41855 ZIP Code — Thornton, KY

Letcher County, Kentucky

ZIP code 41855 is located in Thornton, Kentucky, within Letcher County. It covers approximately 7.45 square miles and serves a population of 794 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 606.

About ZIP code 41855

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. Owner-occupancy is high at 92%, well above the national average.

Median household income is $54,105. 63% 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 23 minutes is near the national average.

College attainment at 6% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (44%), smoking (30%) 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 39%.

Overall, ZIP code 41855 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

794

population

7.45

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

41855 ZIP code map

Cities in ZIP code 41855

Below are the cities the US Postal Service accepts for ZIP code 41855. Using any city not on this list may result in mail delivery delays.

City	Status
Thornton	Acceptable

Demographics updated 05/2026

Population
Total population	794
Population density	107 / sq mi
State FIPS	21
County FIPS	133

Geography
Land area	7.45 sq mi
Water area	0.02 sq mi
Latitude	37.1813
Longitude	-82.7859
Timezone	Eastern (ET)
Area code	606

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	61.0%	66.5%	47.9%
$50k – $100k	31.4%	23.5%	30.3%
$100k – $200k	7.6%	8.7%	17.6%
Over $200k	0.0%	1.3%	4.2%

Demographics & statistics

794

Population

107

People per sq mi

54.0

Median age

$54,105

Median household income

$24,161

Per capita income

Median home value

Median monthly rent

92.1%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

415

Housing units

5.7%

Bachelor's or higher

Age distribution

Male Female

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

110

65–74

123

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	143	18.0%
18 and over	651	82.0%
65 and over	289	36.4%
Median age	54.0 years

Race & ethnicity

White 98.6%

Two or more races 1%

Black or African American 0.4%

Group	Count	%
White	783	98.6%
Two or more races	8	1%
Black or African American	3	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	61.0%	66.5%	47.9%
$50k – $100k	31.4%	23.5%	30.3%
$100k – $200k	7.6%	8.7%	17.6%
Over $200k	0.0%	1.3%	4.2%

$25k–$35k 24.4%

$35k–$50k 4.8%

$50k–$75k 45.4%

$75k–$100k 20.3%

$100k–$150k 5.1%

Range	% of households
$25k–$35k	24.4%
$35k–$50k	4.8%
$50k–$75k	45.4%
$75k–$100k	20.3%
$100k–$150k	5.1%
Median income	$54,105

Housing

Home values

Under $50k 78.3%

$50k–$100k 2.1%

$100k–$150k 11.7%

$150k–$200k 7.9%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	92.1%
Renter occupied	7.9%
Vacant	28.4%
Single-family detached	51.4%
Large apartment buildings	0.0%
Mobile homes	48.6%
Median rooms	5.0
Avg household size (owned)	2.61

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	4.5%
1990–1999	37.7%
1980–1989	14.1%
1970–1979	37.7%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	5.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	13.2%
2 bedrooms	33.2%
3 bedrooms	48.9%
4 bedrooms	4.8%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	25.1%
2 vehicles	47.3%
3 or more	27.6%

Heating fuel

Fuel type	%
Utility gas	8.6%
Electricity	86.0%

Households & families

Household type	Count	%
Married-couple family	205	65.1%
Cohabiting couple	0	0.0%
Male householder, no spouse	37	11.7%
Female householder, no spouse	73	23.2%
Households with children under 18	91	28.9%
Households with seniors (65+)	175	55.6%
Average household size	2.52

Marital status

Status	Male	Female
Never married	7.6%	33.8%
Married	70.0%	46.8%
Separated	4.5%	0.0%
Widowed	6.7%	19.4%
Divorced	11.2%	0.0%

Education

Less than 9th grade 6.2%

Some HS, no diploma 6.4%

HS graduate 48.2%

Some college, no degree 22.1%

Associate's degree 11.4%

Bachelor's degree 5.7%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	87.4%
Bachelor's or higher	5.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	15	11.5%
Elementary school	23	17.7%
High school	92	70.8%
College / grad school	0	0.0%

Employment

Industry of employment

Education & healthcare 47.4%

Transportation & utilities 22.3%

Finance & real estate 17.5%

Other services 7.6%

Construction 1.9%

Professional & management 1.9%

Arts, food & hospitality 1.4%

Occupation

Category	%
Management, business & arts	50.7%
Service	0.0%
Sales & office	17.5%
Natural resources & construction	9.5%
Production & transportation	22.3%

Employment type

Type	%
Private sector	59.2%
Government	38.9%
Self-employed	1.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	98.6%
Carpool	1.4%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	23.3

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	62.9%
Retirement income	45.1%
Supplemental Security	13.0%
Cash public assistance	5.4%
Food stamps / SNAP	5.4%

Health indicators

Condition	%
Obesity	44.2%
High blood pressure	43.7%
High cholesterol	37.5%
Diabetes	14.6%
Heart disease	9.3%
Stroke	4.5%
Asthma	12.8%
Arthritis	35.7%
Kidney disease	3.8%
Pulmonary disease	14.9%
Cancer	6.7%

Behavior / access	%
Smoking	30.3%
Binge drinking	14.6%
No physical activity	37.1%
Less than 7 hrs sleep	39.9%
Depression	28.9%
Fair or poor health	27.8%
Poor mental health	20.8%
Poor physical health	18.4%
No health insurance	13.2%
Visited doctor (checkup)	76.7%
Visited dentist	46.1%
Cholesterol screening	87.5%
Teeth loss	25.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	138	21.2%

Disability	%
Any disability	39.4%
Under 18	0.0%
18–64 years	24.9%
65 and over	77.2%

Health insurance coverage

Type	%
Private insurance	55.2%
Public insurance	57.4%
No insurance	4.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	794	100.0%
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)	794	100.0%
Born in same state	794	100.0%
Born in different state	709	89.3%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	110	13.9%
Italian	72	9.1%

Ancestry	Count	%
French	48	6%

Technology access

Metric	% of households
Computer access	39.7%
Internet access	100.0%

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

Frequently asked questions about ZIP code 41855

What city is ZIP code 41855 in?

ZIP code 41855 is primarily assigned to Thornton, Kentucky.

What county is ZIP code 41855 in?

ZIP code 41855 falls within Letcher County, Kentucky.

Does ZIP code 41855 have a large retiree population?

63% of households in ZIP code 41855 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 41855 have an older population?

36% of residents in ZIP code 41855 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 41855?

6% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is ZIP code 41855 mostly owner-occupied?

92% of occupied units in ZIP code 41855 are owner-occupied, well above the national average.

What timezone is ZIP code 41855 in?

ZIP code 41855 observes the EST timezone.