40109
ZIP 40109 is Brooks, Kentucky, mostly in Bullitt County; area code 502; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Bullitt +1 more
- Metro area
- Louisville/Jefferson County, KY-IN
- Population
- 2,376
- Coordinates
- 38.0645, -85.7504
Weather right now
Asking the National Weather Service…
Where 40109 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 40109 into a pocket calculator and turn it upside down: GOIOh — not quite a word, sorry.
- ➕ As a number, 40,109 = 19 × 2111. Its digits add up to 14, a total 1,416 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001110010101101 - 🏠 Its numerical neighbours: 40108 (Brandenburg, KY, 24 mi away) and 40110 (Clermont, KY, 10 mi away).
- 🔄 Backwards, 40109 becomes 90104, which is not a ZIP code at all.
- 👥 26 other ZIP codes are made of exactly the same digits (00914, 01094, 01904, 01940, 04019, 04091, …). The farthest-flung twin is 09041 in APO AE, a military post office, 4,623 miles away.
- 🧭 Farther south than 58% of all ZIP codes, and farther east than 55%.
- 🎯699 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 40109 and you would come out at 38.06°S, 94.25°E — 1,290 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 31m.
- 📏 At 13.4 square miles of land, 40109 is bigger than 31% of ZIP codes — room for about 10 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,376This ZIP2,376 |
|---|---|
| Households | 927This ZIP927 |
| Housing units | 1,031This ZIP1,031 |
| Median age | 53.3This ZIP53.3Kentucky39.1US 38.9 |
| Median household income | $75,495This ZIP$75,495Kentucky$63,726US $80,734 |
| Median home value | $262,400This ZIP$262,400Kentucky$205,600US $332,700 |
| Bachelor's degree or higher | 14.5%This ZIP14.5% |
| Mean commute | 26.2 minThis ZIP26.2 min |
| Population density | 177.6 / sq miThis ZIP177.6 / sq mi |
Business and tax activity
| Business establishments | 79This ZIP79 |
|---|---|
| Employees | 1,077This ZIP1,077 |
| Annual payroll | $44,873,000This ZIP$44,873,000 |
| Tax returns filed | 1,180This ZIP1,180 |
| Total adjusted gross income | $79,095,000This ZIP$79,095,000 |
Land area
| Land area | 13.38 sq miThis ZIP13.38 sq mi |
|---|---|
| Water area | 0.05 sq miThis ZIP0.05 sq mi |
Counties 40109 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Bullitt County | 97.0% |
| Jefferson County | 3.0% |
Other place names in 40109
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 40109
| ZIP | City | Distance |
|---|---|---|
40118 | Fairdale, KY | 2.2 mi |
40129 | Hillview, KY | 4.1 mi |
40229 | Louisville, KY | 5.2 mi |
40166 | Shepherdsville, KY | 5.6 mi |
40272 | Louisville, KY | 5.7 mi |
40165 | Shepherdsville, KY | 5.8 mi |
40219 | Louisville, KY | 6.0 mi |
40214 | Louisville, KY | 6.0 mi |
40213 | Louisville, KY | 8.0 mi |
40228 | Louisville, KY | 8.1 mi |
Find every ZIP code within 10 miles of 40109 →
Questions about this ZIP code
Where is ZIP code 40109?
40109 is in Brooks, Kentucky, in Bullitt County, part of the Louisville/Jefferson County, KY-IN metropolitan area. Its published point location is 38.0645, -85.7504.
What county is 40109 in?
40109 spans 2 counties: Bullitt County and Jefferson County. Most of it falls in Bullitt 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 40109?
Brooks uses area code 502, from NANPA's telephone records.
What time zone is 40109 in?
40109 uses America/New_York.
How many people live in 40109?
About 2,376 people live in ZIP code 40109, in 927 households, at 177.6 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 40109?
$75,495 a year, against $63,726 across Kentucky.
What ZIP codes are near 40109?
The closest are 40118 (2.2 mi), 40129 (4.1 mi), 40229 (5.2 mi), 40166 (5.6 mi) and 40272 (5.7 mi).
Is 40109 a PO Box ZIP code?
40109 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “40109 ZIP Code — Brooks, Kentucky (Bullitt County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40109
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/40109.json Underlying data is public domain or openly licensed — sources, vintages and licences.