37845 ZIP Code — Petros, TN

Morgan County, Tennessee

ZIP code 37845 is located in Petros, Tennessee, within Morgan County. It covers approximately 4.00 square miles and serves a population of 428 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 423.

About ZIP code 37845

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $149,600. Owner-occupancy is high at 76%, well above the national average.

Median household income is $25,972. Poverty affects 35% of residents, above the national average. SNAP benefit usage at 24% of households reflects economic stress in the area. 87% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is natural resources, construction, and trades, with construction as the leading industry.

Health indicators show elevated rates of smoking (31%) compared to national benchmarks.

Notable community characteristics include a notable veteran presence at 21% of civilians, above the national average of 7%; and disability rates above the national average at 49%.

Overall, ZIP code 37845 reflects a community defined by economic challenges above the national average, a strong veteran community, high homeownership, a significant Social Security-dependent population, and elevated reliance on food assistance.

428

population

4.00

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

37845 ZIP code map

Cities in ZIP code 37845

Below are the cities the US Postal Service accepts for ZIP code 37845. Using any city not on this list may result in mail delivery delays.

City	Status
Petros	Acceptable

Demographics updated 05/2026

Population
Total population	428
Population density	107 / sq mi
State FIPS	47
County FIPS	129

Geography
Land area	4.00 sq mi
Water area	0.00 sq mi
Latitude	36.0856
Longitude	-84.4427
Timezone	Eastern (ET)
Area code	423

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	95.2%	59.6%	45.7%
$50k – $100k	4.8%	26.2%	30.9%
$100k – $200k	0.0%	13.0%	18.3%
Over $200k	0.0%	1.2%	5.1%

Demographics & statistics

428

Population

107

People per sq mi

62.3

Median age

$25,972

Median household income

$11,407

Per capita income

$149,600

Median home value

Median monthly rent

76.2%

Home ownership

35.1%

Poverty rate

0.0%

Unemployment

190

Housing units

0.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

10–14

15–19

45–54

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	177	41.4%
18 and over	251	58.6%
65 and over	145	33.9%
Median age	62.3 years

Race & ethnicity

White 94.6%

Two or more races 5.4%

Group	Count	%
White	405	94.6%
Two or more races	23	5.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	95.2%	59.6%	45.7%
$50k – $100k	4.8%	26.2%	30.9%
$100k – $200k	0.0%	13.0%	18.3%
Over $200k	0.0%	1.2%	5.1%

$15k–$25k 43.0%

$25k–$35k 29.1%

$35k–$50k 12.6%

$50k–$75k 15.2%

Range	% of households
$15k–$25k	43.0%
$25k–$35k	29.1%
$35k–$50k	12.6%
$50k–$75k	15.2%
Median income	$25,972

Housing

Home values

$50k–$100k 23.5%

$100k–$150k 27.0%

$150k–$200k 20.0%

$200k–$300k 29.6%

Housing overview

Metric	Value
Median home value	$149,600
Median rent / month	$0
Owner occupied	76.2%
Renter occupied	23.8%
Vacant	33.2%
Single-family detached	69.0%
Large apartment buildings	0.0%
Mobile homes	31.0%
Median rooms	6.5
Avg household size (owned)	1.57

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	0.0%
1990–1999	31.0%
1980–1989	8.4%
1970–1979	19.0%
1960–1969	0.0%
1950–1959	25.2%
1940–1949	16.4%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	33.6%
3 bedrooms	13.7%
4 bedrooms	45.1%
5+ bedrooms	7.5%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	72.2%
2 vehicles	27.8%
3 or more	0.0%

Heating fuel

Fuel type	%
Utility gas	55.6%
Electricity	33.1%
Propane / LP gas	11.3%

Households & families

Household type	Count	%
Married-couple family	86	57.0%
Cohabiting couple	0	0.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	65	43.0%
Households with children under 18	36	23.8%
Households with seniors (65+)	115	76.2%
Average household size	2.83

Marital status

Status	Male	Female
Never married	0.0%	40.1%
Married	100.0%	43.1%
Separated	0.0%	0.0%
Widowed	0.0%	16.8%
Divorced	0.0%	0.0%

Education

Less than 9th grade 7.6%

Some HS, no diploma 26.3%

HS graduate 43.4%

Some college, no degree 22.7%

Associate's degree 0.0%

Bachelor's degree 0.0%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	66.1%
Bachelor's or higher	0.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	97	72.9%
High school	36	27.1%
College / grad school	0	0.0%

Employment

Industry of employment

Construction 100.0%

Occupation

Category	%
Management, business & arts	0.0%
Service	0.0%
Sales & office	0.0%
Natural resources & construction	100.0%
Production & transportation	0.0%

Employment type

Type	%
Private sector	0.0%
Government	0.0%
Self-employed	100.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	100.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 35.1%

Under 18 years 69.7%

18 and over 15.1%

Married-couple families 19.8%

Female-led households 0.0%

Income support

Source	% of households
Social Security	87.4%
Retirement income	58.3%
Supplemental Security	12.6%
Cash public assistance	0.0%
Food stamps / SNAP	23.8%

Health indicators

Condition	%
Obesity	39.9%
High blood pressure	42.8%
High cholesterol	38.5%
Diabetes	15.0%
Heart disease	9.4%
Stroke	4.6%
Asthma	11.6%
Arthritis	34.6%
Kidney disease	3.9%
Pulmonary disease	13.2%
Cancer	6.9%

Behavior / access	%
Smoking	30.6%
Binge drinking	13.1%
No physical activity	32.0%
Less than 7 hrs sleep	38.4%
Depression	29.2%
Fair or poor health	23.5%
Poor mental health	19.4%
Poor physical health	16.0%
No health insurance	18.9%
Visited doctor (checkup)	74.9%
Visited dentist	44.9%
Cholesterol screening	88.5%
Teeth loss	26.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	52	20.7%

Disability	%
Any disability	49.3%
Under 18	0.0%
18–64 years	84.0%
65 and over	84.1%

Health insurance coverage

Type	%
Private insurance	12.4%
Public insurance	91.6%
No insurance	8.4%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	398	93.0%
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)	428	100.0%
Born in same state	428	100.0%
Born in different state	392	91.6%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	205	47.9%
French	30	7%

Ancestry	Count	%
English	27	6.3%

Technology access

Metric	% of households
Computer access	35.3%
Internet access	88.7%

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

Frequently asked questions about ZIP code 37845

What city is ZIP code 37845 in?

ZIP code 37845 is primarily assigned to Petros, Tennessee.

What county is ZIP code 37845 in?

ZIP code 37845 falls within Morgan County, Tennessee.

Does ZIP code 37845 have a large retiree population?

87% of households in ZIP code 37845 receive Social Security income, suggesting a significant retiree or disability population.

What is the poverty rate in ZIP code 37845?

35% of residents in ZIP code 37845 live below the poverty line, above the national average.

Does ZIP code 37845 have an older population?

34% of residents in ZIP code 37845 are 65 or older, above the national average of ~17%.

Does ZIP code 37845 have a large veteran population?

21% of civilians in ZIP code 37845 are veterans, above the national average of ~7%.

What timezone is ZIP code 37845 in?

ZIP code 37845 observes the EST timezone.