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zipcodes.pro — ZIP/20685

20685

ZIP 20685 is Saint Leonard, Maryland, in Calvert County; area codes 443, 410 and 667; Eastern time.

Type
Standard
Time zone
America/New_York
County
Calvert
Metro area
Lexington Park, MD
Population
6,866
Coordinates
38.4344, -76.5287
☼ Live from 20685 — Saint Leonard, MD

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Where 20685 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 20685
  • 🔢 Type 20685 into a pocket calculator and turn it upside down: SBgOZ — not quite a word, sorry.
  • ➕ As a number, 20,685 = 3 × 5 × 7 × 197. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000011001101
  • 🏠 Its numerical neighbours: 20684 (Saint Inigoes, MD, 22 mi away) and 20686 (Saint Marys City, MD, 18 mi away).
  • 🔄 Backwards, 20685 becomes 58602 — and that is a real ZIP code: Dickinson, ND, 1,447 miles away.
  • 👥 61 other ZIP codes are made of exactly the same digits (02568, 02865, 05682, 05826, 05862, 06258, …). The farthest-flung twin is 85062 in Phoenix, AZ, 2,005 miles away.
  • 🧭 Farther south than 55% of all ZIP codes, and farther east than 83%.
  • 🎯1,183 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20685 and you would come out at 38.43°S, 103.47°E — 829 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 51m of daylight. Shortest: 9h 29m.
  • 📏 At 22.9 square miles of land, 20685 is bigger than 40% of ZIP codes — room for about 17 Central Parks.
🌙 The sky over 20685 today
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🌋 Shake report
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Source: USGS.

People and housing

Population6,866This ZIP6,866
Households2,394This ZIP2,394
Housing units2,676This ZIP2,676
Median age42.8This ZIP42.8Maryland39.4US 38.9
Median household income$119,135This ZIP$119,135Maryland$103,678US $80,734
Median home value$450,400This ZIP$450,400Maryland$419,900US $332,700
Median gross rent$1,906This ZIP$1,906Maryland$1,705US $1,413
Bachelor's degree or higher24.4%This ZIP24.4%
Mean commute40.0 minThis ZIP40.0 min
Population density299.8 / sq miThis ZIP299.8 / sq mi

Business and tax activity

Business establishments72This ZIP72
Employees311This ZIP311
Annual payroll$15,100,000This ZIP$15,100,000
Tax returns filed3,350This ZIP3,350
Total adjusted gross income$344,858,000This ZIP$344,858,000

Land area

Land area22.90 sq miThis ZIP22.90 sq mi
Water area8.34 sq miThis ZIP8.34 sq mi

Other place names in 20685

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

ZIP codes near 20685

ZIPCityDistance
20615 Broomes Island, MD 1.9 mi
20676 Port Republic, MD 3.8 mi
20657 Lusby, MD 5.9 mi
20636 Hollywood, MD 6.1 mi
20678 Prince Frederick, MD 7.2 mi
20629 Dowell, MD 7.4 mi
20610 Barstow, MD 7.9 mi
20688 Solomons, MD 8.2 mi
20635 Helen, MD 9.5 mi
20612 Benedict, MD 9.7 mi

Find every ZIP code within 10 miles of 20685 →

Questions about this ZIP code

Where is ZIP code 20685?

20685 is in Saint Leonard, Maryland, in Calvert County, part of the Lexington Park, MD metropolitan area. Its published point location is 38.4344, -76.5287.

What county is 20685 in?

20685 lies in Calvert County.

What area code is 20685?

Saint Leonard uses area codes 443, 410 and 667, from NANPA's telephone records.

What time zone is 20685 in?

20685 uses America/New_York.

How many people live in 20685?

About 6,866 people live in ZIP code 20685, in 2,394 households, at 299.8 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 20685?

$119,135 a year, against $103,678 across Maryland.

What ZIP codes are near 20685?

The closest are 20615 (1.9 mi), 20676 (3.8 mi), 20657 (5.9 mi), 20636 (6.1 mi) and 20678 (7.2 mi).

Is 20685 a PO Box ZIP code?

20685 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “20685 ZIP Code — Saint Leonard, Maryland (Calvert County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20685

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