40906 ZIP Code — Barbourville, KY

Knox County, Kentucky

ZIP code 40906 is located in Barbourville, Kentucky, within Knox County. It covers approximately 137.37 square miles and serves a population of 11,665 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 606.

About ZIP code 40906

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 $121,000. Owner-occupancy sits near the national average at 58%.

The gap between median ($22,221) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 38% of residents, above the national average. SNAP benefit usage at 27% of households reflects economic stress in the area. 41% 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 20 minutes is near the national average.

College attainment at 21% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (46%), smoking (30%) compared to national benchmarks.

Notable community characteristics include disability rates above the national average at 24%.

Overall, ZIP code 40906 reflects a community defined by economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

11,665

population

137.37

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

40906 ZIP code map

Cities in ZIP code 40906

Below are the cities the US Postal Service accepts for ZIP code 40906. Using any city not on this list may result in mail delivery delays.

City	Status
Barbourville	Acceptable
Barbourville	Preferred

Nearby ZIP codes

40949 Heidrick (5.4 mi) 40921 Bryants Store (5.7 mi) 40903 Artemus (6.5 mi) 40915 Bimble (6.7 mi) 40734 Gray (7.3 mi) 40759 Rockholds (7.3 mi) 40771 Woodbine (8 mi) 40995 Trosper (8.1 mi) 40953 Hinkle (9 mi) 40923 Cannon (9.1 mi) 40943 Girdler (9.5 mi) 40935 Flat Lick (9.6 mi)

Demographics updated 05/2026

Population
Total population	11,665
Population density	85 / sq mi
State FIPS	21
County FIPS	121

Geography
Land area	137.37 sq mi
Water area	0.83 sq mi
Latitude	36.8424
Longitude	-83.9393
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	69.4%	72.0%	47.9%
$50k – $100k	20.8%	20.7%	30.3%
$100k – $200k	8.5%	6.7%	17.6%
Over $200k	1.2%	0.6%	4.2%

Demographics & statistics

11,665

Population

People per sq mi

38.8

Median age

$22,221

Median household income

$21,824

Per capita income

$121,000

Median home value

$669

Median monthly rent

57.8%

Home ownership

37.8%

Poverty rate

12.9%

Unemployment

3,636

Housing units

20.7%

Bachelor's or higher

Age distribution

Male Female

326

Under 5

398

279

5–9

341

347

10–14

424

361

15–19

441

399

20–24

488

749

25–34

915

539

35–44

659

564

45–54

689

348

55–59

426

335

60–64

409

494

65–74

604

352

75–84

430

157

85+

191

← Male

Female →

Age summary

Group	Count	%
Under 18	2,509	21.5%
18 and over	9,156	78.5%
65 and over	2,228	19.1%
Median age	38.8 years

Race & ethnicity

White 96.6%

Black or African American 1.8%

Two or more races 0.7%

Hispanic or Latino 0.4%

American Indian / Alaska Native 0.3%

Asian 0.2%

Other race 0.1%

Group	Count	%
White	11,313	96.6%
Black or African American	205	1.8%
Two or more races	79	0.7%
Hispanic or Latino	49	0.4%
American Indian / Alaska Native	36	0.3%
Asian	26	0.2%
Other race	6	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	69.4%	72.0%	47.9%
$50k – $100k	20.8%	20.7%	30.3%
$100k – $200k	8.5%	6.7%	17.6%
Over $200k	1.2%	0.6%	4.2%

Under $10k 13.8%

$10k–$15k 16.8%

$15k–$25k 20.9%

$25k–$35k 6.8%

$35k–$50k 8.5%

$50k–$75k 8.7%

$75k–$100k 8.1%

$100k–$150k 10.6%

$150k–$200k 2.9%

$200k+ 2.9%

Range	% of households
Under $10k	13.8%
$10k–$15k	16.8%
$15k–$25k	20.9%
$25k–$35k	6.8%
$35k–$50k	8.5%
$50k–$75k	8.7%
$75k–$100k	8.1%
$100k–$150k	10.6%
$150k–$200k	2.9%
$200k+	2.9%
Median income	$22,221

Housing

Home values

Under $50k 18.4%

$50k–$100k 23.7%

$100k–$150k 14.8%

$150k–$200k 19.5%

$200k–$300k 14.6%

$300k–$500k 7.7%

$500k–$1M 1.4%

Housing overview

Metric	Value
Median home value	$121,000
Median rent / month	$669
Owner occupied	57.8%
Renter occupied	42.2%
Vacant	17.4%
Single-family detached	59.2%
Large apartment buildings	0.0%
Mobile homes	23.3%
Median rooms	5.6
Avg household size (owned)	2.37

Year built

Era	%
2020 or later	1.5%
2010–2019	2.8%
2000–2009	9.4%
1990–1999	19.1%
1980–1989	11.9%
1970–1979	18.0%
1960–1969	15.2%
1950–1959	6.3%
1940–1949	3.0%
1939 or earlier	12.8%

