Zip code 40203: Louisville, Kentucky

Q: What city is zip code 40203?

40203 is assigned to Louisville, Kentucky. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 40203 in?

40203 is in Jefferson County, Kentucky.

Q: What is the population of 40203?

About 17,742 people live in 40203, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 40203?

The median household income in 40203 is $30,794.

Q: What zip codes are near 40203?

The closest zip codes to 40203 are 40259, 40270, 40289, 40293, 40294.

Residential delivery areaJefferson CountyEastern Time

Population

17,742

Median household income

$31K

U.S. $81K

Median home value

$197K

U.S. $333K

Median rent

$809/mo

U.S. $1,413

Median age

32.8

U.S. 38.9

Land area

2.9 sq mi

6,129 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 40203

40203 is an urban zip code in Louisville, Kentucky (Jefferson County), covering 2.9 sq mi of land. About 17,742 people live here, or 6,129 per square mile. The median resident is 32.8 years old, compared with 38.9 nationally.

The median household earns $30,794 a year, about 38% of the national median of $80,734. 43.3% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $197,300, or 6.4 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 25% of occupied homes are lived in by their owners, and renters pay a median of $809 a month.

23% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 19.1 minutes each way, and 18% of workers work from home. The most common jobs among working residents are in office and administrative support; sales; and cleaning and personal care.

How 40203 compares

Sorted from highest to lowest national percentile

Poverty rate43.3%
99th
WeaknessU.S. 12.5% · KY 16.1%57th of 722 in KY
Unemployment rate11.8%
97th
WeaknessU.S. 5.2% · KY 4.9%67th of 719 in KY
Income inequality (Gini)0.550
97th
WeaknessU.S. 0.483 · KY 0.47737th of 715 in KY
Population density6,129/sq mi
86th
U.S. 95/sq mi · KY 115/sq mi4th of 724 in KY
Housing vacancy15%
86th
U.S. 10.1% · KY 10.3%285th of 719 in KY
Rent-burdened renters57.9%
77th
U.S. 51.1% · KY 45.4%153rd of 634 in KY
Work from home18.3%
73rd
U.S. 15.1% · KY 10.2%52nd of 719 in KY
Diversity index57.5
66th
U.S. 61.4 · KY 32.516th of 724 in KY
Veterans6.3%
57th
U.S. 6.2% · KY 6.5%326th of 724 in KY
Residents under 1822.3%
52nd
U.S. 22% · KY 22.6%351st of 724 in KY
Uninsured rate6.7%
49th
U.S. 8.4% · KY 6%223rd of 723 in KY
Healthcare workers9.3%
47th
U.S. 9.7% · KY 10.5%393rd of 719 in KY
Tech workers2%
33rd
U.S. 3.8% · KY 2.2%165th of 719 in KY
Self-employed workers7.8%
29th
U.S. 10% · KY 8.6%366th of 719 in KY
Population17,742
27th
U.S. 334,922,499 · KY 4,534,82489th of 724 in KY
Bachelor's degree or higher22.5%
27th
U.S. 35.7% · KY 27.6%190th of 723 in KY
Residents 65 and older13.3%
25th
U.S. 17.2% · KY 17.3%588th of 724 in KY
Median home value$197,300
20th
U.S. $332,700 · KY $205,600153rd of 642 in KY
Government workers10.1%
19th
U.S. 14.5% · KY 14.6%531st of 719 in KY
Foreign-born residents2.9%
18th
U.S. 14.1% · KY 4.7%145th of 724 in KY
Median age32.8
10th
U.S. 38.9 · KY 39.1644th of 724 in KY
Median earnings per worker$35,791
10th
WeaknessU.S. $49,666 · KY $43,552505th of 700 in KY
Average commute19.1 min
9th
StrengthU.S. 26.4 min · KY 24 min561st of 624 in KY
Per capita income$23,941
7th
WeaknessU.S. $44,673 · KY $35,821511th of 722 in KY
Median gross rent$809
7th
U.S. $1,413 · KY $967239th of 467 in KY
Broadband access80.5%
5th
WeaknessU.S. 91% · KY 88.6%536th of 719 in KY
Homeownership rate24.9%
3rd
WeaknessU.S. 65.2% · KY 68.3%710th of 719 in KY
Median household income$30,794
1st
WeaknessU.S. $80,734 · KY $63,726595th of 641 in KY

