HousingHandbookReference data

U.S. ZIP Code · KY40023

Jefferson County · Louisville/Jefferson County, KY-IN

Typical home value

$539,958[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
+1.6%
5-year / yr
+4.7%
10-year / yr
+5.0%

Relative price

vs U.S.
+90.1%
vs metro
+100.5%
vs state
+225.0%
ZIP 40023 location in KY
Location of ZIP 40023 in KY

Price history

Zillow Home Value Index — monthly, smoothed and seasonally adjusted.

The typical home in 40023 is worth $539,958 — 100.5% above the Louisville/Jefferson County, KY-IN median. Over the past year, values have risen 1.6%. The effective property tax rate is 0.7%.

#Rent & investment

Typical asking rent, and the returns it implies at the current home value.

Monthly rent
[2]
Gross yield
[2]
Cap rate
[2]

#Property tax

Effective rate — total real estate taxes paid relative to total home value.

Effective tax rate
0.7%[3]
Typical annual tax
$3,834[3]

#Climate risk

FEMA National Risk Index ratings for Jefferson County. "Not Applicable" means the hazard does not threaten the county.

Overall risk
Relatively High[4]
Riverine flood
Relatively High
Coastal flood
Not Applicable
Wildfire
Very Low
Drought
Very Low
Heat wave
Relatively High
Hurricane
Very Low
Tornado
Very High
Earthquake
Relatively Moderate
Winter weather
Relatively High

#Who lives here

Population
6,870[3]
Median household income
$144,635[3]

#Migration

Household moves in and out of Jefferson County over a year, from IRS tax-return data.

Net migration
-1,585[5]
Moved in
15,433
Moved out
17,018

Run the numbers

Interactive calculators pre-filled with this ZIP's typical home value, rent, and property-tax rate. Edit any field to recompute.

Gross yield
Net yield (after ~40% expenses)
Annual rent

Gross and net yield are estimates based on the inputs and the selected expense ratio. Actual income and expenses will vary by property and market. Not investment advice.

Monthly payment$2,730
Loan principal$431,967
Down payment$107,992
Total interest paid$550,950

Estimated monthly payments include principal and interest only. Actual costs will include property tax, insurance, possibly PMI, and HOA fees not modeled here. Loan terms shown are estimates; consult a licensed lender for current rates and qualification.

Own : rent ratio
Monthly cost to own$3,500
Monthly rent

This calculator projects multi-year scenarios based on assumptions about appreciation, rent growth, and investment returns — none of which are guaranteed. Actual outcomes depend on variables this tool cannot know. Not financial or real estate advice.

#Metro ranking

Where this ZIP sits among others in its metro area.

Appreciation
26th percentile[1]
Rental yield
[2]
Property tax
41st percentile[3]

Frequently asked

How much is a home worth in ZIP code 40023?
The typical home in 40023 is worth $539,958, based on the Zillow Home Value Index.
Are home values rising in 40023?
Home values in 40023 are up 1.6% over the past year, and up 4.7% a year over five years.
What is the property tax rate in 40023?
The effective property tax rate in 40023 is 0.7% — roughly $3,834 a year on a typical home.
Who lives in 40023?
ZIP code 40023 has a population of 6,870 and a median household income of $144,635.

#Comparable ZIPs

Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.

  • Buckner CDP, KY

    Typical home
    $507,285
    Gross yield
  • Goshen, KY

    Typical home
    $504,429
    Gross yield
  • KY

    Typical home
    $497,747
    Gross yield
  • Louisville/Jefferson County metro government (balance), KY

    Typical home
    $484,165
    Gross yield
    4.0%
  • Crestwood, KY

    Typical home
    $467,074
    Gross yield
    4.4%
  • Louisville/Jefferson County metro government (balance), KY

    Typical home
    $623,979
    Gross yield
    4.3%

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