37330 ZIP Code — Estill Springs, TN

Franklin County, Tennessee

ZIP code 37330 is located in Estill Springs, Tennessee, within Franklin County. It covers approximately 38.86 square miles and serves a population of 6,899 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 931.

About ZIP code 37330

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 $183,300. Owner-occupancy is high at 83%, well above the national average.

Median household income is $57,384. 42% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 25 minutes is near the national average.

College attainment at 19% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (24%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 15% of civilians, above the national average of 7%.

Overall, ZIP code 37330 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

6,899

population

38.86

sq mi land

Standard

ZIP type

Central (CT)

timezone

37330 ZIP code map

Cities in ZIP code 37330

Below are the cities the US Postal Service accepts for ZIP code 37330. Using any city not on this list may result in mail delivery delays.

City	Status
Estill Springs	Acceptable
Estill Springs	Preferred

Nearby ZIP codes

37388 Tullahoma (6.1 mi) 37398 Winchester (6.7 mi) 37389 Arnold Afb (7.1 mi) 37324 Decherd (8.5 mi) 37318 Cowan (10.4 mi) 37342 Hillsboro (11.6 mi) 37383 Sewanee (12.8 mi) 37360 Normandy (12.9 mi) 37352 Lynchburg (14 mi) 37306 Belvidere (14.3 mi) 37366 Pelham (15.2 mi) 37355 Manchester (15.3 mi)

Demographics updated 05/2026

Population
Total population	6,899
Population density	178 / sq mi
State FIPS	47
County FIPS	051

Geography
Land area	38.86 sq mi
Water area	10.06 sq mi
Latitude	35.2944
Longitude	-86.1184
Timezone	Central (CT)
Area code	931

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.3%	52.8%	45.7%
$50k – $100k	31.6%	29.3%	30.9%
$100k – $200k	13.0%	13.6%	18.3%
Over $200k	1.1%	4.4%	5.1%

Demographics & statistics

6,899

Population

178

People per sq mi

42.6

Median age

$57,384

Median household income

$32,128

Per capita income

$183,300

Median home value

$1,077

Median monthly rent

83.4%

Home ownership

15.4%

Poverty rate

3.0%

Unemployment

2,859

Housing units

19.2%

Bachelor's or higher

Age distribution

Male Female

184

Under 5

176

276

5–9

264

143

10–14

137

185

15–19

178

146

20–24

140

491

25–34

470

371

35–44

356

471

45–54

452

257

55–59

247

390

60–64

374

337

65–74

324

204

75–84

195

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,376	19.9%
18 and over	5,523	80.1%
65 and over	1,191	17.3%
Median age	42.6 years

Race & ethnicity

White 93.3%

Two or more races 2.5%

Black or African American 1.5%

Hispanic or Latino 1.1%

Other race 1%

Native Hawaiian / Pacific Islander 0.5%

Asian 0.1%

Group	Count	%
White	6,505	93.3%
Two or more races	174	2.5%
Black or African American	108	1.5%
Hispanic or Latino	74	1.1%
Other race	70	1%
Native Hawaiian / Pacific Islander	33	0.5%
Asian	9	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.3%	52.8%	45.7%
$50k – $100k	31.6%	29.3%	30.9%
$100k – $200k	13.0%	13.6%	18.3%
Over $200k	1.1%	4.4%	5.1%

Under $10k 5.9%

$10k–$15k 6.3%

$15k–$25k 7.1%

$25k–$35k 13.7%

$35k–$50k 9.3%

$50k–$75k 21.1%

$75k–$100k 10.3%

$100k–$150k 17.8%

$150k–$200k 3.7%

$200k+ 4.8%

Range	% of households
Under $10k	5.9%
$10k–$15k	6.3%
$15k–$25k	7.1%
$25k–$35k	13.7%
$35k–$50k	9.3%
$50k–$75k	21.1%
$75k–$100k	10.3%
$100k–$150k	17.8%
$150k–$200k	3.7%
$200k+	4.8%
Median income	$57,384

Housing

Home values

Under $50k 5.1%

$50k–$100k 9.4%

$100k–$150k 18.1%

$150k–$200k 24.8%

$200k–$300k 19.7%

$300k–$500k 14.2%

$500k–$1M 8.4%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$183,300
Median rent / month	$1,077
Owner occupied	83.4%
Renter occupied	16.6%
Vacant	15.3%
Single-family detached	77.1%
Large apartment buildings	0.0%
Mobile homes	18.8%
Median rooms	5.6
Avg household size (owned)	2.28

Year built

Era	%
2020 or later	2.6%
2010–2019	6.4%
2000–2009	8.3%
1990–1999	29.2%
1980–1989	21.5%
1970–1979	15.7%
1960–1969	9.8%
1950–1959	2.6%
1940–1949	1.2%
1939 or earlier	2.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.8%
2 bedrooms	14.0%
3 bedrooms	66.1%
4 bedrooms	16.0%
5+ bedrooms	1.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.1%
1 vehicle	27.4%
2 vehicles	40.7%
3 or more	30.8%

