Postal Codes

37748 ZIP Code

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ZIP code 37748 covers Harriman, Tennessee, with a population of about 17,021 and a median household income of $58,649.

Population
17,021160 per square mile
Median age
47.18.4 points above the US average
Median household income
$58,64913% below the Tennessee median
Poverty rate
15.5%3.1 points above the US average
Typical home value
$240,668up 31.8% in five years
Median rent
$76032% below the Tennessee median
Degree or higher
20.2%14.8 points below the US average
Homeownership
74.6%9.6 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
284

Where 37748 is

Harriman, Tennessee — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population17,021
Median age47.1
Family households63.8%
Born outside the US0.8%
Speaks a language other than English at home1.1%
White (non-Hispanic)89.7%
Black (non-Hispanic)4.4%
Asian (non-Hispanic)0.1%
Hispanic or Latino1.8%
Veterans7.5%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$58,649
Income per person$30,639
Poverty rate15.5%
Households on SNAP or cash assistance16.1%

Household income distribution

Under $10k4.3%
$10–15k7.3%
$15–20k4.0%
$20–25k8.0%
$25–30k4.7%
$30–35k2.9%
$35–40k4.6%
$40–45k2.3%
$45–50k5.5%
$50–60k7.1%
$60–75k10.9%
$75–100k12.1%
$100–125k8.3%
$125–150k8.7%
$150–200k7.2%
$200k or more2.3%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed7,690
Mean adjusted gross income$64,204
Returns declaring $200,000 or more3%
Returns, under $25k30.3%
Returns, $25k–$50k26.0%
Returns, $50k–$75k14.8%
Returns, $75k–$100k10.8%
Returns, $100k–$200k15.1%
Returns, $200k or more3.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$173,600
Median gross rent$760
Rent as a share of household income31.4%
Owner-occupied74.6%
Vacant homes13.7%
Median year built1975

What the homes are

Detached house74.7%
Attached house1.4%
2 to 4 units5.4%
5 to 19 units1%
20 or more units2.3%
Mobile home15.1%
Boat, RV or van0.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$240,668as of 2026-07
Typical home value, 1 yearup 4.9%
Typical home value, 5 yearsup 31.8%
Typical home value, 10 yearsup 105%
Typical home value since 2000
200020132026$240,668$76,199

