40223 ZIP Code — Louisville, KY

Jefferson County, Kentucky

ZIP code 40223 is located in Louisville, Kentucky, within Jefferson County. It covers approximately 12.06 square miles and serves a population of 23,477 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 502.

About ZIP code 40223

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 $327,100. Owner-occupancy sits near the national average at 73%.

The gap between median ($93,498) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 34% 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 21 minutes is near the national average.

Educational attainment is high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 40223 reflects a community defined by a highly educated population and a significant Social Security-dependent population.

23,477

population

12.06

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

40223 ZIP code map

Cities in ZIP code 40223

Below are the cities the US Postal Service accepts for ZIP code 40223. Using any city not on this list may result in mail delivery delays.

City	Status
Louisville	Acceptable
Louisville	Acceptable
Louisville	Preferred

Nearby ZIP codes

40243 Louisville (1.5 mi) 40242 Louisville (2.9 mi) 40241 Louisville (3.6 mi) 40056 Pewee Valley (4.3 mi) 40245 Louisville (4.6 mi) 40222 Louisville (4.6 mi) 40220 Louisville (5.1 mi) 40207 Louisville (6.3 mi) 40299 Louisville (7 mi) 40205 Louisville (7.6 mi) 40218 Louisville (7.7 mi) 40059 Prospect (8.4 mi)

Demographics updated 05/2026

Population
Total population	23,477
Population density	1,947 / sq mi
State FIPS	21
County FIPS	111

Geography
Land area	12.06 sq mi
Water area	0.17 sq mi
Latitude	38.2601
Longitude	-85.5452
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	24.9%	42.4%	47.9%
$50k – $100k	34.5%	31.3%	30.3%
$100k – $200k	30.1%	20.3%	17.6%
Over $200k	10.5%	6.0%	4.2%

Demographics & statistics

23,477

Population

1,947

People per sq mi

43.9

Median age

$93,498

Median household income

$57,531

Per capita income

$327,100

Median home value

$1,369

Median monthly rent

72.9%

Home ownership

5.0%

Poverty rate

3.9%

Unemployment

7,909

Housing units

57.5%

Bachelor's or higher

Age distribution

Male Female

546

Under 5

556

742

5–9

754

849

10–14

863

575

15–19

585

427

20–24

434

1,264

25–34

1,285

1,580

35–44

1,607

1,441

45–54

1,465

777

55–59

791

871

60–64

887

1,675

65–74

1,703

696

75–84

708

196

85+

200

← Male

Female →

Age summary

Group	Count	%
Under 18	5,090	21.7%
18 and over	18,387	78.3%
65 and over	5,178	22.1%
Median age	43.9 years

Race & ethnicity

White 84.9%

Black or African American 7.2%

Two or more races 3.4%

Asian 3.2%

Hispanic or Latino 1%

American Indian / Alaska Native 0.2%

Other race 0.1%

Group	Count	%
White	20,125	84.9%
Black or African American	1,702	7.2%
Two or more races	813	3.4%
Asian	756	3.2%
Hispanic or Latino	229	1%
American Indian / Alaska Native	46	0.2%
Other race	35	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	24.9%	42.4%	47.9%
$50k – $100k	34.5%	31.3%	30.3%
$100k – $200k	30.1%	20.3%	17.6%
Over $200k	10.5%	6.0%	4.2%

Under $10k 3.3%

$10k–$15k 1.2%

$15k–$25k 4.2%

$25k–$35k 6.3%

$35k–$50k 8.8%

$50k–$75k 14.0%

$75k–$100k 16.1%

$100k–$150k 18.3%

$150k–$200k 12.9%

$200k+ 15.0%

Range	% of households
Under $10k	3.3%
$10k–$15k	1.2%
$15k–$25k	4.2%
$25k–$35k	6.3%
$35k–$50k	8.8%
$50k–$75k	14.0%
$75k–$100k	16.1%
$100k–$150k	18.3%
$150k–$200k	12.9%
$200k+	15.0%
Median income	$93,498

Housing

Home values

Under $50k 0.6%

$50k–$100k 0.3%

$100k–$150k 4.8%

$150k–$200k 13.5%

$200k–$300k 23.5%

$300k–$500k 44.8%

$500k–$1M 9.8%

$1M+ 2.8%

Housing overview

Metric	Value
Median home value	$327,100
Median rent / month	$1,369
Owner occupied	72.9%
Renter occupied	27.1%
Vacant	4.4%
Single-family detached	62.9%
Large apartment buildings	3.3%
Mobile homes	0.1%
Median rooms	6.7
Avg household size (owned)	2.38

Year built

Era	%
2020 or later	1.3%
2010–2019	7.9%
2000–2009	6.3%
1990–1999	16.3%
1980–1989	21.7%
1970–1979	26.4%
1960–1969	8.2%
1950–1959	9.3%
1940–1949	1.1%
1939 or earlier	1.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.5%
1 bedroom	10.3%
2 bedrooms	21.5%
3 bedrooms	34.0%
4 bedrooms	26.8%
5+ bedrooms	6.0%

