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Kentucky ZIP Codes
Washington County
Willisburg, KY
40078
40078 ZIP Code — Willisburg, KY
Washington County, Kentucky
ZIP code 40078 is located in
Willisburg ,
Kentucky ,
within Washington County .
It covers approximately 61.12 square miles and serves a population of
3,021 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 859 .
About ZIP code 40078
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $131,900. Owner-occupancy is high at 80%, well above the national average.
Median household income is $53,125. Poverty affects 21% of residents, above the national average. 47% 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 33 minutes is near the national average.
College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (26%) compared to national benchmarks. 24% of residents lack health insurance, above the national average.
Overall, ZIP code 40078 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, high homeownership, and a significant Social Security-dependent population.
40078 ZIP code map
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Cities in ZIP code 40078
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
3,021
Population density
49 / sq mi
State FIPS
21
County FIPS
229
Geography
Land area
61.12 sq mi
Water area
1.16 sq mi
Latitude
37.8390
Longitude
-85.1405
Timezone
Eastern (ET)
Area code
859
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
50.4%
44.5%
47.9%
$50k – $100k
31.5%
33.7%
30.3%
$100k – $200k
14.7%
16.9%
17.6%
Over $200k
3.4%
4.8%
4.2%
Demographics & statistics
$53,125
Median household income
$131,900
Median home value
$1,029
Median monthly rent
15.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 835 27.6%
18 and over 2,186 72.4%
65 and over 373 12.3%
Median age 34.6 years
Race & ethnicity
Black or African American
0.1%
Group Count %
White 2,873 93.6%
Two or more races 118 3.8%
Hispanic or Latino 50 1.6%
Other race 19 0.6%
Asian 7 0.2%
Black or African American 4 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
50.4%
44.5%
47.9%
$50k – $100k
31.5%
33.7%
30.3%
$100k – $200k
14.7%
16.9%
17.6%
Over $200k
3.4%
4.8%
4.2%
Range % of households
Under $10k 4.0%
$10k–$15k 21.6%
$15k–$25k 3.4%
$25k–$35k 15.2%
$35k–$50k 3.6%
$50k–$75k 16.9%
$75k–$100k 15.0%
$100k–$150k 10.2%
$150k–$200k 3.7%
$200k+ 6.5%
Median income $53,125
Housing
Housing overview
Metric Value
Median home value $131,900
Median rent / month $1,029
Owner occupied 79.7%
Renter occupied 20.3%
Vacant 11.1%
Single-family detached 81.4%
Large apartment buildings 0.0%
Mobile homes 18.4%
Median rooms 5.6
Avg household size (owned) 3.10
Year built
Era %
2020 or later 0.0%
2010–2019 8.3%
2000–2009 23.8%
1990–1999 25.8%
1980–1989 9.4%
1970–1979 8.8%
1960–1969 6.8%
1950–1959 4.2%
1940–1949 4.1%
1939 or earlier 8.8%
Bedrooms
Size % of units
No bedroom (studio) 0.4%
1 bedroom 7.6%
2 bedrooms 21.5%
3 bedrooms 57.0%
4 bedrooms 12.4%
5+ bedrooms 1.2%
Vehicles per household
Vehicles % of households
No vehicle 7.6%
1 vehicle 26.1%
2 vehicles 38.8%
3 or more 27.4%
Heating fuel
Fuel type %
Utility gas 1.0%
Electricity 56.5%
Propane / LP gas 27.4%
Fuel oil 0.1%
Wood 13.8%
Solar 0.1%
No fuel used 0.4%
Households & families
Household type Count %
Married-couple family 540 55.5%
Cohabiting couple 61 6.3%
Male householder, no spouse 235 24.2%
Female householder, no spouse 137 14.1%
Households with children under 18 258 26.5%
Households with seniors (65+) 299 30.7%
Average household size 2.98
Marital status
Status Male Female
Never married 27.2% 18.0%
Married 46.9% 61.8%
