37840 ZIP Code — Oliver Springs, TN

Roane County, Tennessee

ZIP code 37840 is located in Oliver Springs, Tennessee, within Roane County. It covers approximately 80.72 square miles and serves a population of 10,451 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 865/423.

About ZIP code 37840

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $181,300. Owner-occupancy is high at 77%, well above the national average.

The gap between median ($58,559) and mean household income suggests income inequality — a small number of higher earners pull the average up. 42% 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. The average commute of 30 minutes is near the national average.

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.

Overall, ZIP code 37840 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

10,451

population

80.72

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37840 ZIP code map

Cities in ZIP code 37840

Below are the cities the US Postal Service accepts for ZIP code 37840. Using any city not on this list may result in mail delivery delays.

City	Status
Oliver Springs	Acceptable
Oliver Springs	Preferred

Nearby ZIP codes

37830 Oak Ridge (7 mi) 37710 Briceville (8.8 mi) 37748 Harriman (10.2 mi) 37887 Wartburg (11.1 mi) 37716 Clinton (11.8 mi) 37932 Knoxville (13.3 mi) 37931 Knoxville (14.4 mi) 37771 Lenoir City (15.1 mi) 37763 Kingston (16 mi) 37934 Farragut (16.1 mi) 37829 Oakdale (16.7 mi) 37769 Rocky Top (17.4 mi)

Demographics updated 05/2026

Population
Total population	10,451
Population density	129 / sq mi
State FIPS	47
County FIPS	145

Geography
Land area	80.72 sq mi
Water area	0.00 sq mi
Latitude	36.0417
Longitude	-84.3752
Timezone	Eastern (ET)
Area code	865/423

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	51.0%	49.1%	45.7%
$50k – $100k	29.7%	29.9%	30.9%
$100k – $200k	17.8%	17.4%	18.3%
Over $200k	1.4%	3.7%	5.1%

Demographics & statistics

10,451

Population

129

People per sq mi

42.5

Median age

$58,559

Median household income

$34,011

Per capita income

$181,300

Median home value

$770

Median monthly rent

76.9%

Home ownership

16.2%

Poverty rate

7.6%

Unemployment

3,154

Housing units

14.9%

Bachelor's or higher

Age distribution

Male Female

206

Under 5

196

404

5–9

384

446

10–14

424

293

15–19

279

312

20–24

297

553

25–34

526

566

35–44

539

643

45–54

612

276

55–59

263

452

60–64

430

707

65–74

673

459

75–84

438

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,469	23.6%
18 and over	7,982	76.4%
65 and over	2,350	22.5%
Median age	42.5 years

Race & ethnicity

White 91.8%

Two or more races 3.9%

Hispanic or Latino 3.1%

Other race 1%

Asian 0.2%

Group	Count	%
White	9,893	91.8%
Two or more races	425	3.9%
Hispanic or Latino	330	3.1%
Other race	108	1%
Asian	25	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	51.0%	49.1%	45.7%
$50k – $100k	29.7%	29.9%	30.9%
$100k – $200k	17.8%	17.4%	18.3%
Over $200k	1.4%	3.7%	5.1%

Under $10k 6.4%

$10k–$15k 7.3%

$15k–$25k 6.4%

$25k–$35k 9.0%

$35k–$50k 15.2%

$50k–$75k 12.8%

$75k–$100k 15.0%

$100k–$150k 15.8%

$150k–$200k 8.4%

$200k+ 3.6%

Range	% of households
Under $10k	6.4%
$10k–$15k	7.3%
$15k–$25k	6.4%
$25k–$35k	9.0%
$35k–$50k	15.2%
$50k–$75k	12.8%
$75k–$100k	15.0%
$100k–$150k	15.8%
$150k–$200k	8.4%
$200k+	3.6%
Median income	$58,559

Housing

Home values

Under $50k 11.6%

$50k–$100k 13.3%

$100k–$150k 16.5%

$150k–$200k 16.8%

$200k–$300k 26.3%

$300k–$500k 13.0%

$500k–$1M 1.5%

$1M+ 0.9%

Housing overview

Metric	Value
Median home value	$181,300
Median rent / month	$770
Owner occupied	76.9%
Renter occupied	23.1%
Vacant	3.3%
Single-family detached	74.8%
Large apartment buildings	0.0%
Mobile homes	18.2%
Median rooms	6.1
Avg household size (owned)	2.76

Year built

Era	%
2020 or later	0.2%
2010–2019	7.9%
2000–2009	8.4%
1990–1999	16.6%
1980–1989	17.6%
1970–1979	23.1%
1960–1969	8.7%
1950–1959	9.3%
1940–1949	4.7%
1939 or earlier	3.6%

Bedrooms

Size	% of units
No bedroom (studio)	3.8%
1 bedroom	0.6%
2 bedrooms	21.4%
3 bedrooms	52.5%
4 bedrooms	19.1%
5+ bedrooms	2.6%

