40935 ZIP Code — Flat Lick, KY

Knox County, Kentucky

ZIP code 40935 is located in Flat Lick, Kentucky, within Knox County. It covers approximately 61.86 square miles and serves a population of 2,132 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 606.

About ZIP code 40935

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 sits near the national average at 61%.

Median household income is $21,001. Poverty affects 59% of residents, above the national average. SNAP benefit usage at 46% of households reflects economic stress in the area. 38% 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. An above-average commute of 43 minutes suggests many residents work outside the immediate area.

College attainment at 10% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (49%), diabetes (17%), smoking (37%), poor mental health (23%) compared to national benchmarks.

Overall, ZIP code 40935 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.

2,132

population

61.86

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

40935 ZIP code map

Cities in ZIP code 40935

Below are the cities the US Postal Service accepts for ZIP code 40935. Using any city not on this list may result in mail delivery delays.

City	Status
Flat Lick	Acceptable
Flat Lick	Preferred

Nearby ZIP codes

40953 Hinkle (2.7 mi) 40903 Artemus (3.1 mi) 40939 Fourmile (3.7 mi) 40915 Bimble (4.4 mi) 40995 Trosper (5.9 mi) 40949 Heidrick (7 mi) 40982 Scalf (7.3 mi) 40902 Arjay (7.5 mi) 40977 Pineville (7.7 mi) 40923 Cannon (7.9 mi) 40906 Barbourville (9.6 mi) 40943 Girdler (9.6 mi)

Demographics updated 05/2026

Population
Total population	2,132
Population density	34 / sq mi
State FIPS	21
County FIPS	121

Geography
Land area	61.86 sq mi
Water area	0.06 sq mi
Latitude	36.8447
Longitude	-83.7665
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	90.0%	72.0%	47.9%
$50k – $100k	6.3%	20.7%	30.3%
$100k – $200k	3.7%	6.7%	17.6%
Over $200k	0.0%	0.6%	4.2%

Demographics & statistics

2,132

Population

People per sq mi

35.6

Median age

$21,001

Median household income

$12,811

Per capita income

Median home value

$687

Median monthly rent

60.7%

Home ownership

59.2%

Poverty rate

28.7%

Unemployment

803

Housing units

9.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

114

5–9

110

10–14

15–19

20–24

126

25–34

122

110

35–44

105

245

45–54

235

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	560	26.3%
18 and over	1,572	73.7%
65 and over	172	8.1%
Median age	35.6 years

Race & ethnicity

White 98.4%

Two or more races 1.6%

Group	Count	%
White	2,098	98.4%
Two or more races	34	1.6%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	90.0%	72.0%	47.9%
$50k – $100k	6.3%	20.7%	30.3%
$100k – $200k	3.7%	6.7%	17.6%
Over $200k	0.0%	0.6%	4.2%

Under $10k 13.6%

$10k–$15k 14.0%

$15k–$25k 43.4%

$25k–$35k 1.0%

$35k–$50k 7.6%

$50k–$75k 10.3%

$75k–$100k 3.3%

$100k–$150k 6.3%

$200k+ 0.5%

Range	% of households
Under $10k	13.6%
$10k–$15k	14.0%
$15k–$25k	43.4%
$25k–$35k	1.0%
$35k–$50k	7.6%
$50k–$75k	10.3%
$75k–$100k	3.3%
$100k–$150k	6.3%
$200k+	0.5%
Median income	$21,001

Housing

Home values

Under $50k 55.6%

$50k–$100k 20.5%

$100k–$150k 14.2%

$200k–$300k 8.9%

$500k–$1M 0.8%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$687
Owner occupied	60.7%
Renter occupied	39.3%
Vacant	29.8%
Single-family detached	50.9%
Large apartment buildings	0.0%
Mobile homes	45.4%
Median rooms	5.2
Avg household size (owned)	2.56

Year built

Era	%
2020 or later	0.0%
2010–2019	0.4%
2000–2009	14.7%
1990–1999	24.2%
1980–1989	18.9%
1970–1979	21.2%
1960–1969	11.9%
1950–1959	2.2%
1940–1949	2.3%
1939 or earlier	4.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	8.8%
2 bedrooms	37.3%
3 bedrooms	43.4%
4 bedrooms	5.7%
5+ bedrooms	4.8%

