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zipcodes.pro — ZIP/21666

21666

ZIP 21666 is Stevensville, Maryland, in Queen Anne's County; area codes 667, 410 and 443; Eastern time.

Type
Standard
Time zone
America/New_York
County
Queen Anne's
Population
14,394
Coordinates
38.9401, -76.3358
☼ Live from 21666 — Stevensville, MD

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Where 21666 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 21666
  • 🔢 Type 21666 into a pocket calculator and turn it upside down: gggIZ — not quite a word, sorry.
  • ➕ As a number, 21,666 = 2 × 3 × 23 × 157. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101010010100010
  • 🏠 Its numerical neighbours: 21665 (Sherwood, MD, 13 mi away) and 21667 (Still Pond, MD, 32 mi away).
  • 🔄 Backwards, 21666 becomes 66612 — and that is a real ZIP code: Topeka, KS, 1,037 miles away.
  • 👥 6 other ZIP codes are made of exactly the same digits (16662, 61266, 62661, 66216, 66612, 66621). The farthest-flung twin is 66621 in Topeka, KS, 1,038 miles away.
  • 🧭 Farther south than 51% of all ZIP codes, and farther east than 84%.
  • 🎯1,186 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 21666 and you would come out at 38.94°S, 103.66°E — 838 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
  • 📏 At 21.8 square miles of land, 21666 is bigger than 39% of ZIP codes — room for about 17 Central Parks.
🌙 The sky over 21666 today
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🌋 Shake report
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Source: USGS.

People and housing

Population14,394This ZIP14,394
Households5,555This ZIP5,555
Housing units5,835This ZIP5,835
Median age46.0This ZIP46.0Maryland39.4US 38.9
Median household income$123,645This ZIP$123,645Maryland$103,678US $80,734
Median home value$494,300This ZIP$494,300Maryland$419,900US $332,700
Median gross rent$1,764This ZIP$1,764Maryland$1,705US $1,413
Bachelor's degree or higher40.9%This ZIP40.9%
Mean commute31.1 minThis ZIP31.1 min
Population density658.9 / sq miThis ZIP658.9 / sq mi

Business and tax activity

Business establishments439This ZIP439
Employees4,506This ZIP4,506
Annual payroll$264,969,000This ZIP$264,969,000
Tax returns filed7,090This ZIP7,090
Total adjusted gross income$878,944,000This ZIP$878,944,000

Land area

Land area21.85 sq miThis ZIP21.85 sq mi
Water area10.97 sq miThis ZIP10.97 sq mi

Other place names in 21666

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

ZIP codes near 21666

ZIPCityDistance
21619 Chester, MD 3.8 mi
21638 Grasonville, MD 6.9 mi
21409 Annapolis, MD 7.9 mi
21402 Annapolis, MD 8.0 mi
21624 Claiborne, MD 8.0 mi
21403 Annapolis, MD 8.3 mi
21404 Annapolis, MD 8.8 mi
21106 Mayo, MD 10.1 mi
21658 Queenstown, MD 10.3 mi
21647 Mcdaniel, MD 10.3 mi

Find every ZIP code within 10 miles of 21666 →

Questions about this ZIP code

Where is ZIP code 21666?

21666 is in Stevensville, Maryland, in Queen Anne's County, part of the Baltimore-Columbia-Towson, MD metropolitan area. Its published point location is 38.9401, -76.3358.

What county is 21666 in?

21666 lies in Queen Anne's County.

What area code is 21666?

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

What time zone is 21666 in?

21666 uses America/New_York.

How many people live in 21666?

About 14,394 people live in ZIP code 21666, in 5,555 households, at 658.9 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 21666?

$123,645 a year, against $103,678 across Maryland.

What ZIP codes are near 21666?

The closest are 21619 (3.8 mi), 21638 (6.9 mi), 21409 (7.9 mi), 21402 (8 mi) and 21624 (8 mi).

Is 21666 a PO Box ZIP code?

21666 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “21666 ZIP Code — Stevensville, Maryland (Queen Anne's County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21666

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