	43.4%
High cholesterol	38.9%
Diabetes	14.6%
Heart disease	9.2%
Stroke	4.3%
Asthma	10.9%
Arthritis	34.9%
Kidney disease	3.7%
Pulmonary disease	11.8%
Cancer	7.8%

Behavior / access	%
Smoking	25.7%
Binge drinking	13.0%
No physical activity	28.7%
Less than 7 hrs sleep	35.7%
Depression	27.6%
Fair or poor health	20.5%
Poor mental health	17.2%
Poor physical health	14.2%
No health insurance	16.9%
Visited doctor (checkup)	76.9%
Visited dentist	52.1%
Cholesterol screening	90.7%
Teeth loss	20.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	199	6.5%

Disability	%
Any disability	31.0%
Under 18	21.9%
18–64 years	25.0%
65 and over	52.0%

Health insurance coverage

Type	%
Private insurance	58.5%
Public insurance	47.5%
No insurance	12.2%
Uninsured under 19	2.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,559	98.0%
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)	3,626	99.8%
Born in same state	3,620	99.6%
Born in different state	1,555	42.8%
Foreign born	6	0.2%
Naturalized citizen	7	0.2%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	646	17.8%
Italian	557	15.3%

Ancestry	Count	%
Arab	419	11.5%
English	53	1.5%

Technology access

Metric	% of households
Computer access	44.5%
Internet access	81.1%

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

Frequently asked questions about ZIP code 37870

What city is ZIP code 37870 in?

ZIP code 37870 is primarily assigned to Speedwell, Tennessee.

What county is ZIP code 37870 in?

ZIP code 37870 falls within Claiborne County, Tennessee.

What is the poverty rate in ZIP code 37870?

20% of residents in ZIP code 37870 live below the poverty line, above the national average.

How educated is the population of ZIP code 37870?

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

Does ZIP code 37870 have a large retiree population?

44% of households in ZIP code 37870 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 37870 mostly owner-occupied?

81% of occupied units in ZIP code 37870 are owner-occupied, well above the national average.

What timezone is ZIP code 37870 in?

ZIP code 37870 observes the EST timezone.