Vehicles per household

Vehicles	% of households
No vehicle	3.1%
1 vehicle	33.2%
2 vehicles	46.8%
3 or more	16.9%

Heating fuel

Fuel type	%
Utility gas	58.4%
Electricity	39.8%
Propane / LP gas	1.0%
Fuel oil	0.1%
Wood	0.2%

Households & families

Household type	Count	%
Married-couple family	5,509	54.0%
Cohabiting couple	381	3.7%
Male householder, no spouse	1,587	15.6%
Female householder, no spouse	2,718	26.7%
Households with children under 18	2,534	24.9%
Households with seniors (65+)	3,710	36.4%
Average household size	2.29

Marital status

Status	Male	Female
Never married	26.1%	18.3%
Married	62.4%	56.2%
Separated	1.1%	0.4%
Widowed	1.6%	8.3%
Divorced	8.8%	16.8%

Education

Less than 9th grade 0.8%

Some HS, no diploma 1.8%

HS graduate 14.5%

Some college, no degree 18.4%

Associate's degree 7.0%

Bachelor's degree 28.6%

Graduate / professional 28.9%

Metric	%
HS diploma or higher	97.4%
Bachelor's or higher	57.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	456	8.6%
Kindergarten	156	2.9%
Elementary school	2,623	49.6%
High school	1,090	20.6%
College / grad school	967	18.3%

Employment

Industry of employment

Education & healthcare 27.2%

Professional & management 13.7%

Finance & real estate 10.5%

Manufacturing 9.9%

Arts, food & hospitality 8.7%

Retail trade 7.1%

Construction 5.0%

Transportation & utilities 4.7%

Other services 4.4%

Information 3.3%

Wholesale trade 2.7%

Public administration 2.7%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	58.2%
Service	11.1%
Sales & office	20.3%
Natural resources & construction	3.6%
Production & transportation	6.8%

Employment type

Type	%
Private sector	83.2%
Government	10.7%
Self-employed	5.7%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	73.7%
Carpool	7.6%
Public transit	0.1%
Walk	1.3%
Work from home	16.8%
Other means	0.5%
Avg commute (minutes)	21.2

Poverty

All people 5.0%

Under 18 years 3.6%

18 and over 5.4%

Married-couple families 2.5%

Female-led households 5.9%

Income support

Source	% of households
Social Security	34.2%
Retirement income	30.3%
Supplemental Security	3.3%
Cash public assistance	0.8%
Food stamps / SNAP	3.3%

Health indicators

Condition	%
Obesity	30.9%
High blood pressure	36.1%
High cholesterol	36.5%
Diabetes	9.1%
Heart disease	5.8%
Stroke	2.5%
Asthma	9.7%
Arthritis	26.0%
Kidney disease	2.5%
Pulmonary disease	6.2%
Cancer	7.1%

Behavior / access	%
Smoking	12.5%
Binge drinking	16.2%
No physical activity	20.1%
Less than 7 hrs sleep	30.8%
Depression	22.6%
Fair or poor health	11.8%
Poor mental health	14.2%
Poor physical health	9.5%
No health insurance	7.0%
Visited doctor (checkup)	77.0%
Visited dentist	72.8%
Cholesterol screening	93.1%
Teeth loss	7.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,416	7.7%

Disability	%
Any disability	11.0%
Under 18	3.6%
18–64 years	5.4%
65 and over	32.8%

Health insurance coverage

Type	%
Private insurance	84.5%
Public insurance	30.7%
No insurance	2.8%
Uninsured under 19	1.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	22,375	95.3%
Spanish	281	1.3%
Other Indo-European	98	0.4%
Asian & Pacific Islander	96	0.4%
Other languages	81	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	22,065	94.0%
Born in same state	21,884	93.2%
Born in different state	14,690	62.6%
Foreign born	181	0.8%
Naturalized citizen	1,412	6.0%
Not a US citizen	435	30.8%

Ancestry

Ancestry	Count	%
French	4,584	19.5%
Italian	3,769	16.1%
Arab	1,871	8%
English	170	0.7%
Polish	58	0.2%

Ancestry	Count	%
Dutch	35	0.1%
German	11	0%
Irish	9	0%
Norwegian	1	0%

Technology access

Metric	% of households
Computer access	43.4%
Internet access	97.3%

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

Frequently asked questions about ZIP code 40223

What city is ZIP code 40223 in?

ZIP code 40223 is primarily assigned to Louisville, Kentucky.

What county is ZIP code 40223 in?

ZIP code 40223 falls within Jefferson County, Kentucky.

How educated is the population of ZIP code 40223?

58% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 40223?

The median home value in ZIP code 40223 is $327,100.

What is the population of ZIP code 40223?

ZIP code 40223 has an estimated population of 23,477 residents, with a density of 1,947 people per square mile.

What is the median household income in ZIP code 40223?

The median household income in ZIP code 40223 is $93,498, above the national median of ~$75,000.

What timezone is ZIP code 40223 in?

ZIP code 40223 observes the EST timezone.