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Kentucky ZIP Codes
Metcalfe County
Knob Lick, KY
42154
42154 ZIP Code — Knob Lick, KY
Metcalfe County, Kentucky
ZIP code 42154 is located in
Knob Lick ,
Kentucky ,
within Metcalfe County .
It covers approximately 24.18 square miles and serves a population of
482 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 270/364 .
About ZIP code 42154
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $79,800.
Median household income is $46,264. The poverty rate of 3% is below the national average. 45% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 29 minutes is near the national average.
College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (27%) compared to national benchmarks.
Overall, ZIP code 42154 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
42154 ZIP code map
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Cities in ZIP code 42154
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
482
Population density
20 / sq mi
State FIPS
21
County FIPS
169
Geography
Land area
24.18 sq mi
Water area
0.21 sq mi
Latitude
37.0540
Longitude
-85.7264
Timezone
Central (CT)
Area code
270/364
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
70.1%
62.9%
47.9%
$50k – $100k
22.1%
26.6%
30.3%
$100k – $200k
7.8%
10.1%
17.6%
Over $200k
0.0%
0.4%
4.2%
Demographics & statistics
$46,264
Median household income
16.1%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 108 22.4% 18 and over 374 77.6% 65 and over 153 31.7% Median age 53.2 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
70.1%
62.9%
47.9%
$50k – $100k
22.1%
26.6%
30.3%
$100k – $200k
7.8%
10.1%
17.6%
Over $200k
0.0%
0.4%
4.2%
Range % of households Under $10k 7.2% $15k–$25k 10.4% $35k–$50k 51.8% $50k–$75k 15.8% $100k–$150k 9.0% $150k–$200k 5.9% Median income $46,264
Housing
Housing overview
Metric Value Median home value $79,800 Median rent / month $0 Owner occupied 100.0% Renter occupied 0.0% Vacant 17.5% Single-family detached 65.1% Large apartment buildings 0.0% Mobile homes 34.9% Median rooms 5.3 Avg household size (owned) 2.17
Year built
Era % 2020 or later 0.0% 2010–2019 0.0% 2000–2009 18.2% 1990–1999 18.2% 1980–1989 16.4% 1970–1979 5.2% 1960–1969 2.2% 1950–1959 34.9% 1940–1949 0.0% 1939 or earlier 4.8%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 3.3% 2 bedrooms 23.4% 3 bedrooms 63.9% 4 bedrooms 5.2% 5+ bedrooms 4.1%
Vehicles per household
Vehicles % of households No vehicle 4.1% 1 vehicle 39.2% 2 vehicles 20.3% 3 or more 36.5%
Heating fuel
Fuel type % Utility gas 36.0% Electricity 47.3% Propane / LP gas 5.9% Wood 10.8%
Households & families
Household type Count % Married-couple family 123 55.4% Cohabiting couple 0 0.0% Male householder, no spouse 69 31.1% Female householder, no spouse 30 13.5% Households with children under 18 104 46.8% Households with seniors (65+) 94 42.3% Average household size 2.17
Marital status
Status Male Female Never married 25.5% 3.3% Married 49.8% 73.3% Separated 0.0% 6.7% Widowed 0.0% 16.7% Divorced 24.7% 0.0%
Education
Some HS, no diploma
11.3%
Some college, no degree
34.3%
Graduate / professional
8.5%
Metric % HS diploma or higher 85.0% Bachelor's or higher 16.1%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 7 7.1% Elementary school 52 53.1% High school 33 33.7% College / grad school 6 6.1%
Employment
Industry of employment
Education & healthcare
22.2%
Arts, food & hospitality
14.4%
Finance & real estate
7.2%
Public administration
3.1%
Occupation
Category % Management, business & arts 20.1% Service 14.4% Sales & office 8.8% Natural resources & construction 7.2% Production & transportation 49.5%
Employment type
Type % Private sector 93.8% Government 6.2% Self-employed 0.0% Unpaid family workers 0.0%
Commute
Method % Drive alone 83.0% Carpool 17.0% Public transit 0.0% Walk 0.0% Work from home 0.0% Other means 0.0% Avg commute (minutes) 28.6
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households Social Security 44.6% Retirement income 7.7% Supplemental Security 9.5% Cash public assistance 0.0% Food stamps / SNAP 12.2%
Health indicators
Condition % Obesity 40.4% High blood pressure 42.5% High cholesterol 36.4% Diabetes 13.3% Heart disease 8.4% Stroke 4.1% Asthma 12.0% Arthritis 33.2% Kidney disease 3.5% Pulmonary disease 12.4% Cancer 6.4%
Behavior / access % Smoking 26.6% Binge drinking 14.9% No physical activity 35.0% Less than 7 hrs sleep 38.7% Depression 27.3% Fair or poor health 24.5% Poor mental health 19.6% Poor physical health 16.1% No health insurance 12.8% Visited doctor (checkup) 76.7% Visited dentist 47.5% Cholesterol screening 87.7% Teeth loss 25.3%
Veterans & disability
Veterans Count % Civilian veterans 35 9.4%
Disability % Any disability 11.8% Under 18 0.0% 18–64 years 0.0% 65 and over 37.3%
Health insurance coverage
Type % Private insurance 73.2% Public insurance 50.6% No insurance 0.0% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 482 100.0% 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) 482 100.0% Born in same state 482 100.0% Born in different state 387 80.3% Foreign born 0 0.0% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Arab 124 25.7% Italian 123 25.5%
Ancestry Count % English 53 11% French 16 3.3%
Technology access
Metric % of households Computer access 46.1% Internet access 92.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 42154
What city is ZIP code 42154 in?
ZIP code 42154 is primarily assigned to Knob Lick, Kentucky.
What county is ZIP code 42154 in?
ZIP code 42154 falls within Metcalfe County, Kentucky.
Does ZIP code 42154 have an older population?
32% of residents in ZIP code 42154 are 65 or older, above the national average of ~17%.
Does ZIP code 42154 have a large retiree population?
45% of households in ZIP code 42154 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 42154?
The median home value in ZIP code 42154 is $79,800.
Does ZIP code 42154 have a large veteran population?
9% of civilians in ZIP code 42154 are veterans, above the national average of ~7%.
What timezone is ZIP code 42154 in?
ZIP code 42154 observes the CST timezone.
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