21915
ZIP 21915 is Chesapeake City, Maryland, in Cecil County; area codes 667, 410 and 443; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Cecil
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- Population
- 2,471
- Coordinates
- 39.4961, -75.8482
Weather right now
Asking the National Weather Service…
Where 21915 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 21915 into a pocket calculator and turn it upside down: SIGIZ — not quite a word, sorry.
- ➕ As a number, 21,915 = 3 × 3 × 5 × 487. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101010110011011 - 🏠 Its numerical neighbours: 21914 (Charlestown, MD, 9 mi away) and 21916 (Childs, MD, 10 mi away).
- 🔄 Backwards, 21915 becomes 51912, which is not a ZIP code at all.
- 👥 23 other ZIP codes are made of exactly the same digits (11952, 12159, 12195, 12915, 15129, 15219, …). The farthest-flung twin is 95112 in San Jose, CA, 2,469 miles away.
- 🧭 Farther north than 52% of all ZIP codes, and farther east than 85%.
- 🎯1,206 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21915 and you would come out at 39.50°S, 104.15°E — 837 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 23m.
- 📏 At 22.8 square miles of land, 21915 is bigger than 40% of ZIP codes — room for about 17 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,471This ZIP2,471 |
|---|---|
| Households | 1,217This ZIP1,217 |
| Housing units | 1,618This ZIP1,618 |
| Median age | 51.9This ZIP51.9Maryland39.4US 38.9 |
| Median household income | $95,875This ZIP$95,875Maryland$103,678US $80,734 |
| Median home value | $376,500This ZIP$376,500Maryland$419,900US $332,700 |
| Median gross rent | $825This ZIP$825Maryland$1,705US $1,413 |
| Bachelor's degree or higher | 21.2%This ZIP21.2% |
| Mean commute | 31.4 minThis ZIP31.4 min |
| Population density | 108.6 / sq miThis ZIP108.6 / sq mi |
Business and tax activity
| Business establishments | 83This ZIP83 |
|---|---|
| Employees | 940This ZIP940 |
| Annual payroll | $50,880,000This ZIP$50,880,000 |
| Tax returns filed | 1,470This ZIP1,470 |
| Total adjusted gross income | $142,176,000This ZIP$142,176,000 |
Land area
| Land area | 22.76 sq miThis ZIP22.76 sq mi |
|---|---|
| Water area | 4.35 sq miThis ZIP4.35 sq mi |
Other place names in 21915
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21915
| ZIP | City | Distance |
|---|---|---|
21912 | Warwick, MD | 5.5 mi |
21913 | Cecilton, MD | 5.8 mi |
21919 | Earleville, MD | 7.0 mi |
21922 | Elkton, MD | 7.7 mi |
21901 | North East, MD | 8.7 mi |
21930 | Georgetown, MD | 9.0 mi |
21921 | Elkton, MD | 9.1 mi |
21914 | Charlestown, MD | 9.1 mi |
19709 | Middletown, DE | 9.1 mi |
19701 | Bear, DE | 10.1 mi |
Find every ZIP code within 10 miles of 21915 →
Questions about this ZIP code
Where is ZIP code 21915?
21915 is in Chesapeake City, Maryland, in Cecil County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area. Its published point location is 39.4961, -75.8482.
What county is 21915 in?
21915 lies in Cecil County.
What area code is 21915?
Chesapeake City uses area codes 667, 410 and 443, from NANPA's telephone records.
What time zone is 21915 in?
21915 uses America/New_York.
How many people live in 21915?
About 2,471 people live in ZIP code 21915, in 1,217 households, at 108.6 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 21915?
$95,875 a year, against $103,678 across Maryland.
What ZIP codes are near 21915?
The closest are 21912 (5.5 mi), 21913 (5.8 mi), 21919 (7 mi), 21922 (7.7 mi) and 21901 (8.7 mi).
Is 21915 a PO Box ZIP code?
21915 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21915 ZIP Code — Chesapeake City, Maryland (Cecil County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21915
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21915.json Underlying data is public domain or openly licensed — sources, vintages and licences.