Riddleton ZIP Codes — Smith County, TN

There is one unique ZIP code in Riddleton, Tennessee and it is 37151. Area code: 615.

ZIP codes

16.99

sq mi land

0.74

sq mi water

615

area code

Riddleton, TN ZIP code map

About Riddleton, TN

Riddleton is a charming community located in Smith County, Tennessee. Known for its picturesque landscapes and small-town atmosphere, Riddleton offers a peaceful retreat from the bustle of city life. With a single ZIP code of 37151, it embodies the essence of rural living in the heart of Tennessee.

Location & geography

Riddleton is situated in Smith County, nestled amidst the rolling hills typical of this part of Tennessee. Nearby cities include Carthage located approximately 11 miles to the east, Gordonsville about 8 miles to the north, Lebanon approximately 20 miles to the south, and Cookeville around 25 miles to the east. The town covers a total land area of 16.99 square miles, with a small water area of 0.74 square miles, contributing to its serene natural environment.

Community & economy

The character of Riddleton is defined by its friendly residents and close-knit community. Primarily supported by small businesses and local agriculture, the economy thrives on traditional industries while maintaining a focus on community values. Daily life here includes engaging in outdoor activities and enjoying the tranquility that comes with living in a rural setting.

Transportation

Riddleton is accessible via several local roads, with State Route 53 being a key highway that connects it to nearby towns. The nearest major airport is the Nashville International Airport, approximately 55 miles to the south. Public transportation options are limited, making personal vehicles the primary means of travel.

History

Founded in the early 19th century, Riddleton reflects the pioneer spirit and agricultural roots of Tennessee. The town’s development was closely tied to local farming and small businesses that have characterized its growth over the years. Though it may be small, Riddleton has experienced its share of community events and celebrations that bind its residents together.

Did you know?

One surprising fact about Riddleton is its strong sense of community involvement, with many residents participating in local events and initiatives. This dedication to community spirit is evident during seasonal festivals, which attract visitors from surrounding areas.

ZIP codes for Riddleton, TN (1)

ZIP code	City	County	Map
37151	Riddleton	Smith	View map

Demographics & statistics

443

Population

49.9

Median age

$92,674

Median household income

$39,081

Per capita income

$251,300

Median home value

Median monthly rent

78.3%

Home ownership

11.7%

Poverty rate

0.0%

Unemployment

221

Housing units

21.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	31	7.0%
18 and over	412	93.0%
65 and over	60	13.5%
Median age	49.9 years

Race & ethnicity

White 73.7%

Two or more races 10.1%

Hispanic or Latino 8.8%

Black or African American 7.4%

Group	Count	%
White	358	73.7%
Two or more races	49	10.1%
Hispanic or Latino	43	8.8%
Black or African American	36	7.4%

Household income

Under $10k 18.2%

$15k–$25k 6.6%

$25k–$35k 3.0%

$35k–$50k 8.6%

$50k–$75k 8.1%

$75k–$100k 25.8%

$100k–$150k 12.6%

$150k–$200k 5.6%

$200k+ 11.6%

Range	% of households
Under $10k	18.2%
$15k–$25k	6.6%
$25k–$35k	3.0%
$35k–$50k	8.6%
$50k–$75k	8.1%
$75k–$100k	25.8%
$100k–$150k	12.6%
$150k–$200k	5.6%
$200k+	11.6%
Median income	$92,674

Housing

Home values

$50k–$100k 3.9%

$100k–$150k 8.4%

$150k–$200k 11.0%

$200k–$300k 62.6%

$300k–$500k 10.3%

$500k–$1M 3.9%

Housing overview

Metric	Value
Median home value	$251,300
Median rent / month	$0
Owner occupied	78.3%
Renter occupied	21.7%
Vacant	25.0%
Single-family detached	89.0%
Large apartment buildings	0.0%
Mobile homes	11.0%
Median rooms	6.2
Avg household size (owned)	2.52

Year built

Era	%
2020 or later	6.1%
2010–2019	3.0%
2000–2009	9.8%
1990–1999	24.6%
1980–1989	4.9%
1970–1979	33.3%
1960–1969	3.8%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	14.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.9%
2 bedrooms	28.0%
3 bedrooms	29.5%
4 bedrooms	40.5%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	18.2%
1 vehicle	17.7%
2 vehicles	12.6%
3 or more	51.5%

Heating fuel

Fuel type	%
Utility gas	45.5%
Electricity	54.5%

Households & families

Household type	Count	%
Married-couple family	143	72.2%
Cohabiting couple	0	0.0%
Male householder, no spouse	42	21.2%
Female householder, no spouse	13	6.6%
Households with children under 18	26	13.1%
Households with seniors (65+)	36	18.2%
Average household size	2.24

Marital status

Status	Male	Female
Never married	11.3%	26.9%
Married	65.6%	73.1%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	23.1%	0.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 40.1%

Some college, no degree 38.0%

Associate's degree 0.0%

Bachelor's degree 18.2%

Graduate / professional 3.7%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	21.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	16	14.8%
High school	6	5.6%
College / grad school	86	79.6%

Employment

Industry of employment

Education & healthcare 30.6%

Construction 25.5%

Retail trade 20.1%

Manufacturing 11.9%

Wholesale trade 3.2%

Transportation & utilities 3.2%

Finance & real estate 2.9%

Agriculture & mining 2.5%

Occupation

Category	%
Management, business & arts	35.6%
Service	22.3%
Sales & office	16.2%
Natural resources & construction	4.0%
Production & transportation	21.9%

Employment type

Type	%
Private sector	58.3%
Government	16.9%
Self-employed	20.1%
Unpaid family workers	4.7%

Commute

Method	%
Drive alone	97.4%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	28.6

Poverty

All people 11.7%

Under 18 years 29.0%

18 and over 10.4%

Married-couple families 0.0%

Female-led households 100.0%

Income support

Source	% of households
Social Security	24.7%
Retirement income	31.3%
Supplemental Security	0.0%
Cash public assistance	0.0%
Food stamps / SNAP	21.7%

Health indicators

Condition	%
High blood pressure	38.4%
High cholesterol	34.3%
Heart disease	7.4%
Stroke	3.7%
Asthma	10.9%
Arthritis	30.1%
Kidney disease	3.2%
Pulmonary disease	10.1%
Cancer	6.1%

Behavior / access	%
Binge drinking	14.3%
No physical activity	29.7%
Less than 7 hrs sleep	37.9%
Fair or poor health	19.8%
Poor mental health	18.5%
Poor physical health	13.5%
No health insurance	19.8%
Visited doctor (checkup)	73.1%
Visited dentist	49.9%
Cholesterol screening	88.3%
Teeth loss	21.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	31	7.5%

Disability	%
Any disability	5.4%
Under 18	19.4%
18–64 years	3.4%
65 and over	10.0%

Health insurance coverage

Type	%
Private insurance	83.5%
Public insurance	18.5%
Uninsured under 19	22.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	434	98.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	443	100.0%
Born in same state	443	100.0%
Born in different state	347	78.3%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
French	106	23.9%
Italian	73	16.5%
Arab	69	15.6%

Ancestry	Count	%
German	8	1.8%
Polish	8	1.8%

Technology access

Metric	% of households
Computer access	44.7%
Internet access	75.3%

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

Frequently asked questions

What ZIP codes does Riddleton, TN have?

Riddleton, TN has one ZIP code: 37151. Each ZIP code serves a distinct delivery area within the city and surrounding region.