37748 ZIP Code — Harriman, TN

Roane County, Tennessee

ZIP code 37748 is located in Harriman, Tennessee, within Roane County. It covers approximately 106.58 square miles and serves a population of 16,700 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 865.

About ZIP code 37748

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 $160,800. Owner-occupancy is high at 75%, well above the national average.

Median household income is $54,229. 39% 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 28 minutes is near the national average.

College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (25%) compared to national benchmarks.

Overall, ZIP code 37748 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

16,700

population

106.58

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37748 ZIP code map

Cities in ZIP code 37748

Below are the cities the US Postal Service accepts for ZIP code 37748. Using any city not on this list may result in mail delivery delays.

City	Status
Harriman	Acceptable
Harriman	Preferred

Nearby ZIP codes

37763 Kingston (7.3 mi) 37829 Oakdale (10.2 mi) 37840 Oliver Springs (10.2 mi) 37887 Wartburg (11.6 mi) 37830 Oak Ridge (12.7 mi) 37854 Rockwood (13.2 mi) 37771 Lenoir City (13.6 mi) 37774 Loudon (16.3 mi) 37723 Crab Orchard (16.7 mi) 37770 Lancing (16.8 mi) 37846 Philadelphia (17.2 mi) 37932 Knoxville (18.1 mi)

Demographics updated 05/2026

Population
Total population	16,700
Population density	157 / sq mi
State FIPS	47
County FIPS	145

Geography
Land area	106.58 sq mi
Water area	5.72 sq mi
Latitude	35.9428
Longitude	-84.5117
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	53.1%	49.1%	45.7%
$50k – $100k	28.3%	29.9%	30.9%
$100k – $200k	15.6%	17.4%	18.3%
Over $200k	3.0%	3.7%	5.1%

Demographics & statistics

16,700

Population

157

People per sq mi

46.9

Median age

$54,229

Median household income

$31,772

Per capita income

$160,800

Median home value

$747

Median monthly rent

75.2%

Home ownership

13.3%

Poverty rate

3.7%

Unemployment

6,571

Housing units

19.5%

Bachelor's or higher

Age distribution

Male Female

337

Under 5

342

365

5–9

369

515

10–14

522

454

15–19

460

522

20–24

529

874

25–34

885

911

35–44

924

1,331

45–54

1,349

586

55–59

594

743

60–64

752

909

65–74

921

544

75–84

552

204

85+

206

← Male

Female →

Age summary

Group	Count	%
Under 18	3,015	18.1%
18 and over	13,685	81.9%
65 and over	3,336	20.0%
Median age	46.9 years

Race & ethnicity

White 87.2%

Two or more races 5%

Black or African American 4.8%

Hispanic or Latino 2.7%

Asian 0.2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	14,963	87.2%
Two or more races	858	5%
Black or African American	826	4.8%
Hispanic or Latino	466	2.7%
Asian	36	0.2%
American Indian / Alaska Native	10	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	53.1%	49.1%	45.7%
$50k – $100k	28.3%	29.9%	30.9%
$100k – $200k	15.6%	17.4%	18.3%
Over $200k	3.0%	3.7%	5.1%

Under $10k 4.7%

$10k–$15k 6.1%

$15k–$25k 13.9%

$25k–$35k 7.2%

$35k–$50k 15.9%

$50k–$75k 13.9%

$75k–$100k 11.5%

$100k–$150k 16.4%

$150k–$200k 7.5%

$200k+ 2.9%

Range	% of households
Under $10k	4.7%
$10k–$15k	6.1%
$15k–$25k	13.9%
$25k–$35k	7.2%
$35k–$50k	15.9%
$50k–$75k	13.9%
$75k–$100k	11.5%
$100k–$150k	16.4%
$150k–$200k	7.5%
$200k+	2.9%
Median income	$54,229

Housing

Home values

Under $50k 8.9%

$50k–$100k 14.4%

$100k–$150k 21.3%

$150k–$200k 20.9%

$200k–$300k 19.9%

$300k–$500k 10.6%

$500k–$1M 3.0%

$1M+ 1.1%

Housing overview

Metric	Value
Median home value	$160,800
Median rent / month	$747
Owner occupied	75.2%
Renter occupied	24.8%
Vacant	15.3%
Single-family detached	75.0%
Large apartment buildings	2.9%
Mobile homes	14.4%
Median rooms	5.9
Avg household size (owned)	2.42

Year built

Era	%
2020 or later	0.4%
2010–2019	4.1%
2000–2009	10.2%
1990–1999	15.0%
1980–1989	9.8%
1970–1979	20.5%
1960–1969	8.8%
1950–1959	17.6%
1940–1949	4.8%
1939 or earlier	8.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	7.1%
2 bedrooms	26.6%
3 bedrooms	47.8%
4 bedrooms	14.3%
5+ bedrooms	3.7%

