40078
ZIP 40078 is Willisburg, Kentucky, in Washington County; area code 859; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Washington
- Metro area
- none
- Population
- 2,661
- Coordinates
- 37.8311, -85.1448
Weather right now
Asking the National Weather Service…
Where 40078 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 40078 into a pocket calculator and turn it upside down: BLOOh — not quite a word, sorry.
- ➕ As a number, 40,078 = 2 × 29 × 691. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001110010001110 - 🏠 Its numerical neighbours: 40077 (Westport, KY, 49 mi away) and 40104 (Battletown, KY, 67 mi away).
- 🔄 Backwards, 40078 becomes 87004 — and that is a real ZIP code: Bernalillo, NM, 1,199 miles away.
- 👥 25 other ZIP codes are made of exactly the same digits (00784, 04078, 04087, 04780, 07480, 07840, …). The farthest-flung twin is 00784 in Guayama, PR, 1,787 miles away.
- 🧭 Farther south than 59% of all ZIP codes, and farther east than 56%.
- 🎯735 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 40078 and you would come out at 37.83°S, 94.86°E — 1,255 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 47m of daylight. Shortest: 9h 32m.
- 📏 At 61.3 square miles of land, 40078 is bigger than 65% of ZIP codes — room for about 47 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,661This ZIP2,661 |
|---|---|
| Households | 884This ZIP884 |
| Housing units | 989This ZIP989 |
| Median age | 32.0This ZIP32.0Kentucky39.1US 38.9 |
| Median household income | $54,435This ZIP$54,435Kentucky$63,726US $80,734 |
| Median home value | $183,400This ZIP$183,400Kentucky$205,600US $332,700 |
| Median gross rent | $1,042This ZIP$1,042Kentucky$967US $1,413 |
| Bachelor's degree or higher | 10.5%This ZIP10.5% |
| Mean commute | 28.1 minThis ZIP28.1 min |
| Population density | 43.4 / sq miThis ZIP43.4 / sq mi |
Business and tax activity
| Business establishments | 29This ZIP29 |
|---|---|
| Employees | 298This ZIP298 |
| Annual payroll | $11,214,000This ZIP$11,214,000 |
| Tax returns filed | 1,050This ZIP1,050 |
| Total adjusted gross income | $55,656,000This ZIP$55,656,000 |
Land area
| Land area | 61.29 sq miThis ZIP61.29 sq mi |
|---|---|
| Water area | 0.99 sq miThis ZIP0.99 sq mi |
Other place names in 40078
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 40078
| ZIP | City | Distance |
|---|---|---|
40040 | Mackville, KY | 5.6 mi |
40012 | Chaplin, KY | 5.8 mi |
40069 | Springfield, KY | 8.2 mi |
40008 | Bloomfield, KY | 8.9 mi |
40061 | Saint Catharine, KY | 10.6 mi |
40046 | Mount Eden, KY | 13.4 mi |
40330 | Harrodsburg, KY | 14.3 mi |
40020 | Fairfield, KY | 15.0 mi |
40372 | Salvisa, KY | 15.1 mi |
40468 | Perryville, KY | 15.3 mi |
Find every ZIP code within 10 miles of 40078 →
Questions about this ZIP code
Where is ZIP code 40078?
40078 is in Willisburg, Kentucky, in Washington County. Its published point location is 37.8311, -85.1448.
What county is 40078 in?
40078 lies in Washington County.
What area code is 40078?
Willisburg uses area code 859, from NANPA's telephone records.
What time zone is 40078 in?
40078 uses America/New_York.
How many people live in 40078?
About 2,661 people live in ZIP code 40078, in 884 households, at 43.4 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 40078?
$54,435 a year, against $63,726 across Kentucky.
What ZIP codes are near 40078?
The closest are 40040 (5.6 mi), 40012 (5.8 mi), 40069 (8.2 mi), 40008 (8.9 mi) and 40061 (10.6 mi).
Is 40078 a PO Box ZIP code?
40078 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “40078 ZIP Code — Willisburg, Kentucky (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40078
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/40078.json Underlying data is public domain or openly licensed — sources, vintages and licences.