$76,199 in 2000 to $240,668 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3%
Bachelor's degree or higher20.2%
High school diploma or higher87.2%
Works from home4.9%
Drives to work alone86.9%
Takes public transport0%
Commutes 45 minutes or more16.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity39% 5.6 pts above the national average of 33.4%
Diagnosed diabetes15.6% 3.6 pts above the national average of 12%
Currently smokes21.4% 8.2 pts above the national average of 13.2%
High blood pressure44.1% 10 pts above the national average of 34.1%
Fair or poor general health26.8% 6.5 pts above the national average of 20.3%
No health insurance (18–64)11.9% 0.6 pts above the national average of 11.3%
Depression30.8% 8.9 pts above the national average of 21.9%
No leisure-time physical activity31.6% 6.2 pts above the national average of 25.4%
Arthritis37.6% 12.5 pts above the national average of 25.1%
Binge drinking13.5% 2.5 pts below the national average of 16%
Taking blood pressure medication78.9% 4.2 pts above the national average of 74.7%
Cancer (non-skin)9.9% 2.2 pts above the national average of 7.7%
Current asthma11.4% 1 pts above the national average of 10.4%
Coronary heart disease9.2% 3 pts above the national average of 6.2%
Routine check-up in past year79.2% 2.5 pts above the national average of 76.7%
Cholesterol screening86.3% same as the national average of 85.9%
Cognitive disability19.4% 4.6 pts above the national average of 14.8%
Colorectal screening63% 1.3 pts below the national average of 64.3%
COPD11.8% 5.2 pts above the national average of 6.6%
Visited a dentist55.1% 6.2 pts below the national average of 61.3%
Any disability41.4% 10.7 pts above the national average of 30.7%
Hearing disability9.8% 3.1 pts above the national average of 6.7%
High cholesterol42% 5.8 pts above the national average of 36.2%
Independent living disability11.5% 3.1 pts above the national average of 8.4%
Mammography use72.2% 3.7 pts below the national average of 75.9%
Poor mental health (14+ days)20.1% 3.3 pts above the national average of 16.8%
Mobility disability20.8% 6.8 pts above the national average of 14%
Poor physical health (14+ days)18.2% 4.7 pts above the national average of 13.5%
Self-care disability5.2% 1.2 pts above the national average of 4%
Sleeps under 7 hours40% 3.6 pts above the national average of 36.4%
Stroke4.7% 1.3 pts above the national average of 3.4%
All natural teeth lost21% 8 pts above the national average of 13%
Vision disability6.6% 1 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments284
People employed3,185
Annual payroll$116,314,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 62.7% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 9 census tracts this ZIP code covers
Expected annual loss57.2 out of 100
Community resilience26.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide96.8Relatively Moderate at its worst in this ZIP code
Cold wave93.4Very High at its worst in this ZIP code
Strong wind90.8Relatively High at its worst in this ZIP code
Lightning88Very High at its worst in this ZIP code
Winter weather82.3Relatively High at its worst in this ZIP code
Wildfire77.6Relatively Low at its worst in this ZIP code
Earthquake75Relatively Moderate at its worst in this ZIP code
Tornado71Relatively High at its worst in this ZIP code
River flooding66Relatively High at its worst in this ZIP code
Ice storm65.6Relatively Moderate at its worst in this ZIP code
Hurricane44.9Relatively Low at its worst in this ZIP code
Hail42.3Relatively Low at its worst in this ZIP code
Drought16.1Very Low at its worst in this ZIP code
Heat wave10.4Relatively Low at its worst in this ZIP code
Compared with Tennessee and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPTennesseeUnited States
Median household income$58,649$67,097$78,538
Income per person$30,639$37,866$43,289
Poverty rate15.5%13.8%12.4%
Median home value$173,600$256,800$303,400
Median gross rent$760$1,122$1,348
Homeownership74.6%67%65%
Bachelor's degree or higher20.2%30.4%35%
Unemployment rate3%4.7%5.2%
Works from home4.9%11.4%13.5%
Born outside the US0.8%5.9%13.9%
Median age47.138.938.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationKINGSTON, TN US8.7 km away
Rain in a year59 in
Snow in a year2 in

Average high and low by month

January46.3°F / 27.9°F5.46 in rain, 1.1 in snow
February51.2°F / 30.4°F5.95 in rain, 0.6 in snow
March60.5°F / 37.2°F5.37 in rain
April70.4°F / 45.6°F5.46 in rain
May78.1°F / 55.7°F4.66 in rain
June85°F / 64.2°F4.72 in rain
July87.7°F / 68°F5.21 in rain
August87.1°F / 66.8°F3.9 in rain
September82.1°F / 61°F4.27 in rain
October71.6°F / 48.2°F3.22 in rain
November58.8°F / 37.4°F4.54 in rain
December49°F / 31.6°F6.05 in rain, 0.1 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket14% of this ZIP code's area
No vehicle and far from a supermarket24% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Roane County School District69.4% of this ZIP code's land area
Morgan County School District29.9% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability47more vulnerable than 47% of US census tracts
Socioeconomic status61more vulnerable than 61% of US census tracts
Household characteristics36more vulnerable than 36% of US census tracts
Racial and ethnic minority status14more vulnerable than 14% of US census tracts
Housing type and transport46more vulnerable than 46% of US census tracts
Walkability4.4 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

37763 Kingston, TN9.3 km away
37829 Oakdale, TN9.9 km away
37719 Coalfield, TN13.5 km away
37854 Rockwood, TN17.4 km away
37840 Oliver Springs, TN18.8 km away
37887 Wartburg, TN19.1 km away
37845 Petros, TN19.1 km away
37830 Oak Ridge, TN24.5 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Roane County70.1% of this ZIP code's land area
Morgan County29.9% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area106.58 sq mi
Water area5.72 sq mi
Population density160 people per sq mi
Latitude, longitude35.9348, -84.5155

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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