Residential delivery area · Kentucky
ZIP Code 40023: Fisherville, KY
ZIP code 40023 uses the postal name Fisherville, Kentucky and lies mostly in Jefferson County (60% of its land), reaching into Spencer County and Shelby County (Census 2020 ZIP-county file). About 6,900 people live there (Census Bureau, ACS 2020-2024). Median household income is $144,635 (Census Bureau, ACS 2020-2024). Most of its land (60%) lies in the city of Louisville/Jefferson County.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Fisherville · its only residential ZIP
- County
- Jefferson County (60%); Spencer County (33%); Shelby County (8%)
- Census places
- Louisville/Jefferson County (60%); Elk Creek (13%) census-designated place
- Metro area
- Louisville/Jefferson County, KY-IN
- House districts
- KY-2 (60%), KY-4 (40%) 119th Congress, by share of land
- State
- Kentucky
- Time zone
- Eastern
- Land area
- 24.3 sq mi · 283 people per sq mi
Where is ZIP code 40023?
40023 centers on 38.164°, -85.424° and covers 24.3 square miles of land plus 0.3 of water. It borders 5 ZIP codes: 40022, 40299, 40067, 40245, 40071.
The map draws ZIP code areas only. For the streets inside 40023, 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 40023 compare with the rest of Jefferson County?
| Measure | 40023 | In Jefferson County | In KY |
|---|---|---|---|
| People (ACS 2020-2024) | 6,870 | 33rd of 41 | 170th of 780 |
| Median household income | $145k | 2nd of 33 | 3rd of 310 |
| Median home value | $498k | 2nd of 33 | 4th of 320 |
Its median household income is higher than in 96% of U.S. residential ZIP codes, and it is denser than 66% 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 40023?
The 2020 Census counted 5,956 people in 40023; the ACS, which samples households over 2020-2024, estimates 6,870. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 6,870±849 (90% margin)
- 2020 Census count
- 5,956
- Households
- 2,489
- Median age
- 44.6
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 40023?
Of the 6,870 people the ACS estimates in 40023, 23.7% are under 18 and 17.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (87.9%).
- Under 1823.7%
- 18 to 6458.6%
- 65 and older17.7%
- White, not Hispanic87.9%
- Hispanic or Latino4.5%
- Black, not Hispanic3.2%
- Asian, not Hispanic2.2%
- Other or two or more2.2%
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 40023 earn?
Median household income is $144,635 (ACS 2020-2024), the 2nd highest of the 33 ranked ZIP codes in Jefferson County.
- Median household income
- $144,635±$15,506
- Income per person
- $66,318
- Below the poverty line
- 3.0%
- Unemployed (of the labor force)
- 2.2%
- Adults 25+ with a bachelor's degree
- 49.5%
- Adjusted gross income per tax return, 2022
- $139,8033,080 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 40023?
FHFA's house price index for 40023, built from repeat sales and appraisals of the same homes, rose 72% from 2015 to 2025 and rose 43% from 2020 to 2025, and moved +2.8% in 2025.
- Median home value (owners' estimate)
- $497,800
- Median gross rent
- $1,181
- Homes owned by their occupants
- 96.0%
- Housing units
- 2,584
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 40023?
91 business establishments had a location in this ZIP code in 2023, 9 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction29
- Professional, scientific, and technical services13
- Other services (except public administration)8
- Retail trade7
- Wholesale trade5
- Real estate and rental and leasing5
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 40023?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 40022 | Finchville | 903 | $98k | 4.5 mi |
| 40299 | Louisville | 42,207 | $89k | 5.1 mi |
| 40067 | Simpsonville | 6,365 | $98k | 5.4 mi |
| 40245 | Louisville | 39,835 | $123k | 7.3 mi |
| 40071 | Taylorsville | 17,239 | $99k | 8.7 mi |
| 40243 | Louisville | 12,002 | $78k | 7.9 mi (near) |
| 40291 | Louisville | 41,222 | $81k | 8.9 mi (near) |
| 40223 | Louisville | 22,798 | $97k | 9.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.