40242 ZIP Code — Louisville, KY

Jefferson County, Kentucky

ZIP code 40242 is located in Louisville, Kentucky, within Jefferson County. It covers approximately 2.86 square miles and serves a population of 11,544 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 502.

About ZIP code 40242

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $277,000. Owner-occupancy sits near the national average at 69%.

Median household income is $78,994. The poverty rate of 7% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.

Educational attainment is high — 46% of residents hold a bachelor's degree or higher, well above the national average of 33%.

11,544
population
2.86
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
40242 ZIP code map
Cities in ZIP code 40242

Below are the cities the US Postal Service accepts for ZIP code 40242. Using any city not on this list may result in mail delivery delays.

City Status
Louisville Acceptable
Louisville Acceptable
Louisville Preferred
Nearby ZIP codes
40241 Louisville (1.7 mi) 40222 Louisville (1.8 mi) 40223 Louisville (2.9 mi) 40207 Louisville (3.8 mi) 40243 Louisville (4.2 mi) 40220 Louisville (4.6 mi) 40056 Pewee Valley (5.9 mi) 40205 Louisville (5.9 mi) 40206 Louisville (6.1 mi) 47130 Jeffersonville (6.7 mi) 40218 Louisville (6.9 mi) 40059 Prospect (6.9 mi)
Demographics updated 05/2026
Population
Total population 11,544
Population density 4,036 / sq mi
State FIPS 21
County FIPS 111
Geography
Land area 2.86 sq mi
Water area 0.01 sq mi
Latitude 38.2782
Longitude -85.5940
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 29.9% 42.4% 47.9%
$50k – $100k 34.4% 31.3% 30.3%
$100k – $200k 29.2% 20.3% 17.6%
Over $200k 6.6% 6.0% 4.2%

Demographics & statistics

11,544
Population
4,036
People per sq mi
35.9
Median age
$78,994
Median household income
$43,497
Per capita income
$277,000
Median home value
$1,212
Median monthly rent
68.9%
Home ownership
7.3%
Poverty rate
4.5%
Unemployment
3,522
Housing units
45.6%
Bachelor's or higher

Age distribution

Male Female
469
Under 5
564
357
5–9
429
305
10–14
367
295
15–19
355
244
20–24
294
887
25–34
1,064
589
35–44
708
534
45–54
641
335
55–59
403
328
60–64
394
598
65–74
717
220
75–84
265
83
85+
99
← Male
Female →

Age summary

GroupCount%
Under 183,00426.0%
18 and over8,54074.0%
65 and over1,98217.2%
Median age35.9 years

Race & ethnicity

White 74.1%
Black or African American 14.5%
Asian 4.6%
Two or more races 3.4%
Hispanic or Latino 2.1%
Other race 1%
Native Hawaiian / Pacific Islander 0.2%
American Indian / Alaska Native 0.1%
GroupCount%
White8,73274.1%
Black or African American1,70714.5%
Asian5454.6%
Two or more races4043.4%
Hispanic or Latino2442.1%
Other race1221%
Native Hawaiian / Pacific Islander280.2%
American Indian / Alaska Native60.1%

Household income

Income range This ZIP County avg State avg
Under $50k 29.9% 42.4% 47.9%
$50k – $100k 34.4% 31.3% 30.3%
$100k – $200k 29.2% 20.3% 17.6%
Over $200k 6.6% 6.0% 4.2%
Under $10k 4.3%
$10k–$15k 1.0%
$15k–$25k 3.2%
$25k–$35k 8.5%
$35k–$50k 7.3%
$50k–$75k 22.4%
$75k–$100k 15.6%
$100k–$150k 18.5%
$150k–$200k 10.2%
$200k+ 9.0%
Range% of households
Under $10k4.3%
$10k–$15k1.0%
$15k–$25k3.2%
$25k–$35k8.5%
$35k–$50k7.3%
$50k–$75k22.4%
$75k–$100k15.6%
$100k–$150k18.5%
$150k–$200k10.2%
$200k+9.0%
Median income$78,994

Housing

Home values

Under $50k 1.0%
$50k–$100k 1.0%
$100k–$150k 5.2%
$150k–$200k 14.9%
$200k–$300k 35.4%
$300k–$500k 40.4%
$500k–$1M 2.1%
$1M+ 0.1%

Housing overview

MetricValue
Median home value$277,000
Median rent / month$1,212
Owner occupied68.9%
Renter occupied31.1%
Vacant3.7%
Single-family detached70.6%
Large apartment buildings2.1%
Mobile homes0.0%
Median rooms6.4
Avg household size (owned)2.39

Year built

Era%
2020 or later0.7%
2010–20190.7%
2000–20095.8%
1990–19999.9%
1980–198922.4%
1970–197923.7%
1960–196922.6%
1950–195911.2%
1940–19490.7%
1939 or earlier2.2%

