Zip Code 40223
Louisville, Kentucky — Jefferson County
📍 ZIP code 40223 is in Louisville, Jefferson County, Kentucky.
ZIP code 40223 is located in Louisville, Jefferson County, Kentucky. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 23,264. The area code for ZIP code 40223 is 502.
Quick Answer
Zip code 40223 is in Louisville, Kentucky (Jefferson County). It has a population of 23,264, median household income of $97,033, and median home value of $343,600.
Population
23,264
Income
$97,033
Home Value
$343,600
Climate
88°F / 27°F
About Zip Code 40223
Zip code 40223 is located in Louisville, Kentucky, within Jefferson County. Home to approximately 23,264 residents, this area sits at an elevation of 715 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 502.
The median household income is $97,033 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $343,600, and the cost of living index is 120 (20% above the national average of 100).
Summers average a high of 88°F while winters drop to 27°F. The area receives about 48 in of rain and 12 in of snow annually. The zip code covers 11.7 square miles of land area and 0.2 square miles of water.
Key Statistics
23,264
$97,033
$343,600
Eastern (EST/EDT)
502
715 ft
11.7 sq mi
42.3
10,387
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Compare With Nearby Zip Codes
| Metric | 40223 | 40243 | 40242 | 40241 | 40056 | 40222 |
|---|---|---|---|---|---|---|
| City | Louisville, KY | Louisville, KY | Louisville, KY | Louisville, KY | Pewee Valley, KY | Louisville, KY |
| Population | 23,264 | 12,049 | 11,099 | 30,910 | 3,361 | 21,634 |
| Median Income | $97,033 | $75,859 | $79,201 | $95,775 | $123,317 | $81,623 |
| Home Value | $343,600 | $297,900 | $293,200 | $349,200 | $319,400 | $347,000 |
| Cost of Living | 120 | 107 | 101 | 122 | 120 | 114 |
| Median Age | 42.3 | 47.8 | 36.3 | 41.4 | 41.7 | 40.6 |
Cost of Living
100 = National Average. Louisville's cost of living is 20% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
3.5x
Demographics
Zip code 40223 has a population of 23,264 people with a median age of 42.3. There are 10,387 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Louisville (40223) population trend from 2010 to 2024
↑ 37.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
88°F
27°F
48 in
12 in
Louisville experiences warm summers with average highs around 88°F. Winters are cool with lows averaging 27°F. The area receives about 12 in of snow per year.
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Housing & Economy
Median Home Value
$343,600
Median Household Income
$97,033
With 10,387 housing units across 11.7 square miles, 40223 has a housing density of 888 units per square mile. The home price-to-income ratio is 3.5x.
Location & Geography
Latitude
38.2585°
Longitude
-85.5398°
Land Area
11.7 sq mi
Water Area
0.2 sq mi
Nearby Zip Codes
Zip codes closest to 40223 (Louisville, KY) with distances:
All Zip Codes in Louisville, KY
Other zip codes serving Louisville:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 40223's $97,033. A way to compare Louisville to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 40223 (Louisville, KY). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Louisville, Kentucky?
Louisville, Kentucky uses zip code 40223 along with 8 other zip codes.
What county is zip code 40223 in?
Zip code 40223 is located in Jefferson County, Kentucky.
What is the population of zip code 40223?
The population of zip code 40223 is 23,264 with a median age of 42.3.
Is 40223 in Louisville, Kentucky?
Yes, zip code 40223 is in Louisville, Jefferson County, Kentucky. The area code is 502.
Frequently Asked Questions
What city is zip code 40223 in?
Zip code 40223 is in Louisville, Kentucky. It is part of Jefferson County and uses the Eastern (EST/EDT) timezone.
What is zip code 40223?
Zip code 40223 is a U.S. postal code in Louisville, Kentucky (Jefferson County). It has a population of 23,264 and covers 11.7 square miles.
What is the population of zip code 40223?
The population of zip code 40223 (Louisville, KY) is 23,264 with a median age of 42.3. There are approximately 10,387 housing units in this area.
What is the median income in zip code 40223?
The median household income in zip code 40223 (Louisville, KY) is $97,033 per year. The cost of living index is 120 (100 = national average).
What is the average home price in zip code 40223?
The median home value in zip code 40223 (Louisville, KY) is $343,600. The cost of living index is 120 compared to the national average of 100.
What county is zip code 40223 in?
Zip code 40223 is located in Jefferson County, Kentucky. The primary city is Louisville.
What is the area code for zip code 40223?
Zip code 40223 in Louisville, KY uses area code 502. It is located in the Eastern (EST/EDT) timezone.
Is zip code 40223 a good place to live?
Zip code 40223 (Louisville, KY) has a cost of living index of 120 (100 = national average), a median household income of $97,033, and median home values of $343,600. The median age is 42.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 40223?
The cost of living index for zip code 40223 (Louisville, KY) is 120, where 100 represents the national average. This area is above the national average. Median home value: $343,600.
What schools serve zip code 40223?
Zip code 40223 in Louisville, Kentucky is served by the local school district of Jefferson County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.