21919
ZIP 21919 is Earleville, Maryland, in Cecil County; area codes 667 and 410; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Cecil
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- Population
- 3,626
- Coordinates
- 39.4186, -75.9337
Weather right now
Asking the National Weather Service…
Where 21919 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 21919 into a pocket calculator and turn it upside down: GIGIZ — not quite a word, sorry.
- ➕ As a number, 21,919 = 23 × 953. Its digits add up to 22, a total 2,607 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101010110011111 - 🏠 Its numerical neighbours: 21918 (Conowingo, MD, 22 mi away) and 21920 (Elk Mills, MD, 17 mi away).
- 🔄 Backwards, 21919 becomes 91912 — and that is a real ZIP code: Chula Vista, CA, 2,326 miles away.
- 👥 11 other ZIP codes are made of exactly the same digits (12919, 19129, 19192, 29911, 91129, 91912, …). The farthest-flung twin is 91129 in Pasadena, CA, 2,343 miles away.
- 🧭 Farther north than 52% of all ZIP codes, and farther east than 85%.
- 🎯1,202 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21919 and you would come out at 39.42°S, 104.07°E — 838 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 23m.
- 📏 At 42.8 square miles of land, 21919 is bigger than 55% of ZIP codes — room for about 32 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,626This ZIP3,626 |
|---|---|
| Households | 1,450This ZIP1,450 |
| Housing units | 2,217This ZIP2,217 |
| Median age | 47.7This ZIP47.7Maryland39.4US 38.9 |
| Median household income | $106,500This ZIP$106,500Maryland$103,678US $80,734 |
| Median home value | $373,200This ZIP$373,200Maryland$419,900US $332,700 |
| Median gross rent | $1,746This ZIP$1,746Maryland$1,705US $1,413 |
| Bachelor's degree or higher | 31.3%This ZIP31.3% |
| Mean commute | 33.0 minThis ZIP33.0 min |
| Population density | 84.7 / sq miThis ZIP84.7 / sq mi |
Business and tax activity
| Business establishments | 49This ZIP49 |
|---|---|
| Employees | 619This ZIP619 |
| Annual payroll | $28,987,000This ZIP$28,987,000 |
| Tax returns filed | 1,540This ZIP1,540 |
| Total adjusted gross income | $143,054,000This ZIP$143,054,000 |
Land area
| Land area | 42.79 sq miThis ZIP42.79 sq mi |
|---|---|
| Water area | 8.68 sq miThis ZIP8.68 sq mi |
ZIP codes near 21919
| ZIP | City | Distance |
|---|---|---|
21913 | Cecilton, MD | 3.4 mi |
21930 | Georgetown, MD | 4.2 mi |
21912 | Warwick, MD | 6.1 mi |
21915 | Chesapeake City, MD | 7.0 mi |
21645 | Kennedyville, MD | 7.2 mi |
21635 | Galena, MD | 7.4 mi |
21667 | Still Pond, MD | 8.2 mi |
21610 | Betterton, MD | 8.2 mi |
21650 | Massey, MD | 10.0 mi |
21005 | Aberdeen Proving Ground, MD | 10.2 mi |
Find every ZIP code within 10 miles of 21919 →
Questions about this ZIP code
Where is ZIP code 21919?
21919 is in Earleville, Maryland, in Cecil County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area. Its published point location is 39.4186, -75.9337.
What county is 21919 in?
21919 lies in Cecil County.
What area code is 21919?
Earleville uses area codes 667 and 410, from NANPA's telephone records.
What time zone is 21919 in?
21919 uses America/New_York.
How many people live in 21919?
About 3,626 people live in ZIP code 21919, in 1,450 households, at 84.7 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 21919?
$106,500 a year, against $103,678 across Maryland.
What ZIP codes are near 21919?
The closest are 21913 (3.4 mi), 21930 (4.2 mi), 21912 (6.1 mi), 21915 (7 mi) and 21645 (7.2 mi).
Is 21919 a PO Box ZIP code?
21919 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21919 ZIP Code — Earleville, Maryland (Cecil County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21919
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21919.json Underlying data is public domain or openly licensed — sources, vintages and licences.