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zipcodes.pro — ZIP/43140

43140

ZIP 43140 is London, Ohio, mostly in Madison County; area codes 740 and 220; Eastern time.

Type
Standard
Time zone
America/New_York
County
Madison +2 more
Metro area
Columbus, OH
Population
24,237
Coordinates
39.8801, -83.4285
☼ Live from 43140 — London, OH

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Local time: —

Where 43140 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 43140
  • 🔢 Type 43140 into a pocket calculator and turn it upside down: OhIEh — not quite a word, sorry.
  • ➕ As a number, 43,140 = 2 × 2 × 3 × 5 × 719. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010100010000100
  • 🏠 Its numerical neighbours: 43138 (Logan, OH, 59 mi away) and 43142 (Milledgeville, OH, 22 mi away).
  • 🔄 Backwards, 43140 becomes 04134, which is not a ZIP code at all.
  • 👥 31 other ZIP codes are made of exactly the same digits (01344, 01434, 03441, 04341, 04413, 04431, …). The farthest-flung twin is 34041 in APO AA, a military post office, 1,680 miles away.
  • 🧭 Farther north than 55% of all ZIP codes, and farther east than 62%.
  • 🎯803 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 43140 and you would come out at 39.88°S, 96.57°E — 1,207 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 20m.
  • 📏 At 219.9 square miles of land, 43140 is bigger than 92% of ZIP codes — room for about 167 Central Parks.
🌙 The sky over 43140 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population24,237This ZIP24,237
Households8,177This ZIP8,177
Housing units8,704This ZIP8,704
Median age42.0This ZIP42.0Ohio39.7US 38.9
Median household income$83,644This ZIP$83,644Ohio$71,389US $80,734
Median home value$242,900This ZIP$242,900Ohio$214,800US $332,700
Median gross rent$918This ZIP$918Ohio$1,034US $1,413
Bachelor's degree or higher22.6%This ZIP22.6%
Mean commute24.6 minThis ZIP24.6 min
Population density110.2 / sq miThis ZIP110.2 / sq mi

Business and tax activity

Business establishments358This ZIP358
Employees7,451This ZIP7,451
Annual payroll$325,249,000This ZIP$325,249,000
Tax returns filed9,590This ZIP9,590
Total adjusted gross income$703,239,000This ZIP$703,239,000

Land area

Land area219.85 sq miThis ZIP219.85 sq mi
Water area0.72 sq miThis ZIP0.72 sq mi

Counties 43140 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Madison County 96.5%
Franklin County 2.2%
Clark County 1.3%

Other place names in 43140

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

ZIP codes near 43140

ZIPCityDistance
43162 West Jefferson, OH 8.0 mi
45369 South Vienna, OH 10.1 mi
43151 Sedalia, OH 10.5 mi
43153 South Solon, OH 11.6 mi
45368 South Charleston, OH 11.9 mi
43119 Galloway, OH 12.5 mi
43010 Catawba, OH 13.2 mi
43044 Mechanicsburg, OH 13.7 mi
43143 Mount Sterling, OH 13.8 mi
43117 Derby, OH 14.1 mi

Find every ZIP code within 10 miles of 43140 →

Questions about this ZIP code

Where is ZIP code 43140?

43140 is in London, Ohio, in Madison County, part of the Columbus, OH metropolitan area. Its published point location is 39.8801, -83.4285.

What county is 43140 in?

43140 spans 3 counties: Madison County, Franklin County and Clark County. Most of it falls in Madison 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 43140?

London uses area codes 740 and 220, from NANPA's telephone records.

What time zone is 43140 in?

43140 uses America/New_York.

How many people live in 43140?

About 24,237 people live in ZIP code 43140, in 8,177 households, at 110.2 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 43140?

$83,644 a year, against $71,389 across Ohio.

What ZIP codes are near 43140?

The closest are 43162 (8 mi), 45369 (10.1 mi), 43151 (10.5 mi), 43153 (11.6 mi) and 45368 (11.9 mi).

Is 43140 a PO Box ZIP code?

43140 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “43140 ZIP Code — London, Ohio (Madison County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/43140

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/43140.json

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