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zipcodes.pro — ZIP/40223

40223

ZIP 40223 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
22,798
Coordinates
38.2585, -85.5398
☼ Live from 40223 — Louisville, KY

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Where 40223 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 40223
  • 🔢 Type 40223 into a pocket calculator and turn it upside down: EZZOh — not quite a word, sorry.
  • ➕ As a number, 40,223 = 19 × 29 × 73. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001110100011111
  • 🏠 Its numerical neighbours: 40222 (Louisville, KY, 4 mi away) and 40224 (Louisville, KY, 9 mi away).
  • 🔄 Backwards, 40223 becomes 32204 — and that is a real ZIP code: Jacksonville, FL, 591 miles away.
  • 👥 35 other ZIP codes are made of exactly the same digits (02324, 03224, 03242, 04223, 20423, 22034, …). The farthest-flung twin is 34022 in APO AA, a military post office, 1,674 miles away.
  • 🧭 Farther south than 56% of all ZIP codes, and farther east than 55%.
  • 🎯707 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 40223 and you would come out at 38.26°S, 94.46°E — 1,282 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 50m of daylight. Shortest: 9h 30m.
  • 📏 At 12.1 square miles of land, 40223 is bigger than 30% of ZIP codes — room for about 9.2 Central Parks.
🌙 The sky over 40223 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population22,798This ZIP22,798
Households9,971This ZIP9,971
Housing units10,521This ZIP10,521
Median age43.1This ZIP43.1Kentucky39.1US 38.9
Median household income$96,607This ZIP$96,607Kentucky$63,726US $80,734
Median home value$362,500This ZIP$362,500Kentucky$205,600US $332,700
Median gross rent$1,482This ZIP$1,482Kentucky$967US $1,413
Bachelor's degree or higher57.0%This ZIP57.0%
Mean commute20.1 minThis ZIP20.1 min
Population density1,891.0 / sq miThis ZIP1,891.0 / sq mi

Business and tax activity

Business establishments1,207This ZIP1,207
Employees41,958This ZIP41,958
Annual payroll$2,802,870,000This ZIP$2,802,870,000
Tax returns filed12,190This ZIP12,190
Total adjusted gross income$1,480,727,000This ZIP$1,480,727,000

Land area

Land area12.06 sq miThis ZIP12.06 sq mi
Water area0.17 sq miThis ZIP0.17 sq mi

Other place names in 40223

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

ZIP codes near 40223

ZIPCityDistance
40243 Louisville, KY 1.3 mi
40242 Louisville, KY 2.8 mi
40241 Louisville, KY 3.5 mi
40222 Louisville, KY 3.9 mi
40056 Pewee Valley, KY 4.5 mi
40018 Eastwood, KY 4.9 mi
40245 Louisville, KY 5.1 mi
40220 Louisville, KY 5.2 mi
40207 Louisville, KY 6.4 mi
40041 Masonic Home, KY 6.8 mi

Find every ZIP code within 10 miles of 40223 →

Questions about this ZIP code

Where is ZIP code 40223?

40223 is in Louisville, Kentucky, in Jefferson County, part of the Louisville/Jefferson County, KY-IN metropolitan area. Its published point location is 38.2585, -85.5398.

What county is 40223 in?

40223 lies in Jefferson County.

What area code is 40223?

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

What time zone is 40223 in?

40223 uses America/Kentucky/Louisville.

How many people live in 40223?

About 22,798 people live in ZIP code 40223, in 9,971 households, at 1,891.0 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 40223?

$96,607 a year, against $63,726 across Kentucky.

What ZIP codes are near 40223?

The closest are 40243 (1.3 mi), 40242 (2.8 mi), 40241 (3.5 mi), 40222 (3.9 mi) and 40056 (4.5 mi).

Is 40223 a PO Box ZIP code?

40223 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “40223 ZIP Code — Louisville, Kentucky (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40223

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