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ZIP CODE TABULATION AREA

40023

Kentucky · 6,870 residents · 24.3 sq mi
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ZIP 40023 is a ZIP code of 6,870 people in Jefferson County. Households here earn about 107% more than in Jefferson County as a whole. 96% of homes are owner-occupied. The median household earns $144,635, about 76% above the national median. At a median age of 44.6, this is an older place than the country as a whole. 49% of adults hold a bachelor's degree, against 36% nationally. Among the 34 ZIP codes in Jefferson County, 40023 ranks 3rd by median household income.

$144,635
US average: $82,259
$66,318
US average: $44,673
$497,800
US average: $376,019
49.5%
US average: 35.6%
Land area
24.3 sq mi
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)
28
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Housing
3.4
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
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