Postal Codes

37774 ZIP Code

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ZIP code 37774 covers Loudon, Tennessee, with a population of about 20,989 and a median household income of $83,724.

Population
20,989238 per square mile
Median age
57.819.1 points above the US average
Median household income
$83,7241.2× the Tennessee median
Poverty rate
10%2.4 points below the US average
Typical home value
$503,146up 30.7% in five years
Median rent
$92917% below the Tennessee median
Degree or higher
31.3%3.7 points below the US average
Homeownership
86.2%21.2 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
345

Where 37774 is

Loudon, 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

Population20,989
Median age57.8
Family households72.5%
Born outside the US6.5%
Speaks a language other than English at home7.2%
White (non-Hispanic)87.2%
Black (non-Hispanic)1.4%
Asian (non-Hispanic)1.6%
Hispanic or Latino8.6%
Veterans11.2%
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$83,724
Income per person$47,567
Poverty rate10%
Households on SNAP or cash assistance4.6%

Household income distribution

Under $10k3.2%
$10–15k3.0%
$15–20k2.4%
$20–25k3.0%
$25–30k1.0%
$30–35k3.6%
$35–40k3.5%
$40–45k4.4%
$45–50k4.7%
$50–60k7.8%
$60–75k5.9%
$75–100k17.1%
$100–125k14.6%
$125–150k9.6%
$150–200k4.9%
$200k or more11.3%

Income as declared to the IRS

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

Tax returns filed11,610
Mean adjusted gross income$102,238
Returns declaring $200,000 or more9.8%
Returns, under $25k20.0%
Returns, $25k–$50k19.3%
Returns, $50k–$75k14.5%
Returns, $75k–$100k11.7%
Returns, $100k–$200k24.7%
Returns, $200k or more9.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$329,600
Median gross rent$929
Rent as a share of household income24.1%
Owner-occupied86.2%
Vacant homes7.6%
Median year built1994

What the homes are

Detached house83.1%
Attached house3.2%
2 to 4 units2%
5 to 19 units1.3%
20 or more units2.5%
Mobile home7.9%
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$503,146as of 2026-07
Typical home value, 1 yeardown 1.5%
Typical home value, 5 yearsup 30.7%
Typical home value, 10 yearsup 101.2%
Typical asking rent$2,347as of 2026-07
Typical home value since 2000
200020132026$510,560$155,636

$155,636 in 2000 to $503,146 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.4%
Bachelor's degree or higher31.3%
High school diploma or higher87.6%
Works from home10.2%
Drives to work alone81.1%
Takes public transport0%
Commutes 45 minutes or more16.6%
Health

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

Obesity34.8% 1.4 pts above the national average of 33.4%
Diagnosed diabetes15.7% 3.7 pts above the national average of 12%
Currently smokes14.6% 1.4 pts above the national average of 13.2%
High blood pressure47.8% 13.7 pts above the national average of 34.1%
Fair or poor general health22.4% 2.1 pts above the national average of 20.3%
No health insurance (18–64)11.8% 0.5 pts above the national average of 11.3%
Depression25.4% 3.5 pts above the national average of 21.9%
No leisure-time physical activity26.3% 0.9 pts above the national average of 25.4%
Arthritis40.1% 15 pts above the national average of 25.1%
Binge drinking11.1% 4.9 pts below the national average of 16%
Taking blood pressure medication83.3% 8.6 pts above the national average of 74.7%
Cancer (non-skin)13.8% 6.1 pts above the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease9.8% 3.6 pts above the national average of 6.2%
Routine check-up in past year82.8% 6.1 pts above the national average of 76.7%
Cholesterol screening90.8% 4.9 pts above the national average of 85.9%
Cognitive disability14.7% same as the national average of 14.8%
Colorectal screening71.8% 7.5 pts above the national average of 64.3%
COPD10% 3.4 pts above the national average of 6.6%
Visited a dentist63% 1.7 pts above the national average of 61.3%
Any disability37.5% 6.8 pts above the national average of 30.7%
Hearing disability10.9% 4.2 pts above the national average of 6.7%
High cholesterol46.6% 10.4 pts above the national average of 36.2%
Independent living disability8.8% same as the national average of 8.4%
Mammography use75.7% same as the national average of 75.9%
Poor mental health (14+ days)15.5% 1.3 pts below the national average of 16.8%
Mobility disability18.7% 4.7 pts above the national average of 14%
Poor physical health (14+ days)15.9% 2.4 pts above the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Sleeps under 7 hours34.6% 1.8 pts below the national average of 36.4%
Stroke4.6% 1.2 pts above the national average of 3.4%
All natural teeth lost9.8% 3.2 pts below the national average of 13%
Vision disability5.3% same as the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments345
People employed6,714
Annual payroll$354,715,000
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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 54.1% of US census tracts
FEMA ratingVery Low to Relatively High across the 12 census tracts this ZIP code covers
Expected annual loss49.9 out of 100
Community resilience53.6 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.

