40023
ZIP 40023 is Fisherville, Kentucky, mostly in Jefferson County; area code 502; Eastern time.
- Type
- Standard
- Time zone
- America/Kentucky/Louisville
- County
- Jefferson +2 more
- Metro area
- Louisville/Jefferson County, KY-IN
- Population
- 6,870
- Coordinates
- 38.1640, -85.4239
Weather right now
Asking the National Weather Service…
Where 40023 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 40023 into a pocket calculator and turn it upside down: EZOOh — not quite a word, sorry.
- ➕ As a number, 40,023 = 3 × 3 × 4447. Its digits add up to 9, a total 375 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001110001010111 - 🏠 Its numerical neighbours: 40022 (Finchville, KY, 4 mi away) and 40025 (Glenview, KY, 16 mi away).
- 🔄 Backwards, 40023 becomes 32004 — and that is a real ZIP code: Ponte Vedra Beach, FL, 594 miles away.
- 👥 27 other ZIP codes are made of exactly the same digits (02043, 02304, 02340, 03042, 03240, 04032, …). The farthest-flung twin is 34002 in APO AA, a military post office, 2,050 miles away.
- 🧭 Farther south than 57% of all ZIP codes, and farther east than 55%.
- 🎯715 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 40023 and you would come out at 38.16°S, 94.58°E — 1,275 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 30m.
- 📏 At 24.3 square miles of land, 40023 is bigger than 41% of ZIP codes — room for about 18 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 6,870This ZIP6,870 |
|---|---|
| Households | 2,489This ZIP2,489 |
| Housing units | 2,584This ZIP2,584 |
| Median age | 44.6This ZIP44.6Kentucky39.1US 38.9 |
| Median household income | $144,635This ZIP$144,635Kentucky$63,726US $80,734 |
| Median home value | $497,800This ZIP$497,800Kentucky$205,600US $332,700 |
| Median gross rent | $1,181This ZIP$1,181Kentucky$967US $1,413 |
| Bachelor's degree or higher | 49.5%This ZIP49.5% |
| Mean commute | 28.2 minThis ZIP28.2 min |
| Population density | 283.0 / sq miThis ZIP283.0 / sq mi |
Business and tax activity
| Business establishments | 91This ZIP91 |
|---|---|
| Employees | 477This ZIP477 |
| Annual payroll | $27,009,000This ZIP$27,009,000 |
| Tax returns filed | 3,080This ZIP3,080 |
| Total adjusted gross income | $430,592,000This ZIP$430,592,000 |
Land area
| Land area | 24.28 sq miThis ZIP24.28 sq mi |
|---|---|
| Water area | 0.28 sq miThis ZIP0.28 sq mi |
Counties 40023 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Jefferson County | 59.8% |
| Spencer County | 32.5% |
| Shelby County | 7.6% |
Other place names in 40023
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 40023
| ZIP | City | Distance |
|---|---|---|
40022 | Finchville, KY | 4.5 mi |
40018 | Eastwood, KY | 5.1 mi |
40299 | Louisville, KY | 5.1 mi |
40067 | Simpsonville, KY | 5.4 mi |
40245 | Louisville, KY | 7.3 mi |
40243 | Louisville, KY | 7.9 mi |
40071 | Taylorsville, KY | 8.7 mi |
40291 | Louisville, KY | 8.9 mi |
40223 | Louisville, KY | 9.1 mi |
40056 | Pewee Valley, KY | 10.5 mi |
Find every ZIP code within 10 miles of 40023 →
Questions about this ZIP code
Where is ZIP code 40023?
40023 is in Fisherville, Kentucky, in Jefferson County, part of the Louisville/Jefferson County, KY-IN metropolitan area. Its published point location is 38.1640, -85.4239.
What county is 40023 in?
40023 spans 3 counties: Jefferson County, Spencer County and Shelby County. Most of it falls in Jefferson County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 40023?
Fisherville uses area code 502, from NANPA's telephone records.
What time zone is 40023 in?
40023 uses America/Kentucky/Louisville.
How many people live in 40023?
About 6,870 people live in ZIP code 40023, in 2,489 households, at 283.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 40023?
$144,635 a year, against $63,726 across Kentucky.
What ZIP codes are near 40023?
The closest are 40022 (4.5 mi), 40018 (5.1 mi), 40299 (5.1 mi), 40067 (5.4 mi) and 40245 (7.3 mi).
Is 40023 a PO Box ZIP code?
40023 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “40023 ZIP Code — Fisherville, Kentucky (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40023
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/40023.json Underlying data is public domain or openly licensed — sources, vintages and licences.