HousingHandbookReference data

U.S. ZIP Code · KY40242

Jefferson County · Louisville/Jefferson County, KY-IN

Typical home value

$330,168[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
+3.2%
5-year / yr
+5.0%
10-year / yr
+5.8%

Relative price

vs U.S.
+16.2%
vs metro
+22.6%
vs state
+98.7%
ZIP 40242 location in KY
Location of ZIP 40242 in KY

Price history

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

The typical home in 40242 is worth $330,168 — 22.6% above the Louisville/Jefferson County, KY-IN median. Over the past year, values have risen 3.2%. Homes here rent for a typical $1,279 a month — a 4.6% gross rental yield. The effective property tax rate is 0.9%.

#Rent & investment

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

Monthly rent
$1,279[2]
Gross yield
4.6%[2]
Cap rate
2.8%[2]

#Property tax

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

Effective tax rate
0.9%[3]
Typical annual tax
$2,851[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
11,168[3]
Median household income
$75,417[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

Schools

Open public schools in this ZIP, from the NCES Common Core of Data.

Public schools
4
Elementary
1
Middle
0
High
1
  • Bowen Elementary

    Elementary · Grades K–5 · Jefferson County

    766 students

  • Westport Early Childhood Center

    Prekindergarten · Grades PK · Jefferson County

    186 students

  • The Brook-KMI

    High · Grades 6–12 · Jefferson County

    30 students

  • Jefferson Regional Juvenile Detention Ce

    Other · Grades K–12 · Jefferson County

    1 students

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 yield4.6%
Net yield (after ~40% expenses)2.8%
Annual rent$15,345

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$1,670
Loan principal$264,134
Down payment$66,034
Total interest paid$336,889

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 ratio1.71
Monthly cost to own$2,181
Monthly rent$1,279

Renting is meaningfully cheaper month-to-month.

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
35th percentile[1]
Rental yield
18th percentile[2]
Property tax
80th percentile[3]

Frequently asked

How much is a home worth in ZIP code 40242?
The typical home in 40242 is worth $330,168, based on the Zillow Home Value Index.
Are home values rising in 40242?
Home values in 40242 are up 3.2% over the past year, and up 5.0% a year over five years.
What is the typical rent in 40242?
A typical home in 40242 rents for about $1,279 a month, a gross rental yield of 4.6%.
What is the property tax rate in 40242?
The effective property tax rate in 40242 is 0.9% — roughly $2,851 a year on a typical home.
Who lives in 40242?
ZIP code 40242 has a population of 11,168 and a median household income of $75,417.

#Comparable ZIPs

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

  • Georgetown, IN

    Typical home
    $333,392
    Gross yield
  • Mount Washington, KY

    Typical home
    $326,816
    Gross yield
  • Westport CDP, KY

    Typical home
    $334,684
    Gross yield
  • Henryville CDP, IN

    Typical home
    $324,241
    Gross yield
  • Middletown, KY

    Typical home
    $341,391
    Gross yield
    5.4%
  • Louisville, KY

    Typical home
    $341,635
    Gross yield
    4.1%

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