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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/21037

21037

ZIP 21037 is Edgewater, Maryland, in Anne Arundel County; area codes 443, 410 and 667; Eastern time.

Type
Standard
Time zone
America/New_York
County
Anne Arundel
Population
20,854
Coordinates
38.9193, -76.5435
☼ Live from 21037 — Edgewater, MD

Weather right now

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NEXRAD radar
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Local time: —

Where 21037 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 21037
  • 🔢 Type 21037 into a pocket calculator and turn it upside down: LEOIZ — not quite a word, sorry.
  • ➕ As a number, 21,037 = 109 × 193. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101001000101101
  • 🏠 Its numerical neighbours: 21036 (Dayton, MD, 33 mi away) and 21040 (Edgewood, MD, 38 mi away).
  • 🔄 Backwards, 21037 becomes 73012 — and that is a real ZIP code: Edmond, OK, 1,176 miles away.
  • 👥 63 other ZIP codes are made of exactly the same digits (01237, 02137, 02713, 03217, 10273, 12037, …). The farthest-flung twin is 73021 in Colony, OK, 1,241 miles away.
  • 🧭 Farther south than 51% of all ZIP codes, and farther east than 83%.
  • 🎯1,176 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21037 and you would come out at 38.92°S, 103.46°E — 847 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
  • 📏 At 16.8 square miles of land, 21037 is bigger than 34% of ZIP codes — room for about 13 Central Parks.
🌙 The sky over 21037 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population20,854This ZIP20,854
Households7,901This ZIP7,901
Housing units8,517This ZIP8,517
Median age41.3This ZIP41.3Maryland39.4US 38.9
Median household income$145,787This ZIP$145,787Maryland$103,678US $80,734
Median home value$560,300This ZIP$560,300Maryland$419,900US $332,700
Median gross rent$2,288This ZIP$2,288Maryland$1,705US $1,413
Bachelor's degree or higher46.7%This ZIP46.7%
Mean commute34.7 minThis ZIP34.7 min
Population density1,241.3 / sq miThis ZIP1,241.3 / sq mi

Business and tax activity

Business establishments602This ZIP602
Employees5,522This ZIP5,522
Annual payroll$296,290,000This ZIP$296,290,000
Tax returns filed11,130This ZIP11,130
Total adjusted gross income$1,589,723,000This ZIP$1,589,723,000

Land area

Land area16.80 sq miThis ZIP16.80 sq mi
Water area4.55 sq miThis ZIP4.55 sq mi

Other place names in 21037

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

ZIP codes near 21037

ZIPCityDistance
21106 Mayo, MD 2.8 mi
21140 Riva, MD 3.2 mi
21403 Annapolis, MD 3.3 mi
20776 Harwood, MD 3.8 mi
21035 Davidsonville, MD 4.7 mi
21062 Glen Burnie, MD 4.7 mi
21123 Pasadena, MD 4.7 mi
21411 Annapolis, MD 4.7 mi
21412 Annapolis, MD 4.7 mi
21401 Annapolis, MD 4.8 mi

Find every ZIP code within 10 miles of 21037 →

Questions about this ZIP code

Where is ZIP code 21037?

21037 is in Edgewater, Maryland, in Anne Arundel County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 38.9193, -76.5435.

What county is 21037 in?

21037 lies in Anne Arundel County.

What area code is 21037?

Edgewater uses area codes 443, 410 and 667, from NANPA's telephone records.

What time zone is 21037 in?

21037 uses America/New_York.

How many people live in 21037?

About 20,854 people live in ZIP code 21037, in 7,901 households, at 1,241.3 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 21037?

$145,787 a year, against $103,678 across Maryland.

What ZIP codes are near 21037?

The closest are 21106 (2.8 mi), 21140 (3.2 mi), 21403 (3.3 mi), 20776 (3.8 mi) and 21035 (4.7 mi).

Is 21037 a PO Box ZIP code?

21037 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21037 ZIP Code — Edgewater, Maryland (Anne Arundel County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21037

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