Residential delivery area · Kentucky
ZIP Code 40245: Louisville, KY
ZIP code 40245 uses the postal name Louisville, Kentucky and lies mostly in Jefferson County (72% of its land) with the rest in Shelby County (Census 2020 ZIP-county file). About 40,000 people live there (Census Bureau, ACS 2020-2024), the 7th most populous of Louisville's 34 residential ZIP codes. Median household income is $122,948 (Census Bureau, ACS 2020-2024). Most of its land (70%) lies in the city of Louisville/Jefferson County.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Louisville · 34 residential ZIPs
- County
- Jefferson County (72%); Shelby County (27%)
- Census places
- Louisville/Jefferson County (70%); Worthington Hills (under 1%); Coldstream (under 1%)
- Metro area
- Louisville/Jefferson County, KY-IN
- House districts
- KY-2 (57%), KY-4 (28%), KY-3 (15%) 119th Congress, by share of land
- State
- Kentucky
- Time zone
- Eastern
- Land area
- 32.6 sq mi · 1,222 people per sq mi
- PO Box ZIPs
- 32 more ZIP codes use the name Louisville for PO boxes or single organizations
Where is ZIP code 40245?
40245 centers on 38.268°, -85.446° and covers 32.6 square miles of land plus 0.7 of water. It borders 8 ZIP codes: 40056, 40067, 40243, 40014, 40223, 40023, 40241, 40299.
The map draws ZIP code areas only. For the streets inside 40245, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 40245 compare with the rest of Louisville?
| Measure | 40245 | In Louisville | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 39,835 | 7th of 34 | 20th of 780 |
| Median household income | $123k | 1st of 29 | 9th of 310 |
| Median home value | $445k | 1st of 29 | 6th of 320 |
Its median household income is higher than in 91% of U.S. residential ZIP codes, and it is denser than 80% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 40245?
The 2020 Census counted 37,866 people in 40245; the ACS, which samples households over 2020-2024, estimates 39,835. Between the 2010 and 2020 censuses its population grew 25.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 39,835
- 2020 Census count
- 37,866+25.8% since 2010 (30,109)
- Households
- 15,048
- Median age
- 40.8
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 40245?
Of the 39,835 people the ACS estimates in 40245, 22.4% are under 18 and 16.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (74.4%).
- Under 1822.4%
- 18 to 6460.7%
- 65 and older16.9%
- White, not Hispanic74.4%
- Black, not Hispanic8.0%
- Asian, not Hispanic7.3%
- Hispanic or Latino5.7%
- Other or two or more4.7%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 40245 earn?
Median household income is $122,948 (ACS 2020-2024), the highest of the 29 ranked ZIP codes in Louisville. It fell from $138,964 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $122,948
- Income per person
- $62,005
- Below the poverty line
- 6.4%
- Unemployed (of the labor force)
- 3.0%
- Adults 25+ with a bachelor's degree
- 59.3%
- Adjusted gross income per tax return, 2022
- $141,09518,930 returns; wages 66% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 40245?
FHFA's house price index for 40245, built from repeat sales and appraisals of the same homes, rose 71% from 2015 to 2025 and rose 46% from 2020 to 2025, and moved +2.6% in 2025.
- Median home value (owners' estimate)
- $445,300
- Median gross rent
- $1,688
- Homes owned by their occupants
- 77.0%
- Housing units
- 15,493
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 40245?
747 business establishments had a location in this ZIP code in 2023, 133 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services123
- Health care and social assistance85
- Finance and insurance65
- Administrative and support and waste management and remediation services59
- Construction58
- Retail trade58
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 40245?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 40056 | Pewee Valley | 3,441 | $134k | 3.6 mi |
| 40067 | Simpsonville | 6,365 | $98k | 5.1 mi |
| 40243 | Louisville | 12,002 | $78k | 5.1 mi |
| 40014 | Crestwood | 23,101 | $121k | 5.1 mi |
| 40223 | Louisville | 22,798 | $97k | 5.1 mi |
| 40023 | Fisherville | 6,870 | $145k | 7.3 mi |
| 40241 | Louisville | 30,696 | $94k | 7.4 mi |
| 40299 | Louisville | 42,207 | $89k | 8.9 mi |
| 40010 | Buckner | 678 | $196k | 7.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.