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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/43021

43021

ZIP 43021 is Galena, Ohio, in Delaware County; Eastern time.

Type
Standard
Time zone
America/New_York
County
Delaware
Metro area
Columbus, OH
Population
14,403
Coordinates
40.2050, -82.8765
☼ Live from 43021 — Galena, OH

Weather right now

Asking the National Weather Service…

NEXRAD radar
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Local time: —

Where 43021 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 43021
  • 🔢 Type 43021 into a pocket calculator and turn it upside down: IZOEh — not quite a word, sorry.
  • ➕ As a number, 43,021 = 11 × 3911. Its digits add up to 10, a total 513 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010100000001101
  • 🏠 Its numerical neighbours: 43019 (Fredericktown, OH, 25 mi away) and 43022 (Gambier, OH, 30 mi away).
  • 🔄 Backwards, 43021 becomes 12034, which is not a ZIP code at all.
  • 👥 68 other ZIP codes are made of exactly the same digits (01243, 01342, 01432, 02134, 02143, 02341, …). The farthest-flung twin is 34021 in APO AA, a military post office, 1,950 miles away.
  • 🧭 Farther north than 58% of all ZIP codes, and farther east than 63%.
  • 🎯830 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 43021 and you would come out at 40.21°S, 97.12°E — 1,188 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 02m of daylight. Shortest: 9h 18m.
  • 📏 At 38.9 square miles of land, 43021 is bigger than 53% of ZIP codes — room for about 30 Central Parks.
🌙 The sky over 43021 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population14,403This ZIP14,403
Households4,710This ZIP4,710
Housing units4,882This ZIP4,882
Median age41.3This ZIP41.3Ohio39.7US 38.9
Median household income$167,941This ZIP$167,941Ohio$71,389US $80,734
Median home value$564,700This ZIP$564,700Ohio$214,800US $332,700
Median gross rent$1,364This ZIP$1,364Ohio$1,034US $1,413
Bachelor's degree or higher62.8%This ZIP62.8%
Mean commute25.2 minThis ZIP25.2 min
Population density370.3 / sq miThis ZIP370.3 / sq mi

Business and tax activity

Business establishments229This ZIP229
Employees1,206This ZIP1,206
Annual payroll$64,172,000This ZIP$64,172,000
Tax returns filed7,310This ZIP7,310
Total adjusted gross income$1,314,467,000This ZIP$1,314,467,000

Land area

Land area38.89 sq miThis ZIP38.89 sq mi
Water area2.38 sq miThis ZIP2.38 sq mi

Other place names in 43021

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

ZIP codes near 43021

ZIPCityDistance
43082 Westerville, OH 3.4 mi
43074 Sunbury, OH 4.7 mi
43035 Lewis Center, OH 6.5 mi
43081 Westerville, OH 6.6 mi
43240 Columbus, OH 7.0 mi
43236 Columbus, OH 8.4 mi
43231 Columbus, OH 9.2 mi
43032 Kilbourne, OH 9.6 mi
43229 Columbus, OH 9.8 mi
43013 Croton, OH 10.0 mi

Find every ZIP code within 10 miles of 43021 →

Questions about this ZIP code

Where is ZIP code 43021?

43021 is in Galena, Ohio, in Delaware County, part of the Columbus, OH metropolitan area. Its published point location is 40.2050, -82.8765.

What county is 43021 in?

43021 lies in Delaware County.

What time zone is 43021 in?

43021 uses America/New_York.

How many people live in 43021?

About 14,403 people live in ZIP code 43021, in 4,710 households, at 370.3 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 43021?

$167,941 a year, against $71,389 across Ohio.

What ZIP codes are near 43021?

The closest are 43082 (3.4 mi), 43074 (4.7 mi), 43035 (6.5 mi), 43081 (6.6 mi) and 43240 (7 mi).

Is 43021 a PO Box ZIP code?

43021 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “43021 ZIP Code — Galena, Ohio (Delaware County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/43021

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