Mount Washington ZIP Codes — Bullitt County, KY

There is one unique ZIP code in Mount Washington, Kentucky and it is 40047. Area code: 502.

ZIP codes

29.89

sq mi land

0.32

sq mi water

502

area code

Mount Washington, KY ZIP code map

About Mount Washington, KY

Mount Washington, Kentucky, is a charming city located in Bullitt County. Known for its rich history and community spirit, it serves as a suburban haven just outside of Louisville. With a population that enjoys a quiet lifestyle, Mount Washington provides a perfect blend of small-town charm and proximity to urban amenities.

Location & geography

Situated in the heart of Bullitt County, Mount Washington covers an area of 29.89 square miles of land and includes a small water area of 0.32 square miles. It is conveniently located near several neighboring cities, including Shepherdsville just 6 miles to the southwest, and Bardstown, approximately 12 miles to the east. The landscape is characterized by rolling hills and lush greenery, typical of the scenic terrain of Kentucky.

Community & economy

Mount Washington boasts a tight-knit community where residents often engage in local events and activities. The economy is supported by a mix of retail, service industries, and healthcare, contributing to a stable daily life for its citizens. Families appreciate the strong sense of community and the variety of amenities available, making it an attractive place to call home.

Transportation

The city is easily accessible via major highways, including Interstate 65, which connects Mount Washington to Louisville and other areas of Kentucky. The nearest airport for commercial flights is Louisville International Airport, located approximately 20 miles away, offering residents viable options for travel. Public transportation options may be limited, but the city’s layout encourages easy navigation by car.

History

Mount Washington was officially established in the mid-19th century, developing as a small agricultural and trade hub. Key industries in the early days included farming and local commerce, and notable events have shaped its growth, including periodic expansions due to nearby Louisville’s urban development. The city's history is reflected in its historic sites and community pride.

Did you know?

One surprising fact about Mount Washington is that it has retained much of its rural charm while being close to a major city. Additionally, the city hosts a variety of local festivals that celebrate its heritage and community spirit.

ZIP codes for Mount Washington, KY (1)

ZIP code	City	County	Map
40047	Mount Washington	Bullitt	View map

Demographics & statistics

22,752

Population

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

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%
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	%
High blood pressure	35.8%
High cholesterol	33.6%
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	%
Binge drinking	17.3%
No physical activity	27.5%
Less than 7 hrs sleep	37.4%
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%
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

What ZIP codes does Mount Washington, KY have?

Mount Washington, KY has one ZIP code: 40047. Each ZIP code serves a distinct delivery area within the city and surrounding region.