40047 ZIP Code — Mount Washington, KY

Bullitt County, Kentucky

ZIP code 40047 is located in Mount Washington, Kentucky, within Bullitt County. It covers approximately 29.89 square miles and serves a population of 22,752 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 502.

About ZIP code 40047

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $237,100. Owner-occupancy is high at 89%, well above the national average.

Median household income is $91,181. The poverty rate of 6% is below the national average. 31% 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.

Educational attainment is near the national average, with 23% of residents holding a bachelor's degree or higher.

Health indicators show elevated rates of smoking (21%) compared to national benchmarks.

Overall, ZIP code 40047 reflects a community defined by high homeownership and a significant Social Security-dependent population.

22,752

population

29.89

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

40047 ZIP code map

Cities in ZIP code 40047

Below are the cities the US Postal Service accepts for ZIP code 40047. Using any city not on this list may result in mail delivery delays.

City	Status
Mount Washington	Acceptable
Mount Washington	Preferred

Nearby ZIP codes

40229 Louisville (6.2 mi) 40291 Louisville (6.4 mi) 40228 Louisville (8 mi) 40166 Shepherdsville (8.1 mi) 40299 Louisville (8.5 mi) 40013 Coxs Creek (8.5 mi) 40165 Shepherdsville (10.2 mi) 40219 Louisville (10.3 mi) 40071 Taylorsville (11.1 mi) 40109 Brooks (11.1 mi) 40118 Fairdale (11.4 mi) 40023 Fisherville (11.7 mi)

Demographics updated 05/2026

Population
Total population	22,752
Population density	761 / sq mi
State FIPS	21
County FIPS	029

Geography
Land area	29.89 sq mi
Water area	0.32 sq mi
Latitude	38.0396
Longitude	-85.5572
Timezone	Eastern (ET)
Area code	502

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.0%	35.5%	47.9%
$50k – $100k	35.8%	37.4%	30.3%
$100k – $200k	29.0%	23.6%	17.6%
Over $200k	3.2%	3.5%	4.2%

Demographics & statistics

22,752

Population

761

People per sq mi

38.5

Median age

$91,181

Median household income

$38,498

Per capita income

$237,100

Median home value

$857

Median monthly rent

88.7%

Home ownership

6.1%

Poverty rate

4.2%

Unemployment

7,962

Housing units

22.6%

Bachelor's or higher

Age distribution

Male Female

713

Under 5

684

909

5–9

873

759

10–14

730

718

15–19

690

646

20–24

620

1,474

25–34

1,415

1,557

35–44

1,496

1,616

45–54

1,553

714

55–59

686

691

60–64

663

1,112

65–74

1,069

435

75–84

417

261

85+

251

← Male

Female →

Age summary

Group	Count	%
Under 18	5,522	24.3%
18 and over	17,230	75.7%
65 and over	3,545	15.6%
Median age	38.5 years

Race & ethnicity

White 91.4%

Two or more races 3.9%

Hispanic or Latino 3%

Other race 0.9%

Asian 0.4%

Black or African American 0.3%

Group	Count	%
White	21,451	91.4%
Two or more races	911	3.9%
Hispanic or Latino	708	3%
Other race	216	0.9%
Asian	105	0.4%
Black or African American	66	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.0%	35.5%	47.9%
$50k – $100k	35.8%	37.4%	30.3%
$100k – $200k	29.0%	23.6%	17.6%
Over $200k	3.2%	3.5%	4.2%

Under $10k 2.4%

$10k–$15k 2.2%

$15k–$25k 6.6%

$25k–$35k 5.1%

$35k–$50k 7.8%

$50k–$75k 17.2%

$75k–$100k 16.1%

$100k–$150k 23.8%

$150k–$200k 12.1%

$200k+ 6.7%

Range	% of households
Under $10k	2.4%
$10k–$15k	2.2%
$15k–$25k	6.6%
$25k–$35k	5.1%
$35k–$50k	7.8%
$50k–$75k	17.2%
$75k–$100k	16.1%
$100k–$150k	23.8%
$150k–$200k	12.1%
$200k+	6.7%
Median income	$91,181

Housing

Home values

Under $50k 3.0%

$50k–$100k 1.2%

$100k–$150k 6.6%

$150k–$200k 22.7%

$200k–$300k 36.8%

$300k–$500k 25.2%

$500k–$1M 4.2%

$1M+ 0.2%

Housing overview

Metric	Value
Median home value	$237,100
Median rent / month	$857
Owner occupied	88.7%
Renter occupied	11.3%
Vacant	4.4%
Single-family detached	84.3%
Large apartment buildings	1.1%
Mobile homes	1.8%
Median rooms	6.0
Avg household size (owned)	2.72

Year built

Era	%
2020 or later	0.6%
2010–2019	17.9%
2000–2009	26.3%
1990–1999	20.7%
1980–1989	12.4%
1970–1979	10.6%
1960–1969	4.7%
1950–1959	5.0%
1940–1949	0.8%
1939 or earlier	0.9%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	1.9%
2 bedrooms	12.0%
3 bedrooms	63.0%
4 bedrooms	14.6%
5+ bedrooms	6.9%