Heating fuel

Fuel type	%
Utility gas	27.6%
Electricity	66.9%
Propane / LP gas	5.2%
Wood	0.1%
Solar	0.1%

Households & families

Household type	Count	%
Married-couple family	1,535	54.5%
Cohabiting couple	139	4.9%
Male householder, no spouse	491	17.4%
Female householder, no spouse	652	23.1%
Households with children under 18	854	30.3%
Households with seniors (65+)	802	28.5%
Average household size	2.44

Marital status

Status	Male	Female
Never married	23.8%	16.4%
Married	56.5%	58.3%
Separated	0.5%	4.8%
Widowed	3.1%	9.2%
Divorced	16.1%	11.2%

Education

Less than 9th grade 4.6%

Some HS, no diploma 4.5%

HS graduate 37.1%

Some college, no degree 22.6%

Associate's degree 12.0%

Bachelor's degree 13.6%

Graduate / professional 5.6%

Metric	%
HS diploma or higher	90.9%
Bachelor's or higher	19.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	40	3.0%
Kindergarten	156	11.5%
Elementary school	603	44.6%
High school	234	17.3%
College / grad school	318	23.5%

Employment

Industry of employment

Manufacturing 28.3%

Education & healthcare 20.4%

Professional & management 12.3%

Arts, food & hospitality 10.7%

Retail trade 10.1%

Construction 6.5%

Public administration 3.3%

Finance & real estate 3.1%

Other services 3.0%

Wholesale trade 1.1%

Transportation & utilities 0.5%

Agriculture & mining 0.3%

Information 0.3%

Occupation

Category	%
Management, business & arts	37.1%
Service	13.9%
Sales & office	15.6%
Natural resources & construction	12.8%
Production & transportation	20.6%

Employment type

Type	%
Private sector	77.7%
Government	13.2%
Self-employed	9.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.3%
Carpool	6.2%
Public transit	0.0%
Walk	0.7%
Work from home	11.8%
Other means	0.0%
Avg commute (minutes)	25.0

Poverty

All people 15.4%

Under 18 years 26.0%

18 and over 12.9%

Married-couple families 4.6%

Female-led households 37.5%

Income support

Source	% of households
Social Security	42.0%
Retirement income	24.0%
Supplemental Security	3.7%
Cash public assistance	0.4%
Food stamps / SNAP	8.8%

Health indicators

Condition	%
Obesity	39.4%
High blood pressure	40.7%
High cholesterol	38.0%
Diabetes	12.7%
Heart disease	7.8%
Stroke	3.6%
Asthma	10.3%
Arthritis	31.2%
Kidney disease	3.2%
Pulmonary disease	9.6%
Cancer	7.4%

Behavior / access	%
Smoking	23.6%
Binge drinking	14.0%
No physical activity	25.5%
Less than 7 hrs sleep	34.6%
Depression	26.7%
Fair or poor health	17.3%
Poor mental health	16.7%
Poor physical health	12.4%
No health insurance	15.5%
Visited doctor (checkup)	76.1%
Visited dentist	57.1%
Cholesterol screening	91.1%
Teeth loss	17.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	839	15.2%

Disability	%
Any disability	16.5%
Under 18	5.2%
18–64 years	16.1%
65 and over	31.3%

Health insurance coverage

Type	%
Private insurance	67.0%
Public insurance	39.5%
No insurance	9.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,539	94.8%
Spanish	34	0.5%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	34	0.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,864	99.5%
Born in same state	6,733	97.6%
Born in different state	4,414	64.0%
Foreign born	131	1.9%
Naturalized citizen	35	0.5%
Not a US citizen	17	48.6%

Ancestry

Ancestry	Count	%
Arab	991	14.4%
French	935	13.6%
Italian	491	7.1%

Ancestry	Count	%
Polish	50	0.7%
English	44	0.6%
Dutch	37	0.5%

Technology access

Metric	% of households
Computer access	40.8%
Internet access	90.8%

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

Frequently asked questions about ZIP code 37330

What city is ZIP code 37330 in?

ZIP code 37330 is primarily assigned to Estill Springs, Tennessee.

What county is ZIP code 37330 in?

ZIP code 37330 falls within Franklin County, Tennessee.

Is ZIP code 37330 mostly owner-occupied?

83% of occupied units in ZIP code 37330 are owner-occupied, well above the national average.

Does ZIP code 37330 have a large retiree population?

42% of households in ZIP code 37330 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 37330?

15% of residents in ZIP code 37330 live below the poverty line, above the national average.

Does ZIP code 37330 have a large veteran population?

15% of civilians in ZIP code 37330 are veterans, above the national average of ~7%.

What timezone is ZIP code 37330 in?

ZIP code 37330 observes the CST timezone.