40243 ZIP Code — Louisville, KY

Jefferson County, Kentucky

ZIP code 40243 is located in Louisville, Kentucky, within Jefferson County. It covers approximately 4.11 square miles and serves a population of 11,943 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 502.

About ZIP code 40243

The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $288,100. Owner-occupancy sits near the national average at 67%.

Median household income is $85,716. The poverty rate of 6% is below the national average. 39% 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 20 minutes is near the national average.

Educational attainment is high — 52% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 40243 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

11,943

population

4.11

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

40243 ZIP code map

Cities in ZIP code 40243

Below are the cities the US Postal Service accepts for ZIP code 40243. Using any city not on this list may result in mail delivery delays.

City	Status
Louisville	Acceptable
Louisville	Acceptable
Louisville	Preferred

Nearby ZIP codes

40223 Louisville (1.5 mi) 40245 Louisville (4.1 mi) 40242 Louisville (4.2 mi) 40056 Pewee Valley (5 mi) 40220 Louisville (5.1 mi) 40241 Louisville (5.1 mi) 40299 Louisville (5.6 mi) 40222 Louisville (5.7 mi) 40207 Louisville (7.2 mi) 40218 Louisville (7.5 mi) 40205 Louisville (7.8 mi) 40291 Louisville (7.9 mi)

Demographics updated 05/2026

Population
Total population	11,943
Population density	2,906 / sq mi
State FIPS	21
County FIPS	111

Geography
Land area	4.11 sq mi
Water area	0.01 sq mi
Latitude	38.2407
Longitude	-85.5333
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	32.6%	42.4%	47.9%
$50k – $100k	33.9%	31.3%	30.3%
$100k – $200k	27.1%	20.3%	17.6%
Over $200k	6.5%	6.0%	4.2%

Demographics & statistics

11,943

Population

2,906

People per sq mi

48.1

Median age

$85,716

Median household income

$48,637

Per capita income

$288,100

Median home value

$1,317

Median monthly rent

67.2%

Home ownership

5.9%

Poverty rate

6.2%

Unemployment

4,039

Housing units

52.4%

Bachelor's or higher

Age distribution

Male Female

258

Under 5

285

276

5–9

305

422

10–14

466

179

15–19

198

238

20–24

263

729

25–34

804

546

35–44

601

712

45–54

786

472

55–59

520

369

60–64

407

613

65–74

676

405

75–84

446

460

85+

507

← Male

Female →

Age summary

Group	Count	%
Under 18	2,244	18.8%
18 and over	9,699	81.2%
65 and over	3,107	26.0%
Median age	48.1 years

Race & ethnicity

White 83.9%

Black or African American 6.3%

Asian 4.1%

Two or more races 3.5%

Hispanic or Latino 1.8%

Other race 0.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	10,210	83.9%
Black or African American	768	6.3%
Asian	494	4.1%
Two or more races	423	3.5%
Hispanic or Latino	222	1.8%
Other race	31	0.3%
American Indian / Alaska Native	17	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.6%	42.4%	47.9%
$50k – $100k	33.9%	31.3%	30.3%
$100k – $200k	27.1%	20.3%	17.6%
Over $200k	6.5%	6.0%	4.2%

Under $10k 2.6%

$10k–$15k 1.7%

$15k–$25k 5.3%

$25k–$35k 10.8%

$35k–$50k 11.9%

$50k–$75k 14.6%

$75k–$100k 10.2%

$100k–$150k 23.4%

$150k–$200k 7.7%

$200k+ 11.7%

Range	% of households
Under $10k	2.6%
$10k–$15k	1.7%
$15k–$25k	5.3%
$25k–$35k	10.8%
$35k–$50k	11.9%
$50k–$75k	14.6%
$75k–$100k	10.2%
$100k–$150k	23.4%
$150k–$200k	7.7%
$200k+	11.7%
Median income	$85,716

Housing

Home values

Under $50k 3.6%

$50k–$100k 0.4%

$100k–$150k 3.6%

$150k–$200k 11.8%

$200k–$300k 35.6%

$300k–$500k 43.1%

$500k–$1M 1.4%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$288,100
Median rent / month	$1,317
Owner occupied	67.2%
Renter occupied	32.8%
Vacant	6.6%
Single-family detached	62.5%
Large apartment buildings	12.4%
Mobile homes	0.0%
Median rooms	6.0
Avg household size (owned)	2.42

Year built

Era	%
2020 or later	1.1%
2010–2019	13.8%
2000–2009	12.6%
1990–1999	6.8%
1980–1989	11.9%
1970–1979	30.5%
1960–1969	12.7%
1950–1959	7.0%
1940–1949	1.6%
1939 or earlier	2.1%

Bedrooms

Size	% of units
No bedroom (studio)	4.6%
1 bedroom	11.9%
2 bedrooms	28.0%
3 bedrooms	33.3%
4 bedrooms	18.5%
5+ bedrooms	3.7%

