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Where 21678 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.
- 🔢 Type 21678 into a pocket calculator and turn it upside down: BLgIZ — not quite a word, sorry.
- ➕ As a number, 21,678 = 2 × 3 × 3613. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101010010101110 - 🏠 Its numerical neighbours: 21677 (Woolford, MD, 58 mi away) and 21679 (Wye Mills, MD, 27 mi away).
- 🔄 Backwards, 21678 becomes 87612, which is not a ZIP code at all.
- 👥 42 other ZIP codes are made of exactly the same digits (12768, 12786, 16728, 16827, 16872, 17268, …). The farthest-flung twin is 82716 in Gillette, WY, 1,551 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther east than 84%.
- 🎯1,194 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21678 and you would come out at 39.31°S, 103.89°E — 842 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
- 📏 At 36.8 square miles of land, 21678 is bigger than 51% of ZIP codes — room for about 28 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,658This ZIP1,658 |
|---|---|
| Households | 789This ZIP789 |
| Housing units | 987This ZIP987 |
| Median age | 50.6This ZIP50.6Maryland39.4US 38.9 |
| Median household income | $71,023This ZIP$71,023Maryland$103,678US $80,734 |
| Median home value | $319,000This ZIP$319,000Maryland$419,900US $332,700 |
| Median gross rent | $2,033This ZIP$2,033Maryland$1,705US $1,413 |
| Bachelor's degree or higher | 27.9%This ZIP27.9% |
| Mean commute | 29.7 minThis ZIP29.7 min |
| Population density | 45.0 / sq miThis ZIP45.0 / sq mi |
Business and tax activity
| Business establishments | 41This ZIP41 |
|---|---|
| Employees | 217This ZIP217 |
| Annual payroll | $11,153,000This ZIP$11,153,000 |
| Tax returns filed | 1,140This ZIP1,140 |
| Total adjusted gross income | $83,453,000This ZIP$83,453,000 |
Land area
| Land area | 36.85 sq miThis ZIP36.85 sq mi |
|---|---|
| Water area | 6.60 sq miThis ZIP6.60 sq mi |
Other place names in 21678
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21678
| ZIP | City | Distance |
|---|---|---|
21667 | Still Pond, MD | 3.9 mi |
21610 | Betterton, MD | 4.3 mi |
21620 | Chestertown, MD | 7.5 mi |
21645 | Kennedyville, MD | 8.4 mi |
21010 | Gunpowder, MD | 11.0 mi |
21005 | Aberdeen Proving Ground, MD | 11.0 mi |
21628 | Crumpton, MD | 11.6 mi |
21130 | Perryman, MD | 11.9 mi |
21919 | Earleville, MD | 12.0 mi |
21040 | Edgewood, MD | 12.1 mi |
Find every ZIP code within 10 miles of 21678 →
Questions about this ZIP code
Where is ZIP code 21678?
21678 is in Worton, Maryland, in Kent County. Its published point location is 39.3136, -76.1133.
What county is 21678 in?
21678 lies in Kent County.
What area code is 21678?
Worton uses area codes 667 and 410, from NANPA's telephone records.
What time zone is 21678 in?
21678 uses America/New_York.
How many people live in 21678?
About 1,658 people live in ZIP code 21678, in 789 households, at 45.0 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 21678?
$71,023 a year, against $103,678 across Maryland.
What ZIP codes are near 21678?
The closest are 21667 (3.9 mi), 21610 (4.3 mi), 21620 (7.5 mi), 21645 (8.4 mi) and 21010 (11 mi).
Is 21678 a PO Box ZIP code?
21678 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21678 ZIP Code — Worton, Maryland (Kent County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21678
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21678.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.