Separated 0.6% 1.4%
Widowed 0.2% 10.5%
Divorced 25.1% 8.2%
Education
Some HS, no diploma
11.6%
Some college, no degree
21.3%
Graduate / professional
5.5%
Metric %
HS diploma or higher 78.6%
Bachelor's or higher 15.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 48 9.0%
Elementary school 405 76.0%
High school 42 7.9%
College / grad school 38 7.1%
Employment
Industry of employment
Education & healthcare
21.5%
Arts, food & hospitality
7.0%
Transportation & utilities
5.4%
Agriculture & mining
3.9%
Public administration
3.7%
Professional & management
1.2%
Occupation
Category %
Management, business & arts 26.9%
Service 19.1%
Sales & office 15.0%
Natural resources & construction 12.2%
Production & transportation 26.8%
Employment type
Type %
Private sector 72.8%
Government 12.6%
Self-employed 13.5%
Unpaid family workers 1.1%
Commute
Method %
Drive alone 73.6%
Carpool 11.7%
Public transit 0.0%
Walk 1.9%
Work from home 12.2%
Other means 0.7%
Avg commute (minutes) 32.9
Poverty
Married-couple families
7.4%
Female-led households
62.9%
Income support
Source % of households
Social Security 46.8%
Retirement income 25.1%
Supplemental Security 9.9%
Cash public assistance 0.7%
Food stamps / SNAP 14.1%
Health indicators
Condition %
Obesity 40.1%
High blood pressure 40.9%
High cholesterol 37.9%
Diabetes 12.4%
Heart disease 8.0%
Stroke 3.7%
Asthma 11.4%
Arthritis 32.9%
Kidney disease 3.2%
Pulmonary disease 11.4%
Cancer 6.8%
Behavior / access %
Smoking 25.7%
Binge drinking 15.5%
No physical activity 33.9%
Less than 7 hrs sleep 37.3%
Depression 26.6%
Fair or poor health 22.0%
Poor mental health 18.6%
Poor physical health 15.1%
No health insurance 11.7%
Visited doctor (checkup) 76.4%
Visited dentist 52.1%
Cholesterol screening 89.4%
Teeth loss 21.4%
Veterans & disability
Veterans Count %
Civilian veterans 77 3.5%
Disability %
Any disability 21.0%
Under 18 6.3%
18–64 years 18.1%
65 and over 67.6%
Health insurance coverage
Type %
Private insurance 51.7%
Public insurance 30.5%
No insurance 23.8%
Uninsured under 19 52.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 2,824 93.5%
Spanish 98 3.5%
Other Indo-European 0 0.0%
Asian & Pacific Islander 91 3.2%
Other languages 7 0.2%
Place of birth & citizenship
Origin Count %
Native born (US) 3,014 99.8%
Born in same state 3,014 99.8%
Born in different state 2,147 71.1%
Foreign born 0 0.0%
Naturalized citizen 7 0.2%
Not a US citizen 7 100.0%
Ancestry
Ancestry Count %
Arab 355 11.8%
French 187 6.2%
Italian 144 4.8%
Ancestry Count %
German 14 0.5%
English 14 0.5%
Technology access
Metric % of households
Computer access 32.2%
Internet access 82.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 40078
What city is ZIP code 40078 in?
ZIP code 40078 is primarily assigned to Willisburg, Kentucky.
What county is ZIP code 40078 in?
ZIP code 40078 falls within Washington County, Kentucky.
Does ZIP code 40078 have a large retiree population?
47% of households in ZIP code 40078 receive Social Security income, suggesting a significant retiree or disability population.
What is the poverty rate in ZIP code 40078?
21% of residents in ZIP code 40078 live below the poverty line, above the national average.
What is the typical home value in ZIP code 40078?
The median home value in ZIP code 40078 is $131,900.
What is the population of ZIP code 40078?
ZIP code 40078 has an estimated population of 3,021 residents, with a density of 49 people per square mile.
What timezone is ZIP code 40078 in?
ZIP code 40078 observes the EST timezone.
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