Measure	40203	Jefferson	KY	U.S.	National percentile	Rank in KY
Poverty rateWeakness	43.3%	14.3%	16.1%	12.5%	99th	57th of 722
Unemployment rateWeakness	11.8%	5.2%	4.9%	5.2%	97th	67th of 719
Income inequality (Gini)Weakness	0.550	0.481	0.477	0.483	97th	37th of 715
Population density	6,129/sq mi	2,056/sq mi	115/sq mi	95/sq mi	86th	4th of 724
Housing vacancy	15%	7.8%	10.3%	10.1%	86th	285th of 719
Rent-burdened renters	57.9%	47.2%	45.4%	51.1%	77th	153rd of 634
Work from home	18.3%	14.2%	10.2%	15.1%	73rd	52nd of 719
Diversity index	57.5	56.3	32.5	61.4	66th	16th of 724
Veterans	6.3%	6.2%	6.5%	6.2%	57th	326th of 724
Residents under 18	22.3%	22.3%	22.6%	22%	52nd	351st of 724
Uninsured rate	6.7%	5.7%	6%	8.4%	49th	223rd of 723
Healthcare workers	9.3%	10.4%	10.5%	9.7%	47th	393rd of 719
Tech workers	2%	3.2%	2.2%	3.8%	33rd	165th of 719
Self-employed workers	7.8%	8.1%	8.6%	10%	29th	366th of 719
Population	17,742	783,022	4,534,824	334,922,499	27th	89th of 724
Bachelor's degree or higher	22.5%	37%	27.6%	35.7%	27th	190th of 723
Residents 65 and older	13.3%	17.2%	17.3%	17.2%	25th	588th of 724
Median home value	$197,300	$248,400	$205,600	$332,700	20th	153rd of 642
Government workers	10.1%	11.2%	14.6%	14.5%	19th	531st of 719
Foreign-born residents	2.9%	10%	4.7%	14.1%	18th	145th of 724
Median age	32.8	38.4	39.1	38.9	10th	644th of 724
Median earnings per workerWeakness	$35,791	$46,396	$43,552	$49,666	10th	505th of 700
Average commuteStrength	19.1 min	22.2 min	24 min	26.4 min	9th	561st of 624
Per capita incomeWeakness	$23,941	$42,087	$35,821	$44,673	7th	511th of 722
Median gross rent	$809	$1,149	$967	$1,413	7th	239th of 467
Broadband accessWeakness	80.5%	90.9%	88.6%	91%	5th	536th of 719
Homeownership rateWeakness	24.9%	62.1%	68.3%	65.2%	3rd	710th of 719
Median household incomeWeakness	$30,794	$69,866	$63,726	$80,734	1st	595th of 641

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

14%

5–17

13%

18–24

18%

25–34

11%

35–44

11%

45–54

12%

55–64

65–74

75+

Median age

32.8

Under 18

22.3%

65 and over

13.3%

Race and ethnicity

White40%
Black51%
Hispanic3%
Asian0.6%
Native American0.3%
Pacific Islander0%
Other0.3%
Multiracial5%

Diversity index

57.5

U.S. 61.4

Foreign-born

2.9%

U.S. 14.1%

Born in state

71%

Language spoken at home (households)

English only

94%

Spanish

Other Indo-European

Asian / Pacific

0.1%

Other

0.8%

Households

Households: 8,911
Average household size: 1.9
Family households: 35.4%
Married couples: 7.7%
Living alone: 56.4%
Veterans (of adults): 6.3%
Male / female: 48% / 52%

Income and poverty

Household income distribution

<$25k

46%

$25–50k

27%

$50–75k

11%

$75–100k

$100–150k

$150–200k

$200k+

Median household income

40203

$30,794

Jefferson Co.

$69,866

Kentucky

$63,726

United States

$80,734

Per capita income

$23,941

U.S. $44,673

Poverty rate

43.3%

U.S. 12.5%

Households earning $150K+

U.S. 23%

Income inequality (Gini)

0.550

U.S. 0.483

Housing

Median home value

40203

$197,300

Jefferson Co.

