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zipcodes.pro — ZIP/40243

40243

ZIP 40243 is in Louisville, Kentucky, in Jefferson County; area code 502; Eastern time. Louisville has 66 ZIP codes in all.

Type
Standard
Time zone
America/Kentucky/Louisville
County
Jefferson
Population
12,002
Coordinates
38.2402, -85.5326
☼ Live from 40243 — Louisville, KY

Weather right now

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Where 40243 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.

★ Weird and wonderful facts about 40243
  • 🔢 Type 40243 into a pocket calculator and turn it upside down: EhZOh — not quite a word, sorry.
  • ➕ As a number, 40,243 = 7 × 5749. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001110100110011
  • 🏠 Its numerical neighbours: 40242 (Louisville, KY, 4 mi away) and 40245 (Louisville, KY, 5 mi away).
  • 🔄 Backwards, 40243 becomes 34204 — and that is a real ZIP code: Bradenton, FL, 768 miles away.
  • 👥 37 other ZIP codes are made of exactly the same digits (02344, 03244, 03442, 04234, 04243, 04342, …). The farthest-flung twin is 34024 in APO AA, a military post office, 1,659 miles away.
  • 🧭 Farther south than 57% of all ZIP codes, and farther east than 55%.
  • 🎯708 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 40243 and you would come out at 38.24°S, 94.47°E — 1,281 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 50m of daylight. Shortest: 9h 30m.
  • 📏 At 4.1 square miles of land, 40243 is bigger than 17% of ZIP codes — room for about 3.1 Central Parks.
🌙 The sky over 40243 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population12,002This ZIP12,002
Households5,741This ZIP5,741
Housing units6,204This ZIP6,204
Median age48.0This ZIP48.0Kentucky39.1US 38.9
Median household income$77,587This ZIP$77,587Kentucky$63,726US $80,734
Median home value$323,200This ZIP$323,200Kentucky$205,600US $332,700
Median gross rent$1,444This ZIP$1,444Kentucky$967US $1,413
Bachelor's degree or higher54.9%This ZIP54.9%
Mean commute18.7 minThis ZIP18.7 min
Population density2,921.6 / sq miThis ZIP2,921.6 / sq mi

Business and tax activity

Business establishments659This ZIP659
Employees8,262This ZIP8,262
Annual payroll$396,072,000This ZIP$396,072,000
Tax returns filed6,180This ZIP6,180
Total adjusted gross income$480,326,000This ZIP$480,326,000

Land area

Land area4.11 sq miThis ZIP4.11 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 40243

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 40243

ZIPCityDistance
40223 Louisville, KY 1.3 mi
40242 Louisville, KY 3.9 mi
40018 Eastwood, KY 4.2 mi
40222 Louisville, KY 4.6 mi
40241 Louisville, KY 4.7 mi
40220 Louisville, KY 5.0 mi
40245 Louisville, KY 5.1 mi
40056 Pewee Valley, KY 5.3 mi
40299 Louisville, KY 6.2 mi
40207 Louisville, KY 6.9 mi

Find every ZIP code within 10 miles of 40243 →

Questions about this ZIP code

Where is ZIP code 40243?

40243 is in Louisville, Kentucky, in Jefferson County, part of the Louisville/Jefferson County, KY-IN metropolitan area. Its published point location is 38.2402, -85.5326.

What county is 40243 in?

40243 lies in Jefferson County.

What area code is 40243?

Louisville uses area code 502, from NANPA's telephone records.

What time zone is 40243 in?

40243 uses America/Kentucky/Louisville.

How many people live in 40243?

About 12,002 people live in ZIP code 40243, in 5,741 households, at 2,921.6 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 40243?

$77,587 a year, against $63,726 across Kentucky.

What ZIP codes are near 40243?

The closest are 40223 (1.3 mi), 40242 (3.9 mi), 40018 (4.2 mi), 40222 (4.6 mi) and 40241 (4.7 mi).

Is 40243 a PO Box ZIP code?

40243 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “40243 ZIP Code — Louisville, Kentucky (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40243

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