Postal Codes

37318 ZIP Code

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ZIP code 37318 covers Cowan, Tennessee, with a population of about 2,245 and a median household income of $41,484.

Population
2,245181 per square mile
Median age
353.7 points below the US average
Median household income
$41,48438% below the Tennessee median
Poverty rate
32.5%20.1 points above the US average
Typical home value
$189,964up 37% in five years
Median rent
$71536% below the Tennessee median
Degree or higher
11.8%23.2 points below the US average
Homeownership
62.2%2.8 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
24

Where 37318 is

Cowan, 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

Population2,245
Median age35
Family households66.9%
Born outside the US0.3%
Speaks a language other than English at home0.9%
White (non-Hispanic)86%
Black (non-Hispanic)9.1%
Asian (non-Hispanic)0%
Hispanic or Latino0.9%
Veterans11.3%
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$41,484
Income per person$20,965
Poverty rate32.5%
Households on SNAP or cash assistance27.3%

Household income distribution

Under $10k11.8%
$10–15k6.5%
$15–20k5.8%
$20–25k4.9%
$25–30k3.1%
$30–35k5.3%
$35–40k11.4%
$40–45k3.8%
$45–50k0.5%
$50–60k10.9%
$60–75k6.6%
$75–100k8.7%
$100–125k10.9%
$125–150k6.9%
$150–200k1.0%
$200k or more2.1%

Income as declared to the IRS

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

Tax returns filed880
Mean adjusted gross income$48,426
Returns declaring $200,000 or more0%
Returns, under $25k36.4%
Returns, $25k–$50k29.5%
Returns, $50k–$75k15.9%
Returns, $75k–$100k6.8%
Returns, $100k–$200k11.4%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$132,200
Median gross rent$715
Rent as a share of household income28.2%
Owner-occupied62.2%
Vacant homes4.2%
Median year built1973

What the homes are

Detached house67.4%
Attached house0.7%
2 to 4 units15.1%
5 to 19 units0.6%
20 or more units1.5%
Mobile home14.6%
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$189,964as of 2026-07
Typical home value, 1 yearup 0.7%
Typical home value, 5 yearsup 37%
Typical home value, 10 yearsup 110.8%
Typical home value since 2000
200020132026$191,204$52,942

$52,942 in 2000 to $189,964 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate10.2%
Bachelor's degree or higher11.8%
High school diploma or higher81%
Works from home5%
Drives to work alone75.9%
Takes public transport0%
Commutes 45 minutes or more12.1%
Health

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

Obesity38.9% 5.5 pts above the national average of 33.4%
Diagnosed diabetes16.9% 4.9 pts above the national average of 12%
Currently smokes22.6% 9.4 pts above the national average of 13.2%
High blood pressure45.5% 11.4 pts above the national average of 34.1%
Fair or poor general health28.4% 8.1 pts above the national average of 20.3%
No health insurance (18–64)12.9% 1.6 pts above the national average of 11.3%
Depression31% 9.1 pts above the national average of 21.9%
No leisure-time physical activity34.1% 8.7 pts above the national average of 25.4%
Arthritis36.6% 11.5 pts above the national average of 25.1%
Binge drinking13% 3 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)9.5% 1.8 pts above the national average of 7.7%
Current asthma11.8% 1.4 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 year78.9% 2.2 pts above the national average of 76.7%
Cholesterol screening85.6% same as the national average of 85.9%
Cognitive disability20.4% 5.6 pts above the national average of 14.8%
Colorectal screening60.9% 3.4 pts below the national average of 64.3%
COPD12.4% 5.8 pts above the national average of 6.6%
Visited a dentist50.2% 11.1 pts below the national average of 61.3%
Any disability43.1% 12.4 pts above the national average of 30.7%
Hearing disability9.8% 3.1 pts above the national average of 6.7%
High cholesterol42.3% 6.1 pts above the national average of 36.2%
Independent living disability12.1% 3.7 pts above the national average of 8.4%
Mammography use72.6% 3.3 pts below the national average of 75.9%
Poor mental health (14+ days)20.9% 4.1 pts above the national average of 16.8%
Mobility disability22.1% 8.1 pts above the national average of 14%
Poor physical health (14+ days)18.4% 4.9 pts above the national average of 13.5%
Self-care disability5.6% 1.6 pts above the national average of 4%
Sleeps under 7 hours42.2% 5.8 pts above the national average of 36.4%
Stroke4.9% 1.5 pts above the national average of 3.4%
All natural teeth lost20.2% 7.2 pts above the national average of 13%
Vision disability7.3% 1.7 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments24
People employed116
Annual payroll$4,343,000
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 76.4% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss78.3 out of 100
Community resilience30.5 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.

