20630
ZIP 20630 is Drayden, Maryland, in St. Mary's County; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- St. Mary's
- Metro area
- Lexington Park, MD
- Population
- 559
- Coordinates
- 38.1601, -76.4635
Weather right now
Asking the National Weather Service…
Where 20630 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 20630 into a pocket calculator and turn it upside down: OEgOZ — not quite a word, sorry.
- ➕ As a number, 20,630 = 2 × 5 × 2063. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101000010010110 - 🏠 Its numerical neighbours: 20629 (Dowell, MD, 13 mi away) and 20632 (Faulkner, MD, 32 mi away).
- 🔄 Backwards, 20630 becomes 03602 — and that is a real ZIP code: Alstead, NH, 406 miles away.
- 👥 30 other ZIP codes are made of exactly the same digits (00623, 02360, 02630, 03062, 03260, 03602, …). The farthest-flung twin is 00623 in Cabo Rojo, PR, 1,496 miles away.
- 🧭 Farther south than 57% of all ZIP codes, and farther east than 83%.
- 🎯1,190 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 20630 and you would come out at 38.16°S, 103.54°E — 817 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 30m.
- 📏 At 6.9 square miles of land, 20630 is bigger than 22% of ZIP codes — room for about 5.3 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 559This ZIP559 |
|---|---|
| Households | 253This ZIP253 |
| Housing units | 253This ZIP253 |
| Median age | 56.1This ZIP56.1Maryland39.4US 38.9 |
| Median household income | $233,411This ZIP$233,411Maryland$103,678US $80,734 |
| Median home value | $618,100This ZIP$618,100Maryland$419,900US $332,700 |
| Bachelor's degree or higher | 70.0%This ZIP70.0% |
| Mean commute | 34.3 minThis ZIP34.3 min |
| Population density | 80.5 / sq miThis ZIP80.5 / sq mi |
Business and tax activity
| Business establishments | 8This ZIP8 |
|---|---|
| Employees | 19This ZIP19 |
| Annual payroll | $850,000This ZIP$850,000 |
| Tax returns filed | 290This ZIP290 |
| Total adjusted gross income | $48,947,000This ZIP$48,947,000 |
Land area
| Land area | 6.94 sq miThis ZIP6.94 sq mi |
|---|---|
| Water area | 7.32 sq miThis ZIP7.32 sq mi |
ZIP codes near 20630
| ZIP | City | Distance |
|---|---|---|
20692 | Valley Lee, MD | 2.4 mi |
20686 | Saint Marys City, MD | 2.5 mi |
20684 | Saint Inigoes, MD | 3.3 mi |
20690 | Tall Timbers, MD | 3.9 mi |
20667 | Park Hall, MD | 3.9 mi |
20674 | Piney Point, MD | 4.0 mi |
20680 | Ridge, MD | 5.5 mi |
20653 | Lexington Park, MD | 5.6 mi |
20634 | Great Mills, MD | 5.9 mi |
20620 | Callaway, MD | 6.0 mi |
Find every ZIP code within 10 miles of 20630 →
Questions about this ZIP code
Where is ZIP code 20630?
20630 is in Drayden, Maryland, in St. Mary's County, part of the Lexington Park, MD metropolitan area. Its published point location is 38.1601, -76.4635.
What county is 20630 in?
20630 lies in St. Mary's County.
What time zone is 20630 in?
20630 uses America/New_York.
How many people live in 20630?
About 559 people live in ZIP code 20630, in 253 households, at 80.5 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 20630?
$233,411 a year, against $103,678 across Maryland.
What ZIP codes are near 20630?
The closest are 20692 (2.4 mi), 20686 (2.5 mi), 20684 (3.3 mi), 20690 (3.9 mi) and 20667 (3.9 mi).
Is 20630 a PO Box ZIP code?
20630 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “20630 ZIP Code — Drayden, Maryland (St. Mary's County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20630
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/20630.json Underlying data is public domain or openly licensed — sources, vintages and licences.