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Where 20611 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 20611 into a pocket calculator and turn it upside down: IIgOZ — not quite a word, sorry.
- ➕ 20611 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 10, a total 513 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101000010000011 - 🏠 Its numerical neighbours: 20610 (Barstow, MD, 21 mi away) and 20612 (Benedict, MD, 17 mi away).
- 🔄 Backwards, 20611 becomes 11602, which is not a ZIP code at all.
- 👥 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, 748 miles away.
- 🧭 Farther south than 55% of all ZIP codes, and farther east than 82%.
- 🎯1,158 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 20611 and you would come out at 38.46°S, 103.01°E — 852 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 51m of daylight. Shortest: 9h 29m.
- 📏 At 8.3 square miles of land, 20611 is bigger than 25% of ZIP codes — room for about 6.3 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,219This ZIP1,219 |
|---|---|
| Households | 409This ZIP409 |
| Housing units | 440This ZIP440 |
| Median age | 45.1This ZIP45.1Maryland39.4US 38.9 |
| Median household income | $151,607This ZIP$151,607Maryland$103,678US $80,734 |
| Median home value | $460,900This ZIP$460,900Maryland$419,900US $332,700 |
| Bachelor's degree or higher | 20.1%This ZIP20.1% |
| Mean commute | 41.4 minThis ZIP41.4 min |
| Population density | 146.7 / sq miThis ZIP146.7 / sq mi |
Business and tax activity
| Business establishments | 11This ZIP11 |
|---|---|
| Employees | 167This ZIP167 |
| Annual payroll | $6,560,000This ZIP$6,560,000 |
| Tax returns filed | 560This ZIP560 |
| Total adjusted gross income | $49,638,000This ZIP$49,638,000 |
Land area
| Land area | 8.31 sq miThis ZIP8.31 sq mi |
|---|---|
| Water area | 1.25 sq miThis ZIP1.25 sq mi |
ZIP codes near 20611
| ZIP | City | Distance |
|---|---|---|
20632 | Faulkner, MD | 2.8 mi |
20604 | Waldorf, MD | 3.8 mi |
20677 | Port Tobacco, MD | 3.8 mi |
20646 | La Plata, MD | 4.6 mi |
20693 | Welcome, MD | 5.4 mi |
20622 | Charlotte Hall, MD | 6.5 mi |
22448 | Dahlgren, VA | 8.5 mi |
20664 | Newburg, MD | 8.8 mi |
20675 | Pomfret, MD | 9.0 mi |
20695 | White Plains, MD | 9.2 mi |
Find every ZIP code within 10 miles of 20611 →
Questions about this ZIP code
Where is ZIP code 20611?
20611 is in Bel Alton, Maryland, in Charles County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.4551, -76.9875.
What county is 20611 in?
20611 lies in Charles County.
What area code is 20611?
Bel Alton uses area codes 240, 301 and 227, from NANPA's telephone records.
What time zone is 20611 in?
20611 uses America/New_York.
How many people live in 20611?
About 1,219 people live in ZIP code 20611, in 409 households, at 146.7 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 20611?
$151,607 a year, against $103,678 across Maryland.
What ZIP codes are near 20611?
The closest are 20632 (2.8 mi), 20604 (3.8 mi), 20677 (3.8 mi), 20646 (4.6 mi) and 20693 (5.4 mi).
Is 20611 a PO Box ZIP code?
20611 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “20611 ZIP Code — Bel Alton, Maryland (Charles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20611
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/20611.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.