Postal Codes

37321 ZIP Code

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ZIP code 37321 covers Dayton, Tennessee, with a population of about 20,670 and a median household income of $59,182.

Population
20,670181 per square mile
Median age
38.7about the US average
Median household income
$59,18212% below the Tennessee median
Poverty rate
14.3%1.9 points above the US average
Typical home value
$266,753up 31.2% in five years
Median rent
$81927% below the Tennessee median
Degree or higher
18.4%16.6 points below the US average
Homeownership
70.1%5.1 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
381

Where 37321 is

Dayton, 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

Population20,670
Median age38.7
Family households79.3%
Born outside the US4.6%
Speaks a language other than English at home7%
White (non-Hispanic)83.6%
Black (non-Hispanic)1.2%
Asian (non-Hispanic)1.1%
Hispanic or Latino9.2%
Veterans6.6%
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$59,182
Income per person$27,028
Poverty rate14.3%
Households on SNAP or cash assistance16.3%

Household income distribution

Under $10k4.5%
$10–15k8.0%
$15–20k2.4%
$20–25k2.9%
$25–30k4.4%
$30–35k3.1%
$35–40k2.5%
$40–45k6.6%
$45–50k4.3%
$50–60k12.6%
$60–75k14.4%
$75–100k13.6%
$100–125k8.2%
$125–150k5.8%
$150–200k3.9%
$200k or more2.6%

Income as declared to the IRS

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

Tax returns filed8,330
Mean adjusted gross income$61,390
Returns declaring $200,000 or more3.2%
Returns, under $25k31.6%
Returns, $25k–$50k28.1%
Returns, $50k–$75k15.2%
Returns, $75k–$100k10.0%
Returns, $100k–$200k11.9%
Returns, $200k or more3.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$168,000
Median gross rent$819
Rent as a share of household income23.5%
Owner-occupied70.1%
Vacant homes11.1%
Median year built1993

What the homes are

Detached house67.6%
Attached house0.7%
2 to 4 units14.2%
5 to 19 units1.2%
20 or more units0.4%
Mobile home15.7%
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$266,753as of 2026-07
Typical home value, 1 yearup 3.1%
Typical home value, 5 yearsup 31.2%
Typical home value, 10 yearsup 105.5%
Typical home value since 2000
200020132026$266,753$79,054

$79,054 in 2000 to $266,753 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.5%
Bachelor's degree or higher18.4%
High school diploma or higher83.6%
Works from home4.7%
Drives to work alone82.5%
Takes public transport0.4%
Commutes 45 minutes or more20.8%
Health

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

Obesity42.2% 8.8 pts above the national average of 33.4%
Diagnosed diabetes14.8% 2.8 pts above the national average of 12%
Currently smokes21.3% 8.1 pts above the national average of 13.2%
High blood pressure41.5% 7.4 pts above the national average of 34.1%
Fair or poor general health26.7% 6.4 pts above the national average of 20.3%
No health insurance (18–64)14.4% 3.1 pts above the national average of 11.3%
Depression30.3% 8.4 pts above the national average of 21.9%
No leisure-time physical activity30.9% 5.5 pts above the national average of 25.4%
Arthritis34.2% 9.1 pts above the national average of 25.1%
Binge drinking14% 2 pts below the national average of 16%
Taking blood pressure medication76.6% 1.9 pts above the national average of 74.7%
Cancer (non-skin)8.8% 1.1 pts above the national average of 7.7%
Current asthma11.2% 0.8 pts above the national average of 10.4%
Coronary heart disease8.1% 1.9 pts above the national average of 6.2%
Routine check-up in past year77.4% 0.7 pts above the national average of 76.7%
Cholesterol screening84.4% 1.5 pts below the national average of 85.9%
Cognitive disability20.6% 5.8 pts above the national average of 14.8%
Colorectal screening59.2% 5.1 pts below the national average of 64.3%
COPD10.9% 4.3 pts above the national average of 6.6%
Visited a dentist51.8% 9.5 pts below the national average of 61.3%
Any disability40.3% 9.6 pts above the national average of 30.7%
Hearing disability9.1% 2.4 pts above the national average of 6.7%
High cholesterol39.6% 3.4 pts above the national average of 36.2%
Independent living disability11.3% 2.9 pts above the national average of 8.4%
Mammography use73.9% 2 pts below the national average of 75.9%
Poor mental health (14+ days)21% 4.2 pts above the national average of 16.8%
Mobility disability18.7% 4.7 pts above the national average of 14%
Poor physical health (14+ days)17.4% 3.9 pts above the national average of 13.5%
Self-care disability4.9% 0.9 pts above the national average of 4%
Sleeps under 7 hours41% 4.6 pts above the national average of 36.4%
Stroke4.2% 0.8 pts above the national average of 3.4%
All natural teeth lost21.9% 8.9 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 establishments381
People employed7,663
Annual payroll$295,789,000
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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 72.5% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 5 census tracts this ZIP code covers
Expected annual loss74.2 out of 100
Community resilience26.2 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.