Vehicles per household

Vehicles	% of households
No vehicle	0.6%
1 vehicle	61.7%
2 vehicles	22.8%
3 or more	14.8%

Heating fuel

Fuel type	%
Utility gas	20.9%
Electricity	61.5%
Propane / LP gas	0.6%
Wood	8.3%

Households & families

Household type	Count	%
Married-couple family	415	53.3%
Cohabiting couple	0	0.0%
Male householder, no spouse	186	23.9%
Female householder, no spouse	178	22.8%
Households with children under 18	333	42.7%
Households with seniors (65+)	157	20.2%
Average household size	2.74

Marital status

Status	Male	Female
Never married	18.6%	21.4%
Married	50.8%	59.0%
Separated	10.2%	2.7%
Widowed	3.1%	5.0%
Divorced	17.3%	11.9%

Education

Less than 9th grade 31.3%

Some HS, no diploma 23.0%

HS graduate 21.8%

Some college, no degree 10.5%

Associate's degree 3.7%

Bachelor's degree 4.5%

Graduate / professional 5.1%

Metric	%
HS diploma or higher	45.7%
Bachelor's or higher	9.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	52	16.7%
Kindergarten	56	17.9%
Elementary school	156	50.0%
High school	34	10.9%
College / grad school	14	4.5%

Employment

Industry of employment

Education & healthcare 40.0%

Retail trade 21.1%

Construction 16.4%

Information 10.8%

Public administration 9.6%

Manufacturing 2.2%

Occupation

Category	%
Management, business & arts	27.2%
Service	23.8%
Sales & office	24.5%
Natural resources & construction	18.4%
Production & transportation	6.1%

Employment type

Type	%
Private sector	70.3%
Government	26.2%
Self-employed	3.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	88.5%
Carpool	10.5%
Public transit	0.0%
Walk	0.0%
Work from home	1.0%
Other means	0.0%
Avg commute (minutes)	43.3

Poverty

All people 59.2%

Under 18 years 58.2%

18 and over 59.6%

Married-couple families 51.6%

Female-led households 98.1%

Income support

Source	% of households
Social Security	38.0%
Retirement income	5.8%
Supplemental Security	37.0%
Cash public assistance	9.8%
Food stamps / SNAP	46.1%

Health indicators

Condition	%
Obesity	49.3%
High blood pressure	48.3%
High cholesterol	39.1%
Diabetes	16.9%
Heart disease	10.9%
Stroke	5.7%
Asthma	13.7%
Arthritis	37.9%
Kidney disease	4.6%
Pulmonary disease	18.6%
Cancer	6.5%

Behavior / access	%
Smoking	36.5%
Binge drinking	13.5%
No physical activity	43.9%
Less than 7 hrs sleep	40.6%
Depression	30.6%
Fair or poor health	35.0%
Poor mental health	22.7%
Poor physical health	22.1%
No health insurance	15.7%
Visited doctor (checkup)	76.7%
Visited dentist	37.7%
Cholesterol screening	85.0%
Teeth loss	35.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	32	2.0%

Disability	%
Any disability	17.6%
Under 18	9.8%
18–64 years	18.6%
65 and over	34.3%

Health insurance coverage

Type	%
Private insurance	15.9%
Public insurance	81.8%
No insurance	6.1%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,937	90.9%
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)	2,132	100.0%
Born in same state	2,132	100.0%
Born in different state	1,778	83.4%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	146	6.8%

Ancestry	Count	%
French	4	0.2%

Technology access

Metric	% of households
Computer access	36.5%
Internet access	86.5%

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

Frequently asked questions about ZIP code 40935

What city is ZIP code 40935 in?

ZIP code 40935 is primarily assigned to Flat Lick, Kentucky.

What county is ZIP code 40935 in?

ZIP code 40935 falls within Knox County, Kentucky.

What is the poverty rate in ZIP code 40935?

59% of residents in ZIP code 40935 live below the poverty line, above the national average.

How educated is the population of ZIP code 40935?

10% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What are the health statistics for ZIP code 40935?

Health data for ZIP code 40935 shows elevated rates of obesity (49%) and diabetes (17%) and smoking (37%) compared to national benchmarks.

Does ZIP code 40935 have a large retiree population?

38% of households in ZIP code 40935 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 40935 in?

ZIP code 40935 observes the EST timezone.