Vehicles per household

Vehicles	% of households
No vehicle	3.4%
1 vehicle	25.2%
2 vehicles	28.9%
3 or more	42.4%

Heating fuel

Fuel type	%
Utility gas	43.6%
Electricity	51.8%
Propane / LP gas	2.9%
Wood	1.7%

Households & families

Household type	Count	%
Married-couple family	2,020	51.4%
Cohabiting couple	251	6.4%
Male householder, no spouse	790	20.1%
Female householder, no spouse	866	22.1%
Households with children under 18	1,350	34.4%
Households with seniors (65+)	1,571	40.0%
Average household size	2.66

Marital status

Status	Male	Female
Never married	23.3%	20.1%
Married	51.2%	49.9%
Separated	0.8%	1.7%
Widowed	2.7%	11.2%
Divorced	22.0%	17.1%

Education

Less than 9th grade 5.5%

Some HS, no diploma 5.6%

HS graduate 38.4%

Some college, no degree 25.1%

Associate's degree 10.5%

Bachelor's degree 9.2%

Graduate / professional 5.8%

Metric	%
HS diploma or higher	88.9%
Bachelor's or higher	14.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	52	2.1%
Kindergarten	58	2.4%
Elementary school	1,251	51.6%
High school	651	26.8%
College / grad school	414	17.1%

Employment

Industry of employment

Education & healthcare 22.0%

Professional & management 13.7%

Manufacturing 11.6%

Construction 10.8%

Retail trade 10.8%

Arts, food & hospitality 10.0%

Public administration 6.8%

Transportation & utilities 6.6%

Wholesale trade 3.2%

Other services 2.1%

Finance & real estate 1.7%

Information 0.6%

Occupation

Category	%
Management, business & arts	37.8%
Service	16.5%
Sales & office	14.8%
Natural resources & construction	16.2%
Production & transportation	14.7%

Employment type

Type	%
Private sector	67.5%
Government	23.4%
Self-employed	9.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	85.3%
Carpool	10.9%
Public transit	0.0%
Walk	0.0%
Work from home	3.4%
Other means	0.5%
Avg commute (minutes)	29.7

Poverty

All people 16.2%

Under 18 years 23.6%

18 and over 14.0%

Married-couple families 1.7%

Female-led households 38.9%

Income support

Source	% of households
Social Security	41.9%
Retirement income	26.4%
Supplemental Security	8.8%
Cash public assistance	0.3%
Food stamps / SNAP	17.0%

Health indicators

Condition	%
Obesity	38.5%
High blood pressure	41.7%
High cholesterol	37.5%
Diabetes	13.6%
Heart disease	8.4%
Stroke	4.0%
Asthma	11.0%
Arthritis	32.8%
Kidney disease	3.5%
Pulmonary disease	11.0%
Cancer	7.2%

Behavior / access	%
Smoking	26.0%
Binge drinking	13.9%
No physical activity	28.6%
Less than 7 hrs sleep	36.6%
Depression	27.9%
Fair or poor health	19.7%
Poor mental health	18.1%
Poor physical health	13.8%
No health insurance	16.9%
Visited doctor (checkup)	74.3%
Visited dentist	52.8%
Cholesterol screening	89.6%
Teeth loss	20.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	882	11.0%

Disability	%
Any disability	20.2%
Under 18	5.5%
18–64 years	16.6%
65 and over	44.4%

Health insurance coverage

Type	%
Private insurance	61.2%
Public insurance	45.5%
No insurance	9.9%
Uninsured under 19	1.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	10,049	96.2%
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)	10,424	99.7%
Born in same state	10,229	97.9%
Born in different state	7,890	75.5%
Foreign born	195	1.9%
Naturalized citizen	27	0.3%
Not a US citizen	27	100.0%

Ancestry

Ancestry	Count	%
Italian	1,667	16%
French	1,289	12.3%
Arab	1,026	9.8%

Ancestry	Count	%
German	117	1.1%
English	51	0.5%
Polish	28	0.3%

Technology access

Metric	% of households
Computer access	37.6%
Internet access	89.9%

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

Frequently asked questions about ZIP code 37840

What city is ZIP code 37840 in?

ZIP code 37840 is primarily assigned to Oliver Springs, Tennessee.

What county is ZIP code 37840 in?

ZIP code 37840 falls within Roane County, Tennessee.

How educated is the population of ZIP code 37840?

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 37840 have a large retiree population?

42% of households in ZIP code 37840 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 37840?

16% of residents in ZIP code 37840 live below the poverty line, above the national average.

Does ZIP code 37840 have a large veteran population?

11% of civilians in ZIP code 37840 are veterans, above the national average of ~7%.

What timezone is ZIP code 37840 in?

ZIP code 37840 observes the EST timezone.