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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/45340

45340

ZIP 45340 is Maplewood, Ohio, in Shelby County; area code 937; Eastern time.

Type
Standard
Time zone
America/New_York
County
Shelby
Metro area
Sidney, OH
Population
800
Coordinates
40.3686, -84.0522
☼ Live from 45340 — Maplewood, OH

Weather right now

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Local time: —

Where 45340 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 45340
  • 🔢 Type 45340 into a pocket calculator and turn it upside down: OhESh — not quite a word, sorry.
  • ➕ As a number, 45,340 = 2 × 2 × 5 × 2267. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011000100011100
  • 🏠 Its numerical neighbours: 45339 (Ludlow Falls, OH, 29 mi away) and 45341 (Medway, OH, 34 mi away).
  • 🔄 Backwards, 45340 becomes 04354 — and that is a real ZIP code: Palermo, ME, 795 miles away.
  • 👥 36 other ZIP codes are made of exactly the same digits (03445, 04345, 04354, 04435, 04453, 04543, …). The farthest-flung twin is 34045 in APO AA, a military post office, 2,103 miles away.
  • 🧭 Farther north than 60% of all ZIP codes, and farther east than 60%.
  • 🎯768 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45340 and you would come out at 40.37°S, 95.95°E — 1,250 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
  • 📏 At 24.1 square miles of land, 45340 is bigger than 41% of ZIP codes — room for about 18 Central Parks.
🌙 The sky over 45340 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population800This ZIP800
Households320This ZIP320
Housing units353This ZIP353
Median age52.9This ZIP52.9Ohio39.7US 38.9
Median household income$118,000This ZIP$118,000Ohio$71,389US $80,734
Median home value$240,000This ZIP$240,000Ohio$214,800US $332,700
Bachelor's degree or higher16.6%This ZIP16.6%
Mean commute19.8 minThis ZIP19.8 min
Population density33.3 / sq miThis ZIP33.3 / sq mi

Business and tax activity

Business establishments10This ZIP10
Employees54This ZIP54
Annual payroll$2,020,000This ZIP$2,020,000
Tax returns filed410This ZIP410
Total adjusted gross income$28,434,000This ZIP$28,434,000

Land area

Land area24.05 sq miThis ZIP24.05 sq mi
Water area0.05 sq miThis ZIP0.05 sq mi

ZIP codes near 45340

ZIPCityDistance
45360 Port Jefferson, OH 3.4 mi
45334 Jackson Center, OH 5.2 mi
45353 Pemberton, OH 5.3 mi
43343 Quincy, OH 5.3 mi
45367 Sidney, OH 8.0 mi
45365 Sidney, OH 8.1 mi
43333 Lewistown, OH 8.1 mi
43318 De Graff, OH 8.4 mi
45302 Anna, OH 8.7 mi
45306 Botkins, OH 9.5 mi

Find every ZIP code within 10 miles of 45340 →

Questions about this ZIP code

Where is ZIP code 45340?

45340 is in Maplewood, Ohio, in Shelby County, part of the Sidney, OH micropolitan area. Its published point location is 40.3686, -84.0522.

What county is 45340 in?

45340 lies in Shelby County.

What area code is 45340?

Maplewood uses area code 937, from NANPA's telephone records.

What time zone is 45340 in?

45340 uses America/New_York.

How many people live in 45340?

About 800 people live in ZIP code 45340, in 320 households, at 33.3 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 45340?

$118,000 a year, against $71,389 across Ohio.

What ZIP codes are near 45340?

The closest are 45360 (3.4 mi), 45334 (5.2 mi), 45353 (5.3 mi), 43343 (5.3 mi) and 45367 (8 mi).

Is 45340 a PO Box ZIP code?

45340 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “45340 ZIP Code — Maplewood, Ohio (Shelby County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45340

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