Landslide94.9Relatively Low at its worst in this ZIP code
Strong wind93.6Very High at its worst in this ZIP code
Lightning91.3Very High at its worst in this ZIP code
Cold wave84.8Relatively High at its worst in this ZIP code
Wildfire82.4Relatively Moderate at its worst in this ZIP code
River flooding81.5Very High at its worst in this ZIP code
Tornado79.2Very High at its worst in this ZIP code
Earthquake77.9Relatively Moderate at its worst in this ZIP code
Winter weather75.5Relatively High at its worst in this ZIP code
Hail70.1Relatively Moderate at its worst in this ZIP code
Drought67.2Relatively Low at its worst in this ZIP code
Ice storm57.6Relatively Moderate at its worst in this ZIP code
Hurricane49.8Relatively Low at its worst in this ZIP code
Heat wave28.7Relatively 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$59,182$67,097$78,538
Income per person$27,028$37,866$43,289
Poverty rate14.3%13.8%12.4%
Median home value$168,000$256,800$303,400
Median gross rent$819$1,122$1,348
Homeownership70.1%67%65%
Bachelor's degree or higher18.4%30.4%35%
Unemployment rate6.5%4.7%5.2%
Works from home4.7%11.4%13.5%
Born outside the US4.6%5.9%13.9%
Median age38.738.938.7
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 stationDAYTON 2SE, TN US3.5 km away
Rain in a year59 in
Snow in a year2 in

Average high and low by month

January47.4°F / 28.3°F5.21 in rain, 0.3 in snow
February52°F / 31.4°F5.09 in rain, 0.6 in snow
March60.9°F / 37.6°F5.33 in rain, 0.4 in snow
April70.5°F / 46.1°F5.38 in rain
May78°F / 55°F4.79 in rain
June84.7°F / 63.4°F4.5 in rain
July87.6°F / 67°F5.29 in rain
August87.4°F / 65.9°F3.88 in rain
September82.1°F / 59.6°F4.82 in rain
October71.2°F / 47.5°F3.62 in rain
November59.4°F / 37°F4.79 in rain
December50.3°F / 31.3°F6.04 in rain, 0.3 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 supermarket49% of this ZIP code's area
Far from a supermarket49% of this ZIP code's area
No vehicle and far from a supermarket54% 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 4 school districts, so the address decides which one, not the ZIP code.

Rhea County School District81.6% of this ZIP code's land area
Dayton City Elementary School District6.9% of this ZIP code's land area
Rhea County School District in Dayton6.9% of this ZIP code's land area
Bledsoe County School District4.5% 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 vulnerability72more vulnerable than 72% of US census tracts
Socioeconomic status70more vulnerable than 70% of US census tracts
Household characteristics82more vulnerable than 82% of US census tracts
Racial and ethnic minority status24more vulnerable than 24% of US census tracts
Housing type and transport66more vulnerable than 66% of US census tracts
Walkability4.6 out of 20Least walkable
Nearby ZIP codes

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

37332 Evensville, TN12.8 km away
37373 Sale Creek, TN15.1 km away
37338 Graysville, TN16.1 km away
37308 Birchwood, TN17.1 km away
37322 Decatur, TN18.6 km away
37304 Bakewell, TN20.6 km away
37367 Pikeville, TN23.5 km away
37336 Georgetown, TN24.8 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.

Rhea County95.1% of this ZIP code's land area
Bledsoe County4.9% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area114.01 sq mi
Water area5.94 sq mi
Population density181 people per sq mi
Latitude, longitude35.5002, -85.0135

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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