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ZIP CODE TABULATION AREA

40023

Kentucky · 6,870 residents · 24.275 sq mi
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ZIP 40023 is significantly wealthier than the US average, with a median household income of $144,635. Population has held roughly steady since 2024. 49% of adults hold a bachelor's degree or higher. Median home value is $497,800. With a median age of 44.6, the population is older than the US median of 38.9. Households here earn about 107% more than the Jefferson County median. Among the 34 ZIP codes in Jefferson County, 40023 ranks 3rd by median household income.

$144,635
US average: $82,259
$497,800
US average: $376,019
49.5%
US average: 35.6%
Age, sex & households
Under 18
23.7%
Age 65+
17.7%
53.9%
46.1%
2.76 people
Race & ethnicity · 2024
2024
White, non-Hispanic87.9%(6,036)
Black3.2%(223)
Hispanic / Latino4.5%(311)
Asian2.2%(150)
Other2.2%(150)
Diversity Score28%(1,924)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Jefferson County
Income rank vs other ZIPs
LOWEST3RD OF 34HIGHEST
Adjacent ZIPs
40025$250,001
40041$153,214
40118$59,316
40202$35,584
Frequently asked

How many people live in ZIP code 40023?

ZIP code 40023 has about 6,870 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 40023?

The typical household in ZIP code 40023 earns about $144,635 a year. Half of households make more than that, and half make less.

Is ZIP code 40023 expensive?

In ZIP code 40023, the median home is worth about $497,800, and the typical rent is about $1,181 a month.

How educated are people in ZIP code 40023?

About 49.5% of adults age 25 and over in ZIP code 40023 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 40023?

About 3.0% of people in ZIP code 40023 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024