Bedrooms

Size% of units
No bedroom (studio)0.7%
1 bedroom6.5%
2 bedrooms22.1%
3 bedrooms39.9%
4 bedrooms27.4%
5+ bedrooms3.3%

Vehicles per household

Vehicles% of households
No vehicle5.4%
1 vehicle37.0%
2 vehicles43.2%
3 or more14.4%

Heating fuel

Fuel type%
Utility gas62.7%
Electricity36.3%
Propane / LP gas0.8%
Wood0.2%

Households & families

Household typeCount%
Married-couple family1,98140.9%
Cohabiting couple1994.1%
Male householder, no spouse85717.7%
Female householder, no spouse1,80537.3%
Households with children under 181,36728.2%
Households with seniors (65+)1,43629.7%
Average household size2.38

Marital status

StatusMaleFemale
Never married33.9%31.4%
Married54.0%42.6%
Separated0.4%1.6%
Widowed3.7%7.9%
Divorced8.0%16.6%

Education

Less than 9th grade 2.7%
Some HS, no diploma 3.4%
HS graduate 17.8%
Some college, no degree 21.0%
Associate's degree 9.5%
Bachelor's degree 26.7%
Graduate / professional 18.9%
Metric%
HS diploma or higher93.9%
Bachelor's or higher45.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1917.4%
Kindergarten2559.8%
Elementary school1,07841.5%
High school58122.4%
College / grad school49319.0%

Employment

Industry of employment

Education & healthcare 24.8%
Retail trade 12.3%
Professional & management 9.8%
Manufacturing 9.6%
Finance & real estate 9.6%
Arts, food & hospitality 8.2%
Transportation & utilities 6.6%
Other services 6.5%
Construction 4.9%
Public administration 2.9%
Wholesale trade 2.5%
Information 2.2%

Occupation

Category%
Management, business & arts44.7%
Service12.8%
Sales & office24.4%
Natural resources & construction5.2%
Production & transportation12.9%

Employment type

Type%
Private sector84.1%
Government11.2%
Self-employed4.6%
Unpaid family workers0.0%

Commute

Method%
Drive alone77.1%
Carpool7.7%
Public transit0.3%
Walk1.2%
Work from home13.1%
Other means0.5%
Avg commute (minutes)19.8

Poverty

All people 7.3%
Under 18 years 11.8%
18 and over 5.8%
Married-couple families 0.5%
Female-led households 25.7%

Income support

Source% of households
Social Security29.5%
Retirement income22.6%
Supplemental Security3.1%
Cash public assistance1.6%
Food stamps / SNAP4.6%

Health indicators

Condition%
Obesity31.7%
High blood pressure35.9%
High cholesterol35.0%
Diabetes9.3%
Heart disease6.0%
Stroke2.6%
Asthma10.0%
Arthritis25.9%
Kidney disease2.6%
Pulmonary disease6.8%
Cancer6.8%
Behavior / access%
Smoking14.1%
Binge drinking16.7%
No physical activity21.7%
Less than 7 hrs sleep31.6%
Depression23.7%
Fair or poor health13.0%
Poor mental health15.3%
Poor physical health10.1%
No health insurance7.9%
Visited doctor (checkup)76.2%
Visited dentist69.7%
Cholesterol screening91.7%
Teeth loss9.3%

Veterans & disability

VeteransCount%
Civilian veterans5156.0%
Disability%
Any disability10.2%
Under 183.1%
18–64 years8.0%
65 and over28.0%

Health insurance coverage

Type%
Private insurance71.6%
Public insurance35.6%
No insurance7.6%
Uninsured under 192.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only10,51191.1%
Spanish4184.0%
Other Indo-European670.6%
Asian & Pacific Islander740.7%
Other languages830.8%

Place of birth & citizenship

OriginCount%
Native born (US)10,40590.1%
Born in same state10,20488.4%
Born in different state6,75858.5%
Foreign born2011.7%
Naturalized citizen1,1399.9%
Not a US citizen37132.6%

Ancestry

AncestryCount%
French1,64814.3%
Italian1,54013.3%
Arab9898.6%
English1801.6%
Polish840.7%
AncestryCount%
Irish370.3%
German310.3%
Dutch240.2%
Norwegian80.1%

Technology access

Metric% of households
Computer access41.9%
Internet access96.5%

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

Frequently asked questions about ZIP code 40242

What city is ZIP code 40242 in?

ZIP code 40242 is primarily assigned to Louisville, Kentucky.

What county is ZIP code 40242 in?

ZIP code 40242 falls within Jefferson County, Kentucky.

How educated is the population of ZIP code 40242?

46% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the population of ZIP code 40242?

ZIP code 40242 has an estimated population of 11,544 residents, with a density of 4,036 people per square mile.

What is the typical home value in ZIP code 40242?

The median home value in ZIP code 40242 is $277,000.

What is the median household income in ZIP code 40242?

The median household income in ZIP code 40242 is $78,994, above the national median of ~$75,000.

What timezone is ZIP code 40242 in?

ZIP code 40242 observes the EST timezone.

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