Drought95.2Relatively Moderate at its worst in this ZIP code
Cold wave94.6Relatively High at its worst in this ZIP code
Tornado91Relatively High at its worst in this ZIP code
Strong wind89.3Relatively High at its worst in this ZIP code
Winter weather89.2Relatively High at its worst in this ZIP code
River flooding80.8Relatively High at its worst in this ZIP code
Landslide77.8Very Low at its worst in this ZIP code
Ice storm75Relatively Moderate at its worst in this ZIP code
Earthquake74Relatively Low at its worst in this ZIP code
Lightning72.5Relatively Moderate at its worst in this ZIP code
Hail67.6Relatively Low at its worst in this ZIP code
Wildfire60.7Very Low at its worst in this ZIP code
Hurricane49.5Very Low at its worst in this ZIP code
Heat wave39.1Relatively 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$41,484$67,097$78,538
Income per person$20,965$37,866$43,289
Poverty rate32.5%13.8%12.4%
Median home value$132,200$256,800$303,400
Median gross rent$715$1,122$1,348
Homeownership62.2%67%65%
Bachelor's degree or higher11.8%30.4%35%
Unemployment rate10.2%4.7%5.2%
Works from home5%11.4%13.5%
Born outside the US0.3%5.9%13.9%
Median age3538.938.7
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 stationWINCHESTER 5SE, TN US2.3 km away
Rain in a year58 in
Snow in a year4 in

Average high and low by month

January48.9°F / 30.2°F4.78 in rain, 1.4 in snow
February53.1°F / 33.1°F5.4 in rain, 1 in snow
March61.4°F / 39.7°F5.76 in rain, 1 in snow
April70.8°F / 47.4°F5.06 in rain
May78.1°F / 56.1°F4.77 in rain
June84.6°F / 64.1°F5.2 in rain
July87.3°F / 67.9°F4.68 in rain
August87.1°F / 66.4°F3.91 in rain
September82°F / 60°F4.27 in rain
October72°F / 48.5°F3.43 in rain
November60.5°F / 38°F4.66 in rain
December51.8°F / 33.1°F5.75 in rain, 0.7 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 supermarketNone of this ZIP code
No vehicle and far from a supermarket100% 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%.

Franklin County School District100% 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 vulnerability86more vulnerable than 86% of US census tracts
Socioeconomic status76more vulnerable than 76% of US census tracts
Household characteristics92more vulnerable than 92% of US census tracts
Racial and ethnic minority status15more vulnerable than 15% of US census tracts
Housing type and transport92more vulnerable than 92% of US census tracts
Walkability3.9 out of 20Least walkable
Nearby ZIP codes

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

37324 Decherd, TN7.2 km away
37398 Winchester, TN8.8 km away
37375 Sewanee, TN9.8 km away
37383 Sewanee, TN10.3 km away
37306 Belvidere, TN14.8 km away
37330 Estill Springs, TN15.2 km away
37376 Sherwood, TN16.8 km away
37356 Monteagle, TN18.9 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.

Franklin County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area12.41 sq mi
Population density181 people per sq mi
Latitude, longitude35.1783, -86.0167

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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