Vehicles per household

Vehicles	% of households
No vehicle	13.6%
1 vehicle	26.5%
2 vehicles	41.6%
3 or more	18.3%

Heating fuel

Fuel type	%
Utility gas	58.8%
Electricity	40.8%
Propane / LP gas	0.3%
Wood	0.1%

Households & families

Household type	Count	%
Married-couple family	2,615	48.0%
Cohabiting couple	196	3.6%
Male householder, no spouse	1,015	18.6%
Female householder, no spouse	1,619	29.7%
Households with children under 18	1,292	23.7%
Households with seniors (65+)	2,112	38.8%
Average household size	2.18

Marital status

Status	Male	Female
Never married	23.2%	20.4%
Married	61.6%	49.7%
Separated	1.4%	1.4%
Widowed	6.7%	13.4%
Divorced	7.2%	15.2%

Education

Less than 9th grade 0.7%

Some HS, no diploma 3.2%

HS graduate 16.8%

Some college, no degree 18.6%

Associate's degree 8.3%

Bachelor's degree 33.2%

Graduate / professional 19.3%

Metric	%
HS diploma or higher	96.1%
Bachelor's or higher	52.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	203	8.4%
Kindergarten	92	3.8%
Elementary school	1,142	47.1%
High school	431	17.8%
College / grad school	556	22.9%

Employment

Industry of employment

Education & healthcare 25.1%

Retail trade 13.6%

Professional & management 13.2%

Finance & real estate 10.9%

Arts, food & hospitality 9.9%

Manufacturing 6.7%

Transportation & utilities 5.6%

Other services 4.7%

Construction 4.5%

Public administration 3.3%

Wholesale trade 1.7%

Information 0.8%

Occupation

Category	%
Management, business & arts	56.3%
Service	8.6%
Sales & office	20.3%
Natural resources & construction	3.0%
Production & transportation	11.8%

Employment type

Type	%
Private sector	86.2%
Government	10.5%
Self-employed	3.0%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	78.0%
Carpool	5.1%
Public transit	0.0%
Walk	5.0%
Work from home	10.1%
Other means	1.8%
Avg commute (minutes)	20.4

Poverty

All people 5.9%

Under 18 years 11.5%

18 and over 4.6%

Married-couple families 0.8%

Female-led households 27.0%

Income support

Source	% of households
Social Security	38.6%
Retirement income	30.1%
Supplemental Security	3.4%
Cash public assistance	3.3%
Food stamps / SNAP	6.2%

Health indicators

Condition	%
Obesity	29.7%
High blood pressure	38.3%
High cholesterol	37.8%
Diabetes	9.5%
Heart disease	6.9%
Stroke	2.8%
Asthma	9.4%
Arthritis	28.8%
Kidney disease	2.8%
Pulmonary disease	6.6%
Cancer	8.6%

Behavior / access	%
Smoking	11.5%
Binge drinking	15.3%
No physical activity	20.6%
Less than 7 hrs sleep	29.7%
Depression	22.0%
Fair or poor health	12.0%
Poor mental health	13.5%
Poor physical health	9.8%
No health insurance	6.5%
Visited doctor (checkup)	78.3%
Visited dentist	74.0%
Cholesterol screening	93.8%
Teeth loss	7.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	755	7.8%

Disability	%
Any disability	15.0%
Under 18	2.0%
18–64 years	7.4%
65 and over	41.0%

Health insurance coverage

Type	%
Private insurance	83.1%
Public insurance	35.0%
No insurance	2.8%
Uninsured under 19	4.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	11,400	95.5%
Spanish	117	1.0%
Other Indo-European	50	0.4%
Asian & Pacific Islander	42	0.4%
Other languages	25	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	11,275	94.4%
Born in same state	11,124	93.1%
Born in different state	7,130	59.7%
Foreign born	151	1.3%
Naturalized citizen	668	5.6%
Not a US citizen	507	75.9%

Ancestry

Ancestry	Count	%
French	2,117	17.7%
Italian	1,762	14.8%
Arab	1,223	10.2%
Irish	263	2.2%

Ancestry	Count	%
Polish	222	1.9%
English	167	1.4%
German	18	0.2%
Norwegian	14	0.1%

Technology access

Metric	% of households
Computer access	45.6%
Internet access	92.0%

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

Frequently asked questions about ZIP code 40243

What city is ZIP code 40243 in?

ZIP code 40243 is primarily assigned to Louisville, Kentucky.

What county is ZIP code 40243 in?

ZIP code 40243 falls within Jefferson County, Kentucky.

Does ZIP code 40243 have an older population?

26% of residents in ZIP code 40243 are 65 or older, above the national average of ~17%.

How educated is the population of ZIP code 40243?

52% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 40243 have a large retiree population?

39% of households in ZIP code 40243 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 40243?

ZIP code 40243 has an estimated population of 11,943 residents, with a density of 2,907 people per square mile.

What timezone is ZIP code 40243 in?

ZIP code 40243 observes the EST timezone.