PlainZIP

Louisville, KY · standard

ZIP Code 40203

Jefferson County, Kentucky - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

19,694
2,586/sq mi
$30,794
Median income
$197,300
Median home value
22.5%
Bachelor's or higher

The verdict

Louisville pairs one of the lowest household incomes in the country with below-median home values, in a suburban-density, renter-heavy area.

2th pct
household income, US ZIPs
43th pct
home value, US ZIPs
2,586
people per sq mi
25%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 40203 against every reporting US ZIP.

ZIP code 40203 is a mid-sized community (a standard USPS delivery area) in Louisville, Jefferson County, Kentucky, home to 19,694 residents across 7.6 square miles, a density of 2,586 people per square mile, in the Kentucky/Louisville time zone.

ZIP 40203 sits on the lower end of the income spectrum: median household income is $30,794 (48% below the Kentucky average), while per-capita income is $23,941. The poverty rate stands at 43.3% and the unemployment rate at 11.8%. Median home value sits at $197,300 (24% above the state average), median rent at $809 a month, and owner-occupancy at 24.9%.

Educational attainment sits below the national norm: 22.5% of adults hold a bachelor's degree or higher, the median age is 32.8, and the average commute is 19 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Jefferson County, so you can benchmark 40203 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 40203

Top 5 sectors by establishment count in Louisville, KY

Which industries have the most business establishments in ZIP 40203.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 40203, Louisville, KY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

19,694

Population

7.6

Area (sq mi)

2,586

People / sq mi

Kentucky/Louisville

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 40203?

32.8

Median Age

47.6%

Male

52.4%

Female

2.9%

Foreign-Born

White 40.2%
African American 51.7%
Asian 0.6%
American Indian or Alaska Native 0.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.5%
Hispanic or Latino 3.2%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$30,794

Median Household Income

-48% vs state

$23,941

Per Capita Income

43.3%

Poverty Rate

11.8%

Unemployment Rate

19.1 min

Mean Commute Time

How ZIP 40203 ranks nationally

Louisville, KY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$30,794 2nd percentile higher than 2% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). This entry sits in this band. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 57.1%
Bachelor's Degree or Higher 22.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

10,481

Total Housing Units

8,911

Occupied Units

1,570

Vacant Units

1.86

Avg Household Size

Occupancy Type

Owner 24.9%
Renter 75.1%

$197,300

Median Home Value

+24% vs state

$809

Median Rent

1955

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+1.8%

YoY Change (2024)

296

HPI Index (2000 = 100)

+196%

Total Change Since 2000

Home values in ZIP 40203 have increased 1.8% over the past year (2024). Since 2000, this ZIP has seen +196% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.5% 223
2021 +11.9% 250
2022 +12.5% 281
2023 +3.5% 291
2024 +1.8% 296

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 522 business establishments in ZIP 40203, employing approximately 8,514 people with a combined annual payroll of $431,402,000.

522

Businesses

8,514

Employees

$431.4M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 84 16.1%
Other services (except public administration) 82 15.7%
Retail trade 59 11.3%
Professional, scientific, and technical services 53 10.2%
Construction 36 6.9%
Wholesale trade 35 6.7%
Manufacturing 31 5.9%
Accommodation and food services 29 5.6%
Real estate and rental and leasing 28 5.4%
Administrative and support and waste management and remediation services 25 4.8%
Finance and insurance 19 3.6%
Information 16 3.1%
Transportation and warehousing 8 1.5%
Arts, entertainment, and recreation 7 1.3%
Educational services 5 1.0%
Management of companies and enterprises 3 0.6%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 40203 vs 40202 →

ZIP 40203 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 40203 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 40203 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 40203 ranks #null of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
40202 Louisville, KY 6,772 0.9 mi
40208 Louisville, KY 13,227 2.0 mi
40210 Louisville, KY 14,822 1.6 mi
40204 Louisville, KY 14,236 2.5 mi
40212 Louisville, KY 17,685 2.5 mi
40217 Louisville, KY 12,507 2.6 mi
47129 Clarksville, IN 19,527 4.6 mi
40211 Louisville, KY 22,612 3.3 mi
40206 Louisville, KY 18,865 3.4 mi
40209 Louisville, KY 360 4.1 mi

More ZIP Codes in Jefferson County

40214 standard
Louisville, KY
Pop: 45,291
40216 standard
Louisville, KY
Pop: 40,746
40299 standard
Louisville, KY
Pop: 38,371
40219 standard
Louisville, KY
Pop: 38,032
40272 standard
Louisville, KY
Pop: 37,394
40229 standard
Louisville, KY
Pop: 36,852

Related Areas

Jefferson County Louisville, KY Kentucky

Frequently Asked Questions

What county is ZIP code 40203 in? ▼
ZIP code 40203 (Louisville) is located in Jefferson County, Kentucky. Jefferson County contains multiple ZIP codes, see the full list at /counties/jefferson-ky.
What is the population of ZIP code 40203? ▼
ZIP code 40203 in Louisville, KY has a population of 19,694 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 40203? ▼
The median household income in ZIP 40203 is $30,794, which is 60% below the national average of $76,288.
What is the average home value in ZIP 40203? ▼
The median home value in ZIP 40203 is $197,300, which is 29% below the national average of $278,155.
What is the demographic makeup of ZIP 40203? ▼
The largest racial group in ZIP 40203 is African American at 51.7%. Hispanic or Latino residents make up 3.2% of the population.
How many businesses are in ZIP code 40203? ▼
ZIP code 40203 has 522 business establishments employing approximately 8,514 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 40203? ▼
The top industries by establishment count in ZIP 40203 are: Health care and social assistance (84), Other services (except public administration) (82), Retail trade (59). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 40203? ▼
According to the FHFA House Price Index, home values in ZIP 40203 increased by 1.8% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 196%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 40203? ▼
In ZIP code 40203, 57.1% of residents aged 25+ have a high school diploma or higher, and 22.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 40203? ▼
The mean commute time for workers in ZIP code 40203 is 19.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 40203? ▼
In ZIP code 40203, approximately 24.9% of occupied housing units are owner-occupied and 75.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 40203? ▼
The poverty rate in ZIP code 40203 is 43.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.