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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/20636

20636

ZIP 20636 is Hollywood, 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
10,486
Coordinates
38.3521, -76.5672
☼ Live from 20636 — Hollywood, MD

Weather right now

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Local time: —

Where 20636 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 20636
  • 🔢 Type 20636 into a pocket calculator and turn it upside down: gEgOZ — not quite a word, sorry.
  • ➕ As a number, 20,636 = 2 × 2 × 7 × 11 × 67. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000010011100
  • 🏠 Its numerical neighbours: 20635 (Helen, MD, 4 mi away) and 20637 (Hughesville, MD, 16 mi away).
  • 🔄 Backwards, 20636 becomes 63602, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (02366, 02663, 03266, 06263, 23066, 23606, …). The farthest-flung twin is 66023 in Effingham, KS, 1,013 miles away.
  • 🧭 Farther south than 56% of all ZIP codes, and farther east than 83%.
  • 🎯1,182 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20636 and you would come out at 38.35°S, 103.43°E — 829 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 50m of daylight. Shortest: 9h 29m.
  • 📏 At 34.4 square miles of land, 20636 is bigger than 49% of ZIP codes — room for about 26 Central Parks.
🌙 The sky over 20636 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population10,486This ZIP10,486
Households3,324This ZIP3,324
Housing units3,880This ZIP3,880
Median age39.4This ZIP39.4Maryland39.4US 38.9
Median household income$163,690This ZIP$163,690Maryland$103,678US $80,734
Median home value$474,000This ZIP$474,000Maryland$419,900US $332,700
Median gross rent$1,365This ZIP$1,365Maryland$1,705US $1,413
Bachelor's degree or higher34.4%This ZIP34.4%
Mean commute30.0 minThis ZIP30.0 min
Population density305.2 / sq miThis ZIP305.2 / sq mi

Business and tax activity

Business establishments173This ZIP173
Employees2,591This ZIP2,591
Annual payroll$222,016,000This ZIP$222,016,000
Tax returns filed5,230This ZIP5,230
Total adjusted gross income$605,072,000This ZIP$605,072,000

Land area

Land area34.36 sq miThis ZIP34.36 sq mi
Water area10.35 sq miThis ZIP10.35 sq mi

ZIP codes near 20636

ZIPCityDistance
20635 Helen, MD 3.5 mi
20615 Broomes Island, MD 4.2 mi
20619 California, MD 4.6 mi
20688 Solomons, MD 5.8 mi
20629 Dowell, MD 6.0 mi
20685 Saint Leonard, MD 6.1 mi
20656 Loveville, MD 6.3 mi
20657 Lusby, MD 7.2 mi
20650 Leonardtown, MD 7.3 mi
20660 Morganza, MD 7.7 mi

Find every ZIP code within 10 miles of 20636 →

Questions about this ZIP code

Where is ZIP code 20636?

20636 is in Hollywood, Maryland, in St. Mary's County, part of the Lexington Park, MD metropolitan area. Its published point location is 38.3521, -76.5672.

What county is 20636 in?

20636 lies in St. Mary's County.

What time zone is 20636 in?

20636 uses America/New_York.

How many people live in 20636?

About 10,486 people live in ZIP code 20636, in 3,324 households, at 305.2 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 20636?

$163,690 a year, against $103,678 across Maryland.

What ZIP codes are near 20636?

The closest are 20635 (3.5 mi), 20615 (4.2 mi), 20619 (4.6 mi), 20688 (5.8 mi) and 20629 (6 mi).

Is 20636 a PO Box ZIP code?

20636 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “20636 ZIP Code — Hollywood, Maryland (St. Mary's County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20636

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