Vehicles per household

Vehicles	% of households
No vehicle	8.7%
1 vehicle	23.5%
2 vehicles	33.4%
3 or more	34.4%

Heating fuel

Fuel type	%
Utility gas	34.6%
Electricity	61.0%
Propane / LP gas	2.3%
Fuel oil	0.2%
Wood	1.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	3,460	49.1%
Cohabiting couple	398	5.6%
Male householder, no spouse	1,202	17.1%
Female householder, no spouse	1,987	28.2%
Households with children under 18	1,863	26.4%
Households with seniors (65+)	2,458	34.9%
Average household size	2.34

Marital status

Status	Male	Female
Never married	29.4%	17.5%
Married	50.3%	48.9%
Separated	0.8%	1.9%
Widowed	4.6%	14.4%
Divorced	14.8%	17.3%

Education

Less than 9th grade 4.4%

Some HS, no diploma 7.5%

HS graduate 37.5%

Some college, no degree 20.5%

Associate's degree 10.5%

Bachelor's degree 12.5%

Graduate / professional 7.0%

Metric	%
HS diploma or higher	88.0%
Bachelor's or higher	19.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	106	3.6%
Kindergarten	105	3.6%
Elementary school	1,521	52.1%
High school	681	23.3%
College / grad school	508	17.4%

Employment

Industry of employment

Education & healthcare 21.5%

Professional & management 13.3%

Manufacturing 10.6%

Construction 9.9%

Retail trade 9.5%

Arts, food & hospitality 8.4%

Public administration 8.1%

Transportation & utilities 6.4%

Other services 4.7%

Finance & real estate 4.0%

Information 1.6%

Wholesale trade 1.1%

Agriculture & mining 0.8%

Occupation

Category	%
Management, business & arts	37.0%
Service	17.6%
Sales & office	18.4%
Natural resources & construction	10.4%
Production & transportation	16.6%

Employment type

Type	%
Private sector	71.3%
Government	22.7%
Self-employed	5.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.0%
Carpool	8.3%
Public transit	0.0%
Walk	1.9%
Work from home	5.0%
Other means	0.8%
Avg commute (minutes)	28.4

Poverty

All people 13.3%

Under 18 years 17.7%

18 and over 12.3%

Married-couple families 5.9%

Female-led households 27.7%

Income support

Source	% of households
Social Security	39.0%
Retirement income	30.9%
Supplemental Security	7.4%
Cash public assistance	2.6%
Food stamps / SNAP	14.7%

Health indicators

Condition	%
Obesity	38.2%
High blood pressure	42.7%
High cholesterol	38.8%
Diabetes	14.3%
Heart disease	8.8%
Stroke	4.2%
Asthma	10.6%
Arthritis	33.7%
Kidney disease	3.6%
Pulmonary disease	11.1%
Cancer	7.6%

Behavior / access	%
Smoking	24.7%
Binge drinking	13.3%
No physical activity	28.9%
Less than 7 hrs sleep	36.4%
Depression	27.1%
Fair or poor health	19.8%
Poor mental health	17.7%
Poor physical health	13.8%
No health insurance	17.0%
Visited doctor (checkup)	74.9%
Visited dentist	54.5%
Cholesterol screening	90.1%
Teeth loss	21.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,162	8.5%

Disability	%
Any disability	19.4%
Under 18	7.2%
18–64 years	14.9%
65 and over	45.3%

Health insurance coverage

Type	%
Private insurance	63.0%
Public insurance	45.6%
No insurance	9.1%
Uninsured under 19	1.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	16,021	95.9%
Spanish	44	0.3%
Other Indo-European	19	0.1%
Asian & Pacific Islander	14	0.1%
Other languages	11	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	16,546	99.1%
Born in same state	16,379	98.1%
Born in different state	11,316	67.8%
Foreign born	167	1.0%
Naturalized citizen	154	0.9%
Not a US citizen	154	100.0%

Ancestry

Ancestry	Count	%
Arab	2,307	13.8%
French	1,942	11.6%
Italian	1,285	7.7%

Ancestry	Count	%
English	136	0.8%
German	72	0.4%
Polish	22	0.1%

Technology access

Metric	% of households
Computer access	42.2%
Internet access	91.1%

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

Frequently asked questions about ZIP code 37748

What city is ZIP code 37748 in?

ZIP code 37748 is primarily assigned to Harriman, Tennessee.

What county is ZIP code 37748 in?

ZIP code 37748 falls within Roane County, Tennessee.

Does ZIP code 37748 have a large retiree population?

39% of households in ZIP code 37748 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 37748?

The median home value in ZIP code 37748 is $160,800.

What is the population of ZIP code 37748?

ZIP code 37748 has an estimated population of 16,700 residents, with a density of 157 people per square mile.

What is the median household income in ZIP code 37748?

The median household income in ZIP code 37748 is $54,229, below the national median of ~$75,000.

What timezone is ZIP code 37748 in?

ZIP code 37748 observes the EST timezone.