Loudon ZIP Codes — Loudon County, TN

There is one unique ZIP code in Loudon, Tennessee and it is 37774. Area code: 865/423.

ZIP codes

88.19

sq mi land

7.31

sq mi water

865/423

area code

Loudon, TN ZIP code map

About Loudon, TN

Loudon, Tennessee, is a charming city located in Loudon County, showcasing the scenic beauty of the East Tennessee region. Known for its friendly atmosphere and rich history, Loudon draws residents and visitors alike with its quaint small-town feel. The city's location provides easy access to both natural landscapes and nearby urban amenities.

Location & geography

Loudon is situated in the southeastern part of Tennessee, roughly 35 miles southwest of Knoxville and about 45 miles from Chattanooga. The city covers a total land area of 88.19 square miles, complemented by 7.31 square miles of water, primarily featuring the scenic waters of the Tennessee River. The region's terrain is characterized by rolling hills and lush greenery, making it ideal for outdoor activities.

Community & economy

The character of Loudon is defined by its warm, welcoming residents and a strong sense of community. The local economy is bolstered by industries such as manufacturing and tourism, with many residents enjoying a peaceful suburban lifestyle. Daily life in Loudon includes community events, local dining, and opportunities for recreation, contributing to a vibrant social scene.

Transportation

Loudon is accessible via major highways, including U.S. Route 11 and Interstate 75, providing convenient connections to larger cities. The nearest commercial airports are McGhee Tyson Airport in Knoxville, which is approximately 30 miles away, and Chattanooga Metropolitan Airport, about 45 miles to the south. Public transportation options are limited, with most residents relying on personal vehicles for travel.

History

Loudon was founded in the early 19th century and has a rich heritage linked to the settlement patterns of the region. Historically, the city’s economy has been focused on agriculture and later expanded into manufacturing, supporting the surrounding communities. Notable events in Loudon's history include its development as a key transport hub due to the Tennessee River's navigability.

Did you know?

A surprising fact about Loudon is its proximity to the Tennessee River, which is not only scenic but also serves as a recreational resource for boating and fishing. Additionally, Loudon hosts the annual Loudon Freedom Fest, celebrating community spirit with food, music, and family-friendly activities.

ZIP codes for Loudon, TN (1)

ZIP code	City	County	Map
37774	Loudon	Loudon	View map

Demographics & statistics

19,713

Population

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

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%
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	%
High blood pressure	45.3%
High cholesterol	43.2%
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	%
Binge drinking	11.2%
No physical activity	25.2%
Less than 7 hrs sleep	31.3%
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%
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

What ZIP codes does Loudon, TN have?

Loudon, TN has one ZIP code: 37774. Each ZIP code serves a distinct delivery area within the city and surrounding region.