ZIP Code Tabulation Area · Kentucky

ZIP Code 40203: Louisville, KY

ZIP Code 40203 (Louisville, Jefferson County, Kentucky) has an estimated 17,742 residents in 8,911 households. The median household income is $30,794, the median home value is $197,300 and the median gross rent is $809/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

17,742

Margin of error ±1,593

Median household income

$30,794

Margin of error ±$4,966

Median home value

$197,300

Margin of error ±$23,710

Median gross rent

$809/mo

Margin of error ±$73

Median age

32.8 yrs

Margin of error ±2.2 yrs

Mean travel time to work

19.1 min

Margin of error ±4.4 min

How ZIP 40203 compares with Kentucky and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 4020332.8 yrsKentucky39.1 yrsUnited States38.9 yrs

Median household income

ZIP 40203$30,794Kentucky$63,726United States$80,734

Per capita income

ZIP 40203$23,941Kentucky$35,821United States$44,673

Poverty rate

ZIP 4020343.3%Kentucky16.1%United States12.5%

Unemployment rate

ZIP 4020311.8%Kentucky4.9%United States5.2%

Bachelor's degree or higher

ZIP 4020322.5%Kentucky27.6%United States35.7%

Median home value

ZIP 40203$197,300Kentucky$205,600United States$332,700

Median gross rent

ZIP 40203$809/moKentucky$967/moUnited States$1,413/mo

Owner-occupied homes

ZIP 4020324.9%Kentucky68.3%United States65.2%

Mean travel time to work

ZIP 4020319.1 minKentucky24.0 minUnited States26.4 min

Worked from home

ZIP 4020318.3%Kentucky10.2%United States15.1%

All figures for ZIP 40203

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 40203 — ACS 2020–2024 5-year estimates
MeasureZIP 40203Margin of errorKentuckyUnited States
Total population17,742±1,5934,534,824334,922,499
Median age32.8 yrs±2.2 yrs39.1 yrs38.9 yrs
Households8,911±7161,814,469129,227,496
Median household income$30,794±$4,966$63,726$80,734
Per capita income$23,941±$2,614$35,821$44,673
Poverty rate43.3%±5.5 pts16.1%12.5%
Unemployment rate11.8%±3.6 pts4.9%5.2%
Bachelor's degree or higher22.5%±4.3 pts27.6%35.7%
Median home value$197,300±$23,710$205,600$332,700
Median gross rent$809/mo±$73$967/mo$1,413/mo
Owner-occupied homes24.9%±2.8 pts68.3%65.2%
Mean travel time to work19.1 min±4.4 min24.0 min26.4 min
Worked from home18.3%±6.4 pts10.2%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 40203
GroupZIP 40203KentuckyUnited States
White alone, not Hispanic or Latino39.7%81.5%57.4%
Black or African American alone, not Hispanic or Latino51.4%7.6%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.3%0.1%0.5%
Asian alone, not Hispanic or Latino0.6%1.6%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.1%0.2%
Some other race alone, not Hispanic or Latino0.3%0.3%0.6%
Two or more races, not Hispanic or Latino4.5%3.9%4.3%
Hispanic or Latino (of any race)3.2%5.0%19.3%

Where ZIP 40203 is

State
Kentucky
Main county
Jefferson County
Largest overlapping place
Louisville (100% of the ZIP's land area)
Land area
2.90 sq mi· about 6,118 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Jefferson County

40202 Louisville, KY40204 Louisville, KY40205 Louisville, KY40206 Louisville, KY40207 St. Matthews, KY40208 Louisville, KY40209 Louisville, KY40210 Louisville, KY40211 Louisville, KY40212 Louisville, KY40213 Louisville, KY40214 Louisville/Jefferson County, KY40215 Louisville, KY40216 Louisville/Jefferson County, KY40217 Louisville, KY40218 Louisville/Jefferson County, KY40219 Louisville/Jefferson County, KY40220 Louisville/Jefferson County, KY40222 Louisville/Jefferson County, KY40223 Louisville/Jefferson County, KY40228 Louisville/Jefferson County, KY40229 Louisville/Jefferson County, KY40241 Louisville/Jefferson County, KY40242 Lyndon, KY

See every ZIP code in Kentucky, or compare ZIP 40203 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.