37774 ZIP Code — Loudon, TN

Loudon County, Tennessee

ZIP code 37774 is located in Loudon, Tennessee, within Loudon County. It covers approximately 88.19 square miles and serves a population of 19,713 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 865/423.

About ZIP code 37774

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $283,800. Owner-occupancy is high at 88%, well above the national average.

Median household income is $78,568. 58% 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 24 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.

Overall, ZIP code 37774 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.

19,713

population

88.19

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37774 ZIP code map

Cities in ZIP code 37774

Below are the cities the US Postal Service accepts for ZIP code 37774. Using any city not on this list may result in mail delivery delays.

City	Status
Loudon	Preferred

Nearby ZIP codes

37846 Philadelphia (6.1 mi) 37771 Lenoir City (7.3 mi) 37772 Lenoir City (8.8 mi) 37763 Kingston (10.4 mi) 37874 Sweetwater (11 mi) 37742 Greenback (11.7 mi) 37934 Farragut (14.3 mi) 37737 Friendsville (15.2 mi) 37354 Madisonville (16.1 mi) 37748 Harriman (16.3 mi) 37801 Maryville (16.4 mi) 37932 Knoxville (16.4 mi)

Demographics updated 05/2026

Population
Total population	19,713
Population density	224 / sq mi
State FIPS	47
County FIPS	105

Geography
Land area	88.19 sq mi
Water area	7.31 sq mi
Latitude	35.7356
Longitude	-84.3726
Timezone	Eastern (ET)
Area code	865/423

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.1%	39.3%	45.7%
$50k – $100k	34.9%	34.4%	30.9%
$100k – $200k	21.9%	21.4%	18.3%
Over $200k	5.1%	4.9%	5.1%

Demographics & statistics

19,713

Population

224

People per sq mi

58.5

Median age

$78,568

Median household income

$44,838

Per capita income

$283,800

Median home value

$885

Median monthly rent

87.7%

Home ownership

9.5%

Poverty rate

2.9%

Unemployment

8,563

Housing units

30.2%

Bachelor's or higher

Age distribution

Male Female

374

Under 5

363

309

5–9

300

533

10–14

517

301

15–19

292

289

20–24

281

829

25–34

804

842

35–44

816

929

45–54

902

790

55–59

767

1,034

60–64

1,002

2,054

65–74

1,993

1,321

75–84

1,281

401

85+

389

← Male

Female →

Age summary

Group	Count	%
Under 18	2,788	14.1%
18 and over	16,925	85.9%
65 and over	7,439	37.7%
Median age	58.5 years

Race & ethnicity

White 90.2%

Hispanic or Latino 3%

Two or more races 2.7%

Asian 1.6%

Black or African American 1.2%

Other race 1.1%

American Indian / Alaska Native 0.3%

Group	Count	%
White	18,320	90.2%
Hispanic or Latino	605	3%
Two or more races	550	2.7%
Asian	316	1.6%
Black or African American	239	1.2%
Other race	231	1.1%
American Indian / Alaska Native	57	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	38.1%	39.3%	45.7%
$50k – $100k	34.9%	34.4%	30.9%
$100k – $200k	21.9%	21.4%	18.3%
Over $200k	5.1%	4.9%	5.1%

Under $10k 3.0%

$10k–$15k 3.4%

$15k–$25k 6.8%

$25k–$35k 5.6%

$35k–$50k 16.1%

$50k–$75k 11.2%

$75k–$100k 20.2%

$100k–$150k 19.5%

$150k–$200k 5.1%

$200k+ 9.2%

Range	% of households
Under $10k	3.0%
$10k–$15k	3.4%
$15k–$25k	6.8%
$25k–$35k	5.6%
$35k–$50k	16.1%
$50k–$75k	11.2%
$75k–$100k	20.2%
$100k–$150k	19.5%
$150k–$200k	5.1%
$200k+	9.2%
Median income	$78,568

Housing

Home values

Under $50k 2.8%

$50k–$100k 6.4%

$100k–$150k 11.0%

$150k–$200k 13.9%

$200k–$300k 18.2%

$300k–$500k 27.1%

$500k–$1M 14.3%

$1M+ 6.5%

Housing overview

Metric	Value
Median home value	$283,800
Median rent / month	$885
Owner occupied	87.7%
Renter occupied	12.3%
Vacant	9.0%
Single-family detached	84.2%
Large apartment buildings	2.0%
Mobile homes	7.8%
Median rooms	6.1
Avg household size (owned)	2.18

Year built

Era	%
2020 or later	1.6%
2010–2019	11.5%
2000–2009	21.7%
1990–1999	22.1%
1980–1989	10.5%
1970–1979	10.8%
1960–1969	4.6%
1950–1959	7.6%
1940–1949	4.6%
1939 or earlier	4.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	3.0%
2 bedrooms	17.4%
3 bedrooms	57.4%
4 bedrooms	18.0%
5+ bedrooms	3.5%

Vehicles per household

Vehicles	% of households
No vehicle	5.4%
1 vehicle	23.6%
2 vehicles	44.9%
3 or more	26.0%

