Limestone ZIP Codes — Washington County, TN

There is one unique ZIP code in Limestone, Tennessee and it is 37681. Area code: 423.

ZIP codes

65.20

sq mi land

0.36

sq mi water

423

area code

Limestone, TN ZIP code map

About Limestone, TN

Limestone, Tennessee, is a quaint community located in Washington County. Known for its rich natural beauty and serene environment, Limestone offers residents a peaceful small-town lifestyle. The area is characterized by a close-knit community culture that welcomes newcomers with open arms.

Location & geography

Limestone is situated in the northeastern part of Tennessee and is approximately 15 miles from both Johnson City and Jonesborough. The town covers a land area of 65.20 square miles and has a minor water area of 0.36 square miles, contributing to its picturesque landscapes. The terrain is predominantly rolling hills and valleys, offering stunning views and outdoor recreational opportunities.

Community & economy

The character of Limestone is marked by its friendly residents and strong sense of community. The local economy primarily relies on agriculture and small businesses, fostering a supportive environment for entrepreneurship. Daily life is enriched by community events, family-owned shops, and local gatherings that promote a strong, familial atmosphere.

Transportation

Limestone is conveniently served by several major highways, including U.S. Route 11E, which facilitates travel to nearby cities. The nearest airport is the Tri-Cities Airport, located roughly 20 miles away, providing both national and regional air travel options. Public transportation options are limited, making personal vehicles the primary mode of transit.

History

Limestone was founded in the 18th century and has deep historical roots in the region. Its economy has traditionally been bolstered by agriculture and local industries, which remain vital to its heritage and character. The town has also been known for its community-centric events that reflect its rich history and traditions.

Did you know?

A little-known fact about Limestone is that it was once a significant stop for travelers in the early days of Tennessee's settlement. This small town's picturesque landscapes have also made it a hidden gem for outdoor enthusiasts seeking nature adventures outside of more commercial areas.

ZIP codes for Limestone, TN (1)

ZIP code	City	County	Map
37681	Limestone	Washington	View map

Demographics & statistics

6,122

Population

47.9

Median age

$49,844

Median household income

$31,467

Per capita income

$163,300

Median home value

$793

Median monthly rent

86.0%

Home ownership

13.3%

Poverty rate

1.2%

Unemployment

2,380

Housing units

15.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

148

5–9

145

229

10–14

226

165

15–19

162

196

20–24

193

307

25–34

302

309

35–44

304

403

45–54

398

120

55–59

119

175

60–64

172

605

65–74

596

217

75–84

214

119

85+

117

← Male

Female →

Age summary

Group	Count	%
Under 18	1,180	19.3%
18 and over	4,942	80.7%
65 and over	1,868	30.5%
Median age	47.9 years

Race & ethnicity

White 95.1%

Two or more races 2.7%

Hispanic or Latino 1.4%

Black or African American 0.7%

Asian 0.1%

Group	Count	%
White	5,907	95.1%
Two or more races	165	2.7%
Hispanic or Latino	87	1.4%
Black or African American	44	0.7%
Asian	6	0.1%

Household income

Under $10k 2.5%

$10k–$15k 5.9%

$15k–$25k 14.2%

$25k–$35k 11.7%

$35k–$50k 15.9%

$50k–$75k 10.9%

$75k–$100k 14.1%

$100k–$150k 12.1%

$150k–$200k 9.3%

$200k+ 3.4%

Range	% of households
Under $10k	2.5%
$10k–$15k	5.9%
$15k–$25k	14.2%
$25k–$35k	11.7%
$35k–$50k	15.9%
$50k–$75k	10.9%
$75k–$100k	14.1%
$100k–$150k	12.1%
$150k–$200k	9.3%
$200k+	3.4%
Median income	$49,844

Housing

Home values

Under $50k 7.9%

$50k–$100k 17.0%

$100k–$150k 20.2%

$150k–$200k 13.5%

$200k–$300k 22.7%

$300k–$500k 16.0%

$500k–$1M 1.2%

$1M+ 1.5%

Housing overview

Metric	Value
Median home value	$163,300
Median rent / month	$793
Owner occupied	86.0%
Renter occupied	14.0%
Vacant	9.1%
Single-family detached	66.4%
Large apartment buildings	0.6%
Mobile homes	30.1%
Median rooms	5.7
Avg household size (owned)	2.52