Bedrooms

Size	% of units
No bedroom (studio)	2.4%
1 bedroom	6.5%
2 bedrooms	28.1%
3 bedrooms	46.4%
4 bedrooms	10.8%
5+ bedrooms	5.7%

Vehicles per household

Vehicles	% of households
No vehicle	21.2%
1 vehicle	34.4%
2 vehicles	22.0%
3 or more	22.3%

Heating fuel

Fuel type	%
Utility gas	39.2%
Electricity	53.6%
Propane / LP gas	2.9%
Fuel oil	1.5%
Wood	2.3%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	1,757	38.1%
Cohabiting couple	226	4.9%
Male householder, no spouse	835	18.1%
Female householder, no spouse	1,790	38.8%
Households with children under 18	1,212	26.3%
Households with seniors (65+)	1,632	35.4%
Average household size	2.41

Marital status

Status	Male	Female
Never married	36.1%	24.7%
Married	45.4%	40.2%
Separated	1.6%	6.5%
Widowed	3.0%	15.8%
Divorced	13.8%	12.8%

Education

Less than 9th grade 10.0%

Some HS, no diploma 7.9%

HS graduate 37.5%

Some college, no degree 18.7%

Associate's degree 5.2%

Bachelor's degree 12.4%

Graduate / professional 8.3%

Metric	%
HS diploma or higher	82.1%
Bachelor's or higher	20.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	88	3.2%
Kindergarten	105	3.9%
Elementary school	1,203	44.2%
High school	529	19.5%
College / grad school	794	29.2%

Employment

Industry of employment

Education & healthcare 34.1%

Retail trade 17.2%

Professional & management 11.0%

Arts, food & hospitality 7.9%

Transportation & utilities 6.3%

Agriculture & mining 5.2%

Wholesale trade 5.2%

Manufacturing 3.6%

Public administration 3.5%

Construction 3.3%

Other services 1.9%

Finance & real estate 0.7%

Occupation

Category	%
Management, business & arts	35.1%
Service	20.0%
Sales & office	24.8%
Natural resources & construction	9.0%
Production & transportation	11.1%

Employment type

Type	%
Private sector	79.4%
Government	15.2%
Self-employed	5.0%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	82.2%
Carpool	9.2%
Public transit	0.0%
Walk	2.2%
Work from home	5.8%
Other means	0.6%
Avg commute (minutes)	20.3

Poverty

All people 37.8%

Under 18 years 54.8%

18 and over 33.0%

Married-couple families 19.0%

Female-led households 80.1%

Income support

Source	% of households
Social Security	41.0%
Retirement income	17.5%
Supplemental Security	18.0%
Cash public assistance	2.1%
Food stamps / SNAP	27.1%

Health indicators

Condition	%
Obesity	45.8%
High blood pressure	44.8%
High cholesterol	38.2%
Diabetes	14.5%
Heart disease	9.3%
Stroke	4.7%
Asthma	12.8%
Arthritis	35.0%
Kidney disease	4.0%
Pulmonary disease	14.9%
Cancer	6.6%

Behavior / access	%
Smoking	30.4%
Binge drinking	14.0%
No physical activity	38.6%
Less than 7 hrs sleep	39.0%
Depression	28.8%
Fair or poor health	28.6%
Poor mental health	21.0%
Poor physical health	18.4%
No health insurance	13.4%
Visited doctor (checkup)	77.0%
Visited dentist	45.1%
Cholesterol screening	86.6%
Teeth loss	28.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	443	4.8%

Disability	%
Any disability	23.9%
Under 18	9.9%
18–64 years	21.6%
65 and over	48.6%

Health insurance coverage

Type	%
Private insurance	38.9%
Public insurance	66.1%
No insurance	6.8%
Uninsured under 19	0.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	10,941	93.8%
Spanish	24	0.2%
Other Indo-European	14	0.1%
Asian & Pacific Islander	10	0.1%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,581	99.3%
Born in same state	11,571	99.2%
Born in different state	9,140	78.4%
Foreign born	10	0.1%
Naturalized citizen	84	0.7%
Not a US citizen	51	60.7%

Ancestry

Ancestry	Count	%
French	1,274	10.9%
Italian	1,230	10.5%

Ancestry	Count	%
Arab	816	7%
English	107	0.9%

Technology access

Metric	% of households
Computer access	39.5%
Internet access	81.0%

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

Frequently asked questions about ZIP code 40906

What city is ZIP code 40906 in?

ZIP code 40906 is primarily assigned to Barbourville, Kentucky.

What county is ZIP code 40906 in?

ZIP code 40906 falls within Knox County, Kentucky.

What is the poverty rate in ZIP code 40906?

38% of residents in ZIP code 40906 live below the poverty line, above the national average.

Does ZIP code 40906 have a large retiree population?

41% of households in ZIP code 40906 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 40906?

The median household income in ZIP code 40906 is $22,221, below the national median of ~$75,000.

What is the typical home value in ZIP code 40906?

The median home value in ZIP code 40906 is $121,000.

What timezone is ZIP code 40906 in?

ZIP code 40906 observes the EST timezone.