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Where 21610 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 21610 into a pocket calculator and turn it upside down: OIgIZ — not quite a word, sorry.
- ➕ As a number, 21,610 = 2 × 5 × 2161. Its digits add up to 10, a total 513 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101010001101010 - 🏠 Its numerical neighbours: 21609 (Bethlehem, MD, 44 mi away) and 21612 (Bozman, MD, 44 mi away).
- 🔄 Backwards, 21610 becomes 01612 — and that is a real ZIP code: Paxton, MA, 296 miles away.
- 👥 32 other ZIP codes are made of exactly the same digits (01612, 02116, 06112, 10126, 10162, 10261, …). The farthest-flung twin is 61201 in Rock Island, IL, 776 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther east than 85%.
- 🎯1,196 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21610 and you would come out at 39.37°S, 103.93°E — 842 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 23m.
- 📏 At 1.1 square miles of land, 21610 is bigger than 8% of ZIP codes — about 510 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 391This ZIP391 |
|---|---|
| Households | 132This ZIP132 |
| Housing units | 246This ZIP246 |
| Median age | 39.2This ZIP39.2Maryland39.4US 38.9 |
| Median household income | $86,250This ZIP$86,250Maryland$103,678US $80,734 |
| Median home value | $226,700This ZIP$226,700Maryland$419,900US $332,700 |
| Median gross rent | $1,143This ZIP$1,143Maryland$1,705US $1,413 |
| Bachelor's degree or higher | 37.8%This ZIP37.8% |
| Mean commute | 29.3 minThis ZIP29.3 min |
| Population density | 371.0 / sq miThis ZIP371.0 / sq mi |
Business and tax activity
| Business establishments | 4This ZIP4 |
|---|---|
| Employees | 6This ZIP6 |
| Annual payroll | $184,000This ZIP$184,000 |
| Tax returns filed | 170This ZIP170 |
| Total adjusted gross income | $12,734,000This ZIP$12,734,000 |
Land area
| Land area | 1.05 sq miThis ZIP1.05 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
Other place names in 21610
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21610
| ZIP | City | Distance |
|---|---|---|
21667 | Still Pond, MD | 2.0 mi |
21678 | Worton, MD | 4.3 mi |
21645 | Kennedyville, MD | 7.2 mi |
21005 | Aberdeen Proving Ground, MD | 7.6 mi |
21919 | Earleville, MD | 8.2 mi |
21130 | Perryman, MD | 9.7 mi |
21930 | Georgetown, MD | 9.9 mi |
21620 | Chestertown, MD | 11.0 mi |
21913 | Cecilton, MD | 11.3 mi |
21017 | Belcamp, MD | 11.4 mi |
Find every ZIP code within 10 miles of 21610 →
Questions about this ZIP code
Where is ZIP code 21610?
21610 is in Betterton, Maryland, in Kent County. Its published point location is 39.3671, -76.0725.
What county is 21610 in?
21610 lies in Kent County.
What area code is 21610?
Betterton uses area codes 667 and 410, from NANPA's telephone records.
What time zone is 21610 in?
21610 uses America/New_York.
How many people live in 21610?
About 391 people live in ZIP code 21610, in 132 households, at 371.0 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 21610?
$86,250 a year, against $103,678 across Maryland.
What ZIP codes are near 21610?
The closest are 21667 (2 mi), 21678 (4.3 mi), 21645 (7.2 mi), 21005 (7.6 mi) and 21919 (8.2 mi).
Is 21610 a PO Box ZIP code?
21610 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21610 ZIP Code — Betterton, Maryland (Kent County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21610
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21610.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.