Vehicles per household

Vehicles	% of households
No vehicle	2.8%
1 vehicle	25.2%
2 vehicles	39.0%
3 or more	33.1%

Heating fuel

Fuel type	%
Utility gas	48.6%
Electricity	46.9%
Propane / LP gas	4.0%
Fuel oil	0.1%
Wood	0.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	4,993	58.5%
Cohabiting couple	461	5.4%
Male householder, no spouse	1,141	13.4%
Female householder, no spouse	1,944	22.8%
Households with children under 18	3,093	36.2%
Households with seniors (65+)	2,433	28.5%
Average household size	2.65

Marital status

Status	Male	Female
Never married	28.6%	19.2%
Married	59.3%	56.7%
Separated	0.8%	1.5%
Widowed	2.9%	8.4%
Divorced	8.4%	14.2%

Education

Less than 9th grade 1.8%

Some HS, no diploma 5.7%

HS graduate 32.8%

Some college, no degree 25.6%

Associate's degree 11.5%

Bachelor's degree 14.3%

Graduate / professional 8.3%

Metric	%
HS diploma or higher	92.5%
Bachelor's or higher	22.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	446	8.3%
Kindergarten	325	6.1%
Elementary school	2,534	47.3%
High school	1,227	22.9%
College / grad school	827	15.4%

Employment

Industry of employment

Education & healthcare 18.8%

Manufacturing 11.7%

Retail trade 11.6%

Transportation & utilities 10.7%

Construction 9.2%

Professional & management 8.5%

Finance & real estate 8.1%

Arts, food & hospitality 5.3%

Other services 4.9%

Public administration 4.9%

Wholesale trade 4.0%

Information 1.9%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	34.4%
Service	12.7%
Sales & office	24.5%
Natural resources & construction	9.1%
Production & transportation	19.3%

Employment type

Type	%
Private sector	82.5%
Government	13.5%
Self-employed	3.5%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	82.6%
Carpool	9.1%
Public transit	0.0%
Walk	0.3%
Work from home	7.9%
Other means	0.1%
Avg commute (minutes)	33.2

Poverty

All people 6.1%

Under 18 years 5.9%

18 and over 6.2%

Married-couple families 3.7%

Female-led households 11.0%

Income support

Source	% of households
Social Security	31.3%
Retirement income	27.6%
Supplemental Security	4.8%
Cash public assistance	1.1%
Food stamps / SNAP	4.1%

Health indicators

Condition	%
Obesity	37.8%
High blood pressure	35.8%
High cholesterol	33.6%
Diabetes	9.4%
Heart disease	5.8%
Stroke	2.6%
Asthma	10.8%
Arthritis	27.5%
Kidney disease	2.5%
Pulmonary disease	8.1%
Cancer	6.1%

Behavior / access	%
Smoking	21.1%
Binge drinking	17.3%
No physical activity	27.5%
Less than 7 hrs sleep	37.4%
Depression	24.6%
Fair or poor health	15.9%
Poor mental health	17.7%
Poor physical health	11.6%
No health insurance	9.5%
Visited doctor (checkup)	75.0%
Visited dentist	59.1%
Cholesterol screening	90.2%
Teeth loss	14.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,722	10.0%

Disability	%
Any disability	12.7%
Under 18	4.6%
18–64 years	9.8%
65 and over	36.7%

Health insurance coverage

Type	%
Private insurance	82.7%
Public insurance	29.8%
No insurance	2.5%
Uninsured under 19	0.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	21,355	93.9%
Spanish	380	1.8%
Other Indo-European	285	1.3%
Asian & Pacific Islander	10	0.0%
Other languages	44	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	22,286	98.0%
Born in same state	22,183	97.5%
Born in different state	18,595	81.7%
Foreign born	103	0.5%
Naturalized citizen	466	2.0%
Not a US citizen	181	38.8%

Ancestry

Ancestry	Count	%
Italian	3,482	15.3%
French	2,758	12.1%
Arab	2,241	9.8%
English	289	1.3%

Ancestry	Count	%
German	283	1.2%
Polish	143	0.6%
Dutch	22	0.1%
Irish	10	0%

Technology access

Metric	% of households
Computer access	37.5%
Internet access	95.8%

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

Frequently asked questions about ZIP code 40047

What city is ZIP code 40047 in?

ZIP code 40047 is primarily assigned to Mount Washington, Kentucky.

What county is ZIP code 40047 in?

ZIP code 40047 falls within Bullitt County, Kentucky.

Is ZIP code 40047 mostly owner-occupied?

89% of occupied units in ZIP code 40047 are owner-occupied, well above the national average.

Does ZIP code 40047 have a large veteran population?

10% of civilians in ZIP code 40047 are veterans, above the national average of ~7%.

What is the population of ZIP code 40047?

ZIP code 40047 has an estimated population of 22,752 residents, with a density of 761 people per square mile.

What is the median household income in ZIP code 40047?

The median household income in ZIP code 40047 is $91,181, above the national median of ~$75,000.

What timezone is ZIP code 40047 in?

ZIP code 40047 observes the EST timezone.