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zipcodes.pro — ZIP/20861

20861

ZIP 20861 is Ashton, Maryland, in Montgomery County; Eastern time.

Type
Standard
Time zone
America/New_York
County
Montgomery
Population
2,890
Coordinates
39.1487, -76.9991
☼ Live from 20861 — Ashton, MD

Weather right now

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NEXRAD radar
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Local time: —

Where 20861 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.

★ Weird and wonderful facts about 20861
  • 🔢 Type 20861 into a pocket calculator and turn it upside down: IgBOZ — not quite a word, sorry.
  • ➕ As a number, 20,861 = 23 × 907. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000101111101
  • 🏠 Its numerical neighbours: 20860 (Sandy Spring, MD, 2 mi away) and 20862 (Brinklow, MD, 2 mi away).
  • 🔄 Backwards, 20861 becomes 16802 — and that is a real ZIP code: University Park, PA, 123 miles away.
  • 👥 52 other ZIP codes are made of exactly the same digits (01826, 01862, 02186, 02816, 02861, 06128, …). The farthest-flung twin is 86021 in Colorado City, AZ, 1,960 miles away.
  • 🧭 Farther north than 50% of all ZIP codes, and farther east than 82%.
  • 🎯1,149 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20861 and you would come out at 39.15°S, 103.00°E — 876 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
  • 📏 At 5.2 square miles of land, 20861 is bigger than 19% of ZIP codes — room for about 3.9 Central Parks.
🌙 The sky over 20861 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,890This ZIP2,890
Households917This ZIP917
Housing units971This ZIP971
Median age51.0This ZIP51.0Maryland39.4US 38.9
Median household income$163,438This ZIP$163,438Maryland$103,678US $80,734
Median home value$852,700This ZIP$852,700Maryland$419,900US $332,700
Bachelor's degree or higher77.4%This ZIP77.4%
Mean commute30.9 minThis ZIP30.9 min
Population density558.3 / sq miThis ZIP558.3 / sq mi

Business and tax activity

Business establishments70This ZIP70
Employees586This ZIP586
Annual payroll$37,945,000This ZIP$37,945,000
Tax returns filed1,520This ZIP1,520
Total adjusted gross income$264,327,000This ZIP$264,327,000

Land area

Land area5.18 sq miThis ZIP5.18 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 20861

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 20861

ZIPCityDistance
20860 Sandy Spring, MD 1.9 mi
20777 Highland, MD 2.4 mi
20862 Brinklow, MD 2.4 mi
20868 Spencerville, MD 2.6 mi
20905 Silver Spring, MD 2.7 mi
20830 Olney, MD 3.7 mi
20759 Fulton, MD 3.7 mi
20832 Olney, MD 4.2 mi
20866 Burtonsville, MD 4.4 mi
21029 Clarksville, MD 5.0 mi

Find every ZIP code within 10 miles of 20861 →

Questions about this ZIP code

Where is ZIP code 20861?

20861 is in Ashton, Maryland, in Montgomery County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 39.1487, -76.9991.

What county is 20861 in?

20861 lies in Montgomery County.

What time zone is 20861 in?

20861 uses America/New_York.

How many people live in 20861?

About 2,890 people live in ZIP code 20861, in 917 households, at 558.3 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 20861?

$163,438 a year, against $103,678 across Maryland.

What ZIP codes are near 20861?

The closest are 20860 (1.9 mi), 20777 (2.4 mi), 20862 (2.4 mi), 20868 (2.6 mi) and 20905 (2.7 mi).

Is 20861 a PO Box ZIP code?

20861 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “20861 ZIP Code — Ashton, Maryland (Montgomery County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20861

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