Hollow Rock ZIP Codes — Carroll County, TN

There is one unique ZIP code in Hollow Rock, Tennessee and it is 38342. Area code: 731.

ZIP codes

33.73

sq mi land

0.02

sq mi water

731

area code

Hollow Rock, TN ZIP code map

About Hollow Rock, TN

Hollow Rock is a quaint city located in the state of Tennessee, nestled within Carroll County. This small community offers residents and visitors a chance to experience the charm of rural Southern living. With a single ZIP code of 38342, it captures the essence of tight-knit community life.

Location & geography

Situated in the western part of Tennessee, Hollow Rock is conveniently located near several other cities. Notable nearby towns include Huntingdon, approximately 13 miles to the east, and McKenzie, about 15 miles to the southeast. The city spans a total land area of 33.73 square miles, with a minimal water area of 0.02 square miles, primarily characterized by its rolling hills and woodlands.

Community & economy

The community in Hollow Rock is defined by its friendly and welcoming residents, who take pride in their small-town atmosphere. Local industries often focus on agriculture and light manufacturing, contributing to the town's laid-back lifestyle. Residents engage in daily activities that reflect the local culture, including attending community events and enjoying the surrounding natural beauty.

Transportation

Hollow Rock is accessible via U.S. Route 70, which connects the city to larger towns and cities in the region. The nearest airport is McKellar-Sipes Regional Airport in Jackson, Tennessee, located about 25 miles away. Public transportation options are limited, so personal vehicles are the primary means of getting around.

History

Hollow Rock was founded in the late 19th century, with its growth tied to agricultural development and local trade. The area has remained a pivotal point for agriculture, shaped by its early farming roots and community-driven initiatives. Over the years, it has maintained its character and small-town charm despite the changes in surrounding areas.

Did you know?

One surprising fact about Hollow Rock is that it has a unique geographical feature in the form of a natural rock formation which gives the community its name. Additionally, Hollow Rock is home to various family-owned businesses that contribute to the local economy and community spirit.

ZIP codes for Hollow Rock, TN (1)

ZIP code	City	County	Map
38342	Hollow Rock	Carroll	View map

Demographics & statistics

1,328

Population

39.0

Median age

$36,037

Median household income

$25,003

Per capita income

$100,100

Median home value

$561

Median monthly rent

72.3%

Home ownership

25.5%

Poverty rate

11.0%

Unemployment

482

Housing units

11.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

112

45–54

110

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	323	24.3%
18 and over	1,005	75.7%
65 and over	243	18.3%
Median age	39.0 years

Race & ethnicity

White 90.6%

Two or more races 4.3%

Black or African American 3.7%

Hispanic or Latino 1.1%

Other race 0.2%

Group	Count	%
White	1,217	90.6%
Two or more races	58	4.3%
Black or African American	50	3.7%
Hispanic or Latino	15	1.1%
Other race	3	0.2%

Household income

Under $10k 12.9%

$10k–$15k 11.8%

$15k–$25k 9.6%

$25k–$35k 12.4%

$35k–$50k 18.3%

$50k–$75k 11.7%

$75k–$100k 4.1%

$100k–$150k 9.3%

$150k–$200k 9.5%

$200k+ 0.5%

Range	% of households
Under $10k	12.9%
$10k–$15k	11.8%
$15k–$25k	9.6%
$25k–$35k	12.4%
$35k–$50k	18.3%
$50k–$75k	11.7%
$75k–$100k	4.1%
$100k–$150k	9.3%
$150k–$200k	9.5%
$200k+	0.5%
Median income	$36,037

Housing

Home values

Under $50k 10.8%

$50k–$100k 39.1%

$100k–$150k 26.2%

$150k–$200k 9.1%

$200k–$300k 4.7%

$300k–$500k 9.8%

$500k–$1M 0.2%

Housing overview

Metric	Value
Median home value	$100,100
Median rent / month	$561
Owner occupied	72.3%
Renter occupied	27.7%
Vacant	8.5%
Single-family detached	75.7%
Large apartment buildings	0.0%
Mobile homes	23.7%
Median rooms	5.3
Avg household size (owned)	2.11

