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Jefferson County, Kentucky ZIP code demographics

41 ZIP Code Tabulation Areas in Jefferson County, Kentucky. The population-weighted median household income is about $74,433, the median home value about $275,318, and 62.9% of occupied homes are owner-occupied.

41
ZIP codes
813.6K
Population
53
Data points

Jefferson County at a glance

$74,433
Median household income
$275,318
Median home value
38.7
Median age
62.9%
Owner-occupied
371,234
Housing units

Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.

Top 5 Jefferson County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
140025Glenview56592.5%$250,001
240041Louisville56418.2%$153,214
340059Louisville/Jefferson County metro government20,89287.4%$152,727
440023Elk Creek6,87096%$144,635
540245Coldstream39,83577%$122,948
Top 5 Jefferson County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
140214Louisville45,40554.4%$54,931
240216Louisville44,04766.1%$56,441
340299Douglass Hills42,20774.8%$89,440
440229Brooks41,29971.8%$79,936
540291Jeffersontown41,22276.7%$81,267
Top 5 Jefferson County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
140245Coldstream39,83577%$122,948$1.4B
240299Douglass Hills42,20774.8%$89,440$1.1B
340059Louisville/Jefferson County metro government20,89287.4%$152,727$1.1B
440291Jeffersontown41,22276.7%$81,267$1B
540207Beechwood Village28,90369.1%$101,898$968.5M

Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.

Densest: 40203 (Louisville) at 6,128 people/sq mi. Least dense: 40177 (Louisville/Jefferson County metro government) at 98 people/sq mi.

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