40997 ZIP Code — Walker, KY

Knox County, Kentucky

ZIP code 40997 is located in Walker, Kentucky, within Knox County. It covers approximately 25.66 square miles and serves a population of 347 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 606.

About ZIP code 40997

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 $47,300. Owner-occupancy sits near the national average at 63%.

The dominant occupation class is natural resources, construction, and trades, with education and healthcare as the leading industry. An above-average commute of 39 minutes suggests many residents work outside the immediate area.

College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of obesity (50%), diabetes (18%), smoking (39%), poor mental health (23%) compared to national benchmarks.

Overall, ZIP code 40997 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.

347

population

25.66

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

40997 ZIP code map

Cities in ZIP code 40997

Below are the cities the US Postal Service accepts for ZIP code 40997. Using any city not on this list may result in mail delivery delays.

City	Status
Walker	Acceptable

Demographics updated 05/2026

Population
Total population	347
Population density	14 / sq mi
State FIPS	21
County FIPS	121

Geography
Land area	25.66 sq mi
Water area	0.00 sq mi
Latitude	36.8809
Longitude	-83.6814
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	93.9%	72.0%	47.9%
$50k – $100k	6.1%	20.7%	30.3%
$100k – $200k	0.0%	6.7%	17.6%
Over $200k	0.0%	0.6%	4.2%

Demographics & statistics

347

Population

People per sq mi

27.5

Median age

Median household income

$14,092

Per capita income

$47,300

Median home value

$532

Median monthly rent

62.9%

Home ownership

50.4%

Poverty rate

0.0%

Unemployment

145

Housing units

14.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

← Male

Female →

Age summary

Group	Count	%
Under 18	150	43.2%
18 and over	197	56.8%
65 and over	15	4.3%
Median age	27.5 years

Race & ethnicity

White 100%

Group	Count	%
White	347	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	93.9%	72.0%	47.9%
$50k – $100k	6.1%	20.7%	30.3%
$100k – $200k	0.0%	6.7%	17.6%
Over $200k	0.0%	0.6%	4.2%

Under $10k 47.6%

$10k–$15k 10.5%

$15k–$25k 4.2%

$25k–$35k 7.0%

$75k–$100k 23.1%

$100k–$150k 7.7%

Range	% of households
Under $10k	47.6%
$10k–$15k	10.5%
$15k–$25k	4.2%
$25k–$35k	7.0%
$75k–$100k	23.1%
$100k–$150k	7.7%
Median income	$0

Housing

Home values

Under $50k 61.1%

$50k–$100k 38.9%

Housing overview

Metric	Value
Median home value	$47,300
Median rent / month	$532
Owner occupied	62.9%
Renter occupied	37.1%
Vacant	27.8%
Single-family detached	51.5%
Large apartment buildings	0.0%
Mobile homes	48.5%
Median rooms	6.0
Avg household size (owned)	2.28

Year built

Era	%
2020 or later	0.0%
2010–2019	10.6%
2000–2009	12.1%
1990–1999	30.8%
1980–1989	17.2%
1970–1979	17.7%
1960–1969	8.6%
1950–1959	3.0%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	27.3%
3 bedrooms	45.5%
4 bedrooms	13.1%
5+ bedrooms	14.1%

Vehicles per household

Vehicles	% of households
No vehicle	20.3%
1 vehicle	10.5%
2 vehicles	29.4%
3 or more	39.9%

Heating fuel

Fuel type	%
Electricity	82.5%
Propane / LP gas	2.8%
No fuel used	10.5%

Households & families

Household type	Count	%
Married-couple family	44	30.8%
Cohabiting couple	4	2.8%
Male householder, no spouse	45	31.5%
Female householder, no spouse	50	35.0%
Households with children under 18	82	57.3%
Households with seniors (65+)	15	10.5%
Average household size	2.43

Marital status

Status	Male	Female
Never married	15.0%	24.5%
Married	57.0%	47.2%
Separated	0.0%	8.5%
Widowed	0.0%	14.2%
Divorced	28.0%	5.7%

Education

Less than 9th grade 18.6%

Some HS, no diploma 0.0%

HS graduate 56.3%

Some college, no degree 10.9%

Associate's degree 0.0%

Bachelor's degree 8.2%

Graduate / professional 6.0%

Metric	%
HS diploma or higher	81.4%
Bachelor's or higher	14.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	33	27.7%
Kindergarten	0	0.0%
Elementary school	70	58.8%
High school	16	13.4%
College / grad school	0	0.0%

Employment

Industry of employment

Education & healthcare 50.5%

Agriculture & mining 32.7%

Professional & management 11.9%

Retail trade 5.0%

Occupation

Category	%
Management, business & arts	38.6%
Service	13.9%
Sales & office	5.0%
Natural resources & construction	42.6%
Production & transportation	0.0%

Employment type

Type	%
Private sector	72.3%
Government	27.7%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	56.4%
Carpool	32.7%
Public transit	0.0%
Walk	10.9%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	38.9

Poverty

All people 50.4%

Under 18 years 61.3%

18 and over 42.1%

Married-couple families 0.0%

Female-led households 100.0%

Income support

Source	% of households
Social Security	25.9%
Retirement income	0.0%
Supplemental Security	26.6%
Cash public assistance	0.0%
Food stamps / SNAP	58.0%

Health indicators

Condition	%
Obesity	50.2%
High blood pressure	49.6%
High cholesterol	40.5%
Diabetes	18.1%
Heart disease	11.8%
Stroke	6.2%
Asthma	14.3%
Arthritis	38.9%
Kidney disease	4.9%
Pulmonary disease	20.2%
Cancer	6.5%

Behavior / access	%
Smoking	38.5%
Binge drinking	13.0%
No physical activity	45.5%
Less than 7 hrs sleep	40.7%
Depression	31.6%
Fair or poor health	37.9%
Poor mental health	23.4%
Poor physical health	23.6%
No health insurance	16.7%
Visited doctor (checkup)	76.6%
Visited dentist	35.3%
Cholesterol screening	84.6%
Teeth loss	38.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	6	3.0%

Disability	%
Any disability	15.3%
Under 18	4.0%
18–64 years	17.6%
65 and over	100.0%

Health insurance coverage

Type	%
Private insurance	49.6%
Public insurance	53.6%
No insurance	2.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	289	83.3%
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)	347	100.0%
Born in same state	347	100.0%
Born in different state	324	93.4%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	25	7.2%
Italian	15	4.3%

Ancestry	Count	%
Polish	6	1.7%

Technology access

Metric	% of households
Computer access	41.2%
Internet access	76.9%

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

Frequently asked questions about ZIP code 40997

What city is ZIP code 40997 in?

ZIP code 40997 is primarily assigned to Walker, Kentucky.

What county is ZIP code 40997 in?

ZIP code 40997 falls within Knox County, Kentucky.

What is the poverty rate in ZIP code 40997?

50% of residents in ZIP code 40997 live below the poverty line, above the national average.

Is ZIP code 40997 family-oriented?

43% of residents in ZIP code 40997 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 40997?

14% 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 40997?

Health data for ZIP code 40997 shows elevated rates of obesity (50%) and diabetes (18%) and smoking (39%) compared to national benchmarks.

What timezone is ZIP code 40997 in?

ZIP code 40997 observes the EST timezone.