Landslide94.5Relatively Moderate at its worst in this ZIP code
Strong wind88.2Relatively High at its worst in this ZIP code
Lightning82.7Relatively High at its worst in this ZIP code
Drought82.3Relatively Moderate at its worst in this ZIP code
Earthquake80.5Relatively High at its worst in this ZIP code
Cold wave78.8Relatively High at its worst in this ZIP code
Winter weather73.8Relatively High at its worst in this ZIP code
Wildfire72.1Relatively Low at its worst in this ZIP code
Tornado66.2Relatively High at its worst in this ZIP code
Ice storm62.7Relatively Moderate at its worst in this ZIP code
River flooding54.2Very High at its worst in this ZIP code
Hail52.8Relatively Moderate at its worst in this ZIP code
Hurricane48.9Relatively Low at its worst in this ZIP code
Heat wave10.9Relatively 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$83,724$67,097$78,538
Income per person$47,567$37,866$43,289
Poverty rate10%13.8%12.4%
Median home value$329,600$256,800$303,400
Median gross rent$929$1,122$1,348
Homeownership86.2%67%65%
Bachelor's degree or higher31.3%30.4%35%
Unemployment rate2.4%4.7%5.2%
Works from home10.2%11.4%13.5%
Born outside the US6.5%5.9%13.9%
Median age57.838.938.7
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 stationLENOIR CITY, TN US9.8 km away
Rain in a year55 in
Snow in a year4 in

Average high and low by month

January48.6°F / 28°F4.99 in rain, 1.6 in snow
February53.1°F / 30.7°F5.22 in rain, 1.3 in snow
March62°F / 37.4°F5.09 in rain, 0.6 in snow
April71.4°F / 45.5°F5.16 in rain
May79°F / 55.2°F4.29 in rain
June85.9°F / 64.1°F4.24 in rain
July89°F / 68.1°F5.12 in rain
August88.4°F / 66.8°F3.82 in rain
September83.5°F / 60.2°F4.25 in rain
October72.9°F / 47.6°F3.02 in rain
November61.2°F / 36.6°F4.14 in rain, 0.1 in snow
December52°F / 31.3°F5.86 in rain, 0.4 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 supermarket18% of this ZIP code's area
No vehicle and far from a supermarket26% 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 3 school districts, so the address decides which one, not the ZIP code.

Loudon County School District85.7% of this ZIP code's land area
Roane County School District13% of this ZIP code's land area
Monroe County School District1.2% 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 vulnerability36more vulnerable than 36% of US census tracts
Socioeconomic status39more vulnerable than 39% of US census tracts
Household characteristics36more vulnerable than 36% of US census tracts
Racial and ethnic minority status17more vulnerable than 17% of US census tracts
Housing type and transport46more vulnerable than 46% of US census tracts
Walkability5 out of 20Least walkable
Nearby ZIP codes

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

37846 Philadelphia, TN9.7 km away
37771 Lenoir City, TN11.4 km away
37772 Lenoir City, TN13 km away
37742 Greenback, TN17.5 km away
37874 Sweetwater, TN17.7 km away
37763 Kingston, TN19.5 km away
37737 Friendsville, TN21.6 km away
37934 Knoxville, TN22.3 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.

Loudon County85.7% of this ZIP code's land area
Roane County13% of this ZIP code's land area
Monroe County1.2% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area88.19 sq mi
Water area7.31 sq mi
Population density238 people per sq mi
Latitude, longitude35.7292, -84.3436

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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