Heating fuel

Fuel type	%
Utility gas	27.4%
Electricity	64.5%
Propane / LP gas	4.9%
Fuel oil	1.9%
Wood	0.8%

Households & families

Household type	Count	%
Married-couple family	5,429	61.8%
Cohabiting couple	227	2.6%
Male householder, no spouse	1,482	16.9%
Female householder, no spouse	1,641	18.7%
Households with children under 18	1,264	14.4%
Households with seniors (65+)	4,831	55.0%
Average household size	2.22

Marital status

Status	Male	Female
Never married	19.3%	10.4%
Married	64.8%	63.6%
Separated	1.4%	0.7%
Widowed	6.1%	12.3%
Divorced	8.5%	12.9%

Education

Less than 9th grade 5.2%

Some HS, no diploma 8.6%

HS graduate 25.5%

Some college, no degree 21.8%

Associate's degree 8.6%

Bachelor's degree 18.4%

Graduate / professional 11.8%

Metric	%
HS diploma or higher	86.1%
Bachelor's or higher	30.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	111	3.9%
Kindergarten	107	3.8%
Elementary school	1,128	40.1%
High school	699	24.8%
College / grad school	768	27.3%

Employment

Industry of employment

Education & healthcare 20.1%

Manufacturing 17.3%

Retail trade 13.4%

Professional & management 10.5%

Transportation & utilities 8.8%

Construction 8.0%

Public administration 6.1%

Arts, food & hospitality 5.6%

Finance & real estate 4.0%

Other services 3.2%

Agriculture & mining 1.6%

Wholesale trade 1.1%

Information 0.2%

Occupation

Category	%
Management, business & arts	34.3%
Service	12.8%
Sales & office	22.4%
Natural resources & construction	9.5%
Production & transportation	21.1%

Employment type

Type	%
Private sector	79.7%
Government	14.7%
Self-employed	5.6%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	84.1%
Carpool	6.5%
Public transit	0.0%
Walk	0.1%
Work from home	8.7%
Other means	0.6%
Avg commute (minutes)	24.4

Poverty

All people 9.5%

Under 18 years 20.5%

18 and over 7.7%

Married-couple families 3.9%

Female-led households 19.8%

Income support

Source	% of households
Social Security	58.3%
Retirement income	44.9%
Supplemental Security	3.2%
Cash public assistance	0.9%
Food stamps / SNAP	3.8%

Health indicators

Condition	%
Obesity	35.8%
High blood pressure	45.3%
High cholesterol	43.2%
Diabetes	14.3%
Heart disease	9.5%
Stroke	4.1%
Asthma	9.8%
Arthritis	36.3%
Kidney disease	3.7%
Pulmonary disease	10.1%
Cancer	9.7%

Behavior / access	%
Smoking	19.3%
Binge drinking	11.2%
No physical activity	25.2%
Less than 7 hrs sleep	31.3%
Depression	24.3%
Fair or poor health	17.5%
Poor mental health	14.3%
Poor physical health	12.4%
No health insurance	16.1%
Visited doctor (checkup)	78.8%
Visited dentist	61.3%
Cholesterol screening	93.1%
Teeth loss	14.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,010	11.9%

Disability	%
Any disability	16.4%
Under 18	4.1%
18–64 years	13.7%
65 and over	24.5%

Health insurance coverage

Type	%
Private insurance	71.5%
Public insurance	52.2%
No insurance	6.7%
Uninsured under 19	2.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	18,976	96.3%
Spanish	632	3.3%
Other Indo-European	589	3.1%
Asian & Pacific Islander	43	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,405	93.4%
Born in same state	18,223	92.4%
Born in different state	9,141	46.4%
Foreign born	182	0.9%
Naturalized citizen	1,308	6.6%
Not a US citizen	581	44.4%

Ancestry

Ancestry	Count	%
French	2,651	13.4%
Italian	2,374	12%
Arab	2,003	10.2%
English	309	1.6%
Polish	131	0.7%

Ancestry	Count	%
Dutch	118	0.6%
German	80	0.4%
Irish	26	0.1%
Norwegian	16	0.1%

Technology access

Metric	% of households
Computer access	44.5%
Internet access	91.9%

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

Frequently asked questions about ZIP code 37774

What city is ZIP code 37774 in?

ZIP code 37774 is primarily assigned to Loudon, Tennessee.

What county is ZIP code 37774 in?

ZIP code 37774 falls within Loudon County, Tennessee.

Does ZIP code 37774 have an older population?

38% of residents in ZIP code 37774 are 65 or older, above the national average of ~17%.

Does ZIP code 37774 have a large retiree population?

58% of households in ZIP code 37774 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 37774 mostly owner-occupied?

88% of occupied units in ZIP code 37774 are owner-occupied, well above the national average.

Does ZIP code 37774 have a large veteran population?

12% of civilians in ZIP code 37774 are veterans, above the national average of ~7%.

What timezone is ZIP code 37774 in?

ZIP code 37774 observes the EST timezone.