21795
ZIP 21795 is Williamsport, Maryland, in Washington County; area codes 240 and 301; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Washington
- Metro area
- Hagerstown-Martinsburg, MD-WV
- Population
- 10,144
- Coordinates
- 39.5806, -77.8237
Weather right now
Asking the National Weather Service…
Where 21795 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 21795 into a pocket calculator and turn it upside down: SGLIZ — not quite a word, sorry.
- ➕ As a number, 21,795 = 3 × 5 × 1453. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101010100100011 - 🏠 Its numerical neighbours: 21794 (West Friendship, MD, 50 mi away) and 21797 (Woodbine, MD, 44 mi away).
- 🔄 Backwards, 21795 becomes 59712, which is not a ZIP code at all.
- 👥 43 other ZIP codes are made of exactly the same digits (12759, 12957, 12975, 15279, 15729, 15927, …). The farthest-flung twin is 95172 in San Jose, CA, 2,365 miles away.
- 🧭 Farther north than 53% of all ZIP codes, and farther east than 79%.
- 🎯1,101 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 21795 and you would come out at 39.58°S, 102.18°E — 929 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
- 📏 At 32.1 square miles of land, 21795 is bigger than 47% of ZIP codes — room for about 24 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 10,144This ZIP10,144 |
|---|---|
| Households | 3,935This ZIP3,935 |
| Housing units | 4,387This ZIP4,387 |
| Median age | 41.0This ZIP41.0Maryland39.4US 38.9 |
| Median household income | $87,864This ZIP$87,864Maryland$103,678US $80,734 |
| Median home value | $295,800This ZIP$295,800Maryland$419,900US $332,700 |
| Median gross rent | $1,301This ZIP$1,301Maryland$1,705US $1,413 |
| Bachelor's degree or higher | 27.7%This ZIP27.7% |
| Mean commute | 23.4 minThis ZIP23.4 min |
| Population density | 315.6 / sq miThis ZIP315.6 / sq mi |
Business and tax activity
| Business establishments | 248This ZIP248 |
|---|---|
| Employees | 5,223This ZIP5,223 |
| Annual payroll | $305,053,000This ZIP$305,053,000 |
| Tax returns filed | 4,890This ZIP4,890 |
| Total adjusted gross income | $356,905,000This ZIP$356,905,000 |
Land area
| Land area | 32.14 sq miThis ZIP32.14 sq mi |
|---|---|
| Water area | 1.73 sq miThis ZIP1.73 sq mi |
Other place names in 21795
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 21795
| ZIP | City | Distance |
|---|---|---|
25419 | Falling Waters, WV | 3.3 mi |
21781 | Saint James, MD | 3.5 mi |
21733 | Fairplay, MD | 4.1 mi |
21740 | Hagerstown, MD | 5.5 mi |
21746 | Hagerstown, MD | 5.9 mi |
21734 | Funkstown, MD | 6.6 mi |
21741 | Hagerstown, MD | 7.0 mi |
21747 | Hagerstown, MD | 7.0 mi |
21749 | Hagerstown, MD | 7.0 mi |
25404 | Martinsburg, WV | 7.4 mi |
Find every ZIP code within 10 miles of 21795 →
Questions about this ZIP code
Where is ZIP code 21795?
21795 is in Williamsport, Maryland, in Washington County, part of the Hagerstown-Martinsburg, MD-WV metropolitan area. Its published point location is 39.5806, -77.8237.
What county is 21795 in?
21795 lies in Washington County.
What area code is 21795?
Williamsport uses area codes 240 and 301, from NANPA's telephone records.
What time zone is 21795 in?
21795 uses America/New_York.
How many people live in 21795?
About 10,144 people live in ZIP code 21795, in 3,935 households, at 315.6 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 21795?
$87,864 a year, against $103,678 across Maryland.
What ZIP codes are near 21795?
The closest are 25419 (3.3 mi), 21781 (3.5 mi), 21733 (4.1 mi), 21740 (5.5 mi) and 21746 (5.9 mi).
Is 21795 a PO Box ZIP code?
21795 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “21795 ZIP Code — Williamsport, Maryland (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/21795
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/21795.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.