Year built

Era	%
2020 or later	0.0%
2010–2019	7.3%
2000–2009	14.6%
1990–1999	18.7%
1980–1989	12.4%
1970–1979	9.1%
1960–1969	19.8%
1950–1959	8.0%
1940–1949	6.5%
1939 or earlier	3.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	0.3%
2 bedrooms	29.7%
3 bedrooms	60.1%
4 bedrooms	8.4%
5+ bedrooms	1.4%

Vehicles per household

Vehicles	% of households
No vehicle	9.6%
1 vehicle	40.3%
2 vehicles	21.8%
3 or more	28.3%

Heating fuel

Fuel type	%
Utility gas	43.0%
Electricity	47.5%
Propane / LP gas	2.7%
Wood	6.8%

Households & families

Household type	Count	%
Married-couple family	246	41.6%
Cohabiting couple	23	3.9%
Male householder, no spouse	133	22.5%
Female householder, no spouse	189	32.0%
Households with children under 18	180	30.5%
Households with seniors (65+)	207	35.0%
Average household size	2.25

Marital status

Status	Male	Female
Never married	25.9%	19.9%
Married	46.6%	45.3%
Separated	2.2%	1.4%
Widowed	11.9%	15.6%
Divorced	13.4%	17.8%

Education

Less than 9th grade 4.7%

Some HS, no diploma 3.7%

HS graduate 44.6%

Some college, no degree 24.5%

Associate's degree 11.0%

Bachelor's degree 4.9%

Graduate / professional 6.6%

Metric	%
HS diploma or higher	91.6%
Bachelor's or higher	11.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	64	20.8%
Kindergarten	2	0.7%
Elementary school	97	31.6%
High school	59	19.2%
College / grad school	85	27.7%

Employment

Industry of employment

Education & healthcare 23.4%

Retail trade 20.3%

Manufacturing 17.4%

Construction 13.0%

Public administration 5.8%

Transportation & utilities 5.4%

Other services 5.0%

Arts, food & hospitality 4.1%

Finance & real estate 3.1%

Professional & management 1.9%

Wholesale trade 0.4%

Occupation

Category	%
Management, business & arts	35.1%
Service	16.3%
Sales & office	18.2%
Natural resources & construction	16.1%
Production & transportation	14.3%

Employment type

Type	%
Private sector	70.5%
Government	15.7%
Self-employed	13.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.8%
Carpool	12.0%
Public transit	0.0%
Walk	0.0%
Other means	4.8%
Avg commute (minutes)	19.7

Poverty

All people 25.5%

Under 18 years 35.3%

18 and over 22.3%

Married-couple families 15.4%

Female-led households 42.9%

Income support

Source	% of households
Social Security	38.7%
Retirement income	21.0%
Supplemental Security	2.9%
Cash public assistance	3.0%
Food stamps / SNAP	13.9%

Health indicators

Condition	%
High blood pressure	43.5%
High cholesterol	38.3%
Heart disease	8.9%
Stroke	4.3%
Asthma	11.2%
Arthritis	34.5%
Kidney disease	3.6%
Pulmonary disease	12.0%
Cancer	7.3%

Behavior / access	%
Binge drinking	12.8%
No physical activity	30.1%
Less than 7 hrs sleep	36.5%
Fair or poor health	21.8%
Poor mental health	18.0%
Poor physical health	14.7%
No health insurance	18.2%
Visited doctor (checkup)	75.5%
Visited dentist	50.0%
Cholesterol screening	89.9%
Teeth loss	22.0%

Veterans & disability

Veterans	Count	%
Civilian veterans	114	11.3%

Disability	%
Any disability	27.4%
Under 18	6.8%
18–64 years	23.0%
65 and over	68.7%

Health insurance coverage

Type	%
Private insurance	52.3%
Public insurance	42.2%
Uninsured under 19	2.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,185	89.2%
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)	1,325	99.8%
Born in same state	1,323	99.6%
Born in different state	1,003	75.5%
Foreign born	2	0.2%
Naturalized citizen	3	0.2%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	448	33.7%
French	184	13.9%
Italian	69	5.2%

Ancestry	Count	%
German	37	2.8%
English	6	0.5%

Technology access

Metric	% of households
Computer access	44.5%
Internet access	90.5%

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

Frequently asked questions

What ZIP codes does Hollow Rock, TN have?

Hollow Rock, TN has one ZIP code: 38342. Each ZIP code serves a distinct delivery area within the city and surrounding region.