Year built

Era	%
2020 or later	0.0%
2010–2019	5.9%
2000–2009	26.2%
1990–1999	18.5%
1980–1989	9.2%
1970–1979	10.1%
1960–1969	9.2%
1950–1959	4.0%
1940–1949	1.8%
1939 or earlier	15.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	3.4%
2 bedrooms	25.1%
3 bedrooms	53.1%
4 bedrooms	15.6%
5+ bedrooms	1.3%

Vehicles per household

Vehicles	% of households
No vehicle	2.9%
1 vehicle	26.8%
2 vehicles	36.9%
3 or more	33.3%

Heating fuel

Fuel type	%
Utility gas	1.2%
Electricity	84.1%
Propane / LP gas	6.7%
Fuel oil	0.7%
Wood	5.9%
No fuel used	1.5%

Households & families

Household type	Count	%
Married-couple family	1,569	63.3%
Cohabiting couple	116	4.7%
Male householder, no spouse	257	10.4%
Female householder, no spouse	535	21.6%
Households with children under 18	724	29.2%
Households with seniors (65+)	1,198	48.4%
Average household size	2.43

Marital status

Status	Male	Female
Never married	27.2%	16.6%
Married	62.4%	59.9%
Separated	1.6%	0.7%
Widowed	3.5%	15.6%
Divorced	5.4%	7.1%

Education

Less than 9th grade 10.7%

Some HS, no diploma 6.0%

HS graduate 43.3%

Some college, no degree 19.5%

Associate's degree 5.1%

Bachelor's degree 10.2%

Graduate / professional 5.2%

Metric	%
HS diploma or higher	83.3%
Bachelor's or higher	15.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	34	3.2%
Elementary school	595	56.3%
High school	321	30.4%
College / grad school	107	10.1%

Employment

Industry of employment

Education & healthcare 32.6%

Manufacturing 21.1%

Retail trade 11.8%

Professional & management 7.8%

Arts, food & hospitality 6.3%

Other services 5.1%

Agriculture & mining 3.8%

Finance & real estate 3.5%

Construction 2.8%

Transportation & utilities 2.6%

Public administration 1.4%

Wholesale trade 0.6%

Information 0.5%

Occupation

Category	%
Management, business & arts	34.8%
Service	12.0%
Sales & office	26.8%
Natural resources & construction	9.5%
Production & transportation	16.9%

Employment type

Type	%
Private sector	82.2%
Government	11.7%
Self-employed	6.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	89.4%
Carpool	6.2%
Public transit	0.0%
Walk	1.2%
Other means	0.0%
Avg commute (minutes)	32.7

Poverty

All people 13.3%

Under 18 years 9.6%

18 and over 14.2%

Married-couple families 9.2%

Female-led households 13.2%

Income support

Source	% of households
Social Security	57.4%
Retirement income	28.3%
Supplemental Security	5.5%
Cash public assistance	2.0%
Food stamps / SNAP	7.0%

Health indicators

Condition	%
High blood pressure	40.4%
High cholesterol	38.1%
Heart disease	8.0%
Stroke	3.7%
Asthma	10.8%
Arthritis	33.0%
Kidney disease	3.2%
Pulmonary disease	10.1%
Cancer	7.4%

Behavior / access	%
Binge drinking	13.7%
No physical activity	26.3%
Less than 7 hrs sleep	35.4%
Fair or poor health	18.1%
Poor mental health	17.0%
Poor physical health	12.8%
No health insurance	16.5%
Visited doctor (checkup)	75.3%
Visited dentist	56.4%
Cholesterol screening	90.8%
Teeth loss	19.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	399	8.1%

Disability	%
Any disability	23.7%
Under 18	14.1%
18–64 years	17.6%
65 and over	40.0%

Health insurance coverage

Type	%
Private insurance	61.2%
Public insurance	46.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,941	97.0%
Spanish	51	0.9%
Other Indo-European	2	0.0%
Asian & Pacific Islander	49	0.8%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,110	99.8%
Born in same state	6,082	99.3%
Born in different state	4,716	77.0%
Foreign born	28	0.5%
Naturalized citizen	12	0.2%
Not a US citizen	12	100.0%

Ancestry

Ancestry	Count	%
French	1,757	28.7%
Arab	858	14%
Italian	716	11.7%

Ancestry	Count	%
English	16	0.3%
Dutch	11	0.2%
German	3	0%

Technology access

Metric	% of households
Computer access	40.5%
Internet access	86.3%

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

Frequently asked questions

What ZIP codes does Limestone, TN have?

Limestone, TN has one ZIP code: 37681. Each ZIP code serves a distinct delivery area within the city and surrounding region.