$248,400

Kentucky

$205,600

United States

$332,700

Median gross rent

40203

$809

Jefferson Co.

$1,149

Kentucky

$967

United States

$1,413

Types of housing

Single-family

33%

2–4 units

18%

5–19 units

17%

20+ units

32%

Mobile home

0.4%

Boat, RV, van

Housing units: 10,481
Owner-occupied: 24.9%
Vacant: 15%
Median year built: 1955
Median rooms: 4.1
Renters paying 30%+ of income: 57.9%
Renters paying 50%+ of income: 27.1%
Home value to income: 6.4× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

51%

Carpooled

10%

Transit

10%

Walked

Bicycle

Worked from home

18%

Other

Commute time (one way)

<10 min

16%

10–19

43%

20–29

18%

30–44

19%

45–59

60+

Average commute

19.1 min

U.S. 26.4 min

Unemployment

11.8%

U.S. 5.2%

In labor force

57.5%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

13%

Sales

10%

Cleaning and personal care

Healthcare

Construction and repair

Food service

Management

Transportation and moving

Legal and social services

Production

Business and finance

Arts, media and sports

Education

Engineering and science

Computer and math

Police and fire

Farming, fishing and forestry

Industries

Health care and social assistance

19%

Retail

11%

Finance, insurance and real estate

10%

Manufacturing

Restaurants and hotels

Construction

Admin, support and management

Education

Professional and technical services

Transportation, warehousing and utilities

Other services

Wholesale

Public administration

Arts and recreation

Information

0.7%

Agriculture and mining

0.3%

Median earnings per worker

$35,791

U.S. $49,666

Self-employed

7.8%

U.S. 10%

Government workers

10.1%

U.S. 14.5%

Nonprofit workers

14%

U.S. 8.8%

Median earnings by type of work

Type of work	40203	U.S.
Management, business, science and arts	$56,373	$74,888
Service	$22,402	$26,804
Sales and office	$23,480	$40,476
Construction and maintenance	$46,490	$49,199
Production and transportation	$37,757	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

13%

High school

35%

Some college

21%

Associate's

Bachelor's

15%

Graduate

High school graduate or higher: 87.2%
Bachelor's degree or higher: 22.5%
Graduate or professional degree: 7.7%
Households with broadband: 80.5%
Cable, fiber or DSL: 54.9%
No internet access: 12.4%
Without health insurance: 6.7%
Limited-English households: 1.9%

Geography

City (USPS): Louisville
State: Kentucky
County: Jefferson County
Center point: 38.2522° N, 85.7652° W
Land area: 2.9 sq mi
Water area: under 0.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Louisville100% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 40203

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
40259	Louisville, KY · PO box	0.3 mi	—	—	—
40270	Louisville, KY · PO box	0.3 mi	—	—	—
40289	Louisville, KY · PO box	0.3 mi	—	—	—
40293	Louisville, KY · PO box	0.3 mi	—	—	—
40294	Louisville, KY · PO box	0.3 mi	—	—	—
40295	Louisville, KY · PO box	0.3 mi	—	—	—
40296	Louisville, KY · PO box	0.3 mi	—	—	—
40297	Louisville, KY · PO box	0.3 mi	—	—	—
40298	Louisville, KY · PO box	0.3 mi	—	—	—
40202	Louisville, KY	0.7 mi	7,261	$35,584	$257,300
40210	Louisville, KY	1.8 mi	13,518	$35,347	$98,700
40212	Louisville, KY	2.3 mi	14,661	$35,753	$87,600

Zip codes like 40203 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 40203

What city is zip code 40203?

40203 is assigned to Louisville, Kentucky. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 40203 in?

40203 is in Jefferson County, Kentucky.

What is the population of 40203?

About 17,742 people live in 40203, according to the Census Bureau's American Community Survey.

What time zone is 40203 in?

40203 is in Eastern Time.

What is the median household income in 40203?

The median household income in 40203 is $30,794.

What zip codes are near 40203?

The closest zip codes to 40203 are 40259, 40270, 40289, 40293, 40294.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 40203, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.