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zipcodes.pro — ZIP/20637

20637

ZIP 20637 is Hughesville, Maryland, in Charles County; area codes 240, 227 and 301; Eastern time.

Type
Standard
Time zone
America/New_York
County
Charles
Population
6,133
Coordinates
38.5251, -76.7560
☼ Live from 20637 — Hughesville, MD

Weather right now

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NEXRAD radar
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Local time: —

Where 20637 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 20637
  • 🔢 Type 20637 into a pocket calculator and turn it upside down: LEgOZ — not quite a word, sorry.
  • ➕ As a number, 20,637 = 3 × 3 × 2293. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000010011101
  • 🏠 Its numerical neighbours: 20636 (Hollywood, MD, 16 mi away) and 20639 (Huntingtown, MD, 10 mi away).
  • 🔄 Backwards, 20637 becomes 73602, which is not a ZIP code at all.
  • 👥 56 other ZIP codes are made of exactly the same digits (02367, 02637, 02673, 02763, 03276, 06237, …). The farthest-flung twin is 76302 in Wichita Falls, TX, 1,250 miles away.
  • 🧭 Farther south than 55% of all ZIP codes, and farther east than 83%.
  • 🎯1,169 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20637 and you would come out at 38.53°S, 103.24°E — 843 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 51m of daylight. Shortest: 9h 28m.
  • 📏 At 32.7 square miles of land, 20637 is bigger than 48% of ZIP codes — room for about 25 Central Parks.
🌙 The sky over 20637 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population6,133This ZIP6,133
Households2,031This ZIP2,031
Housing units2,142This ZIP2,142
Median age43.5This ZIP43.5Maryland39.4US 38.9
Median household income$160,121This ZIP$160,121Maryland$103,678US $80,734
Median home value$555,400This ZIP$555,400Maryland$419,900US $332,700
Median gross rent$2,366This ZIP$2,366Maryland$1,705US $1,413
Bachelor's degree or higher34.0%This ZIP34.0%
Mean commute43.4 minThis ZIP43.4 min
Population density187.4 / sq miThis ZIP187.4 / sq mi

Business and tax activity

Business establishments105This ZIP105
Employees1,048This ZIP1,048
Annual payroll$85,495,000This ZIP$85,495,000
Tax returns filed3,130This ZIP3,130
Total adjusted gross income$333,098,000This ZIP$333,098,000

Land area

Land area32.72 sq miThis ZIP32.72 sq mi
Water area1.33 sq miThis ZIP1.33 sq mi

Other place names in 20637

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

ZIP codes near 20637

ZIPCityDistance
20612 Benedict, MD 4.3 mi
20608 Aquasco, MD 4.9 mi
20617 Bryantown, MD 5.4 mi
20610 Barstow, MD 7.6 mi
20659 Mechanicsville, MD 8.2 mi
20601 Waldorf, MD 8.5 mi
20602 Waldorf, MD 8.5 mi
20678 Prince Frederick, MD 8.7 mi
20639 Huntingtown, MD 9.7 mi
20622 Charlotte Hall, MD 10.0 mi

Find every ZIP code within 10 miles of 20637 →

Questions about this ZIP code

Where is ZIP code 20637?

20637 is in Hughesville, Maryland, in Charles County, part of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan area. Its published point location is 38.5251, -76.7560.

What county is 20637 in?

20637 lies in Charles County.

What area code is 20637?

Hughesville uses area codes 240, 227 and 301, from NANPA's telephone records.

What time zone is 20637 in?

20637 uses America/New_York.

How many people live in 20637?

About 6,133 people live in ZIP code 20637, in 2,031 households, at 187.4 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 20637?

$160,121 a year, against $103,678 across Maryland.

What ZIP codes are near 20637?

The closest are 20612 (4.3 mi), 20608 (4.9 mi), 20617 (5.4 mi), 20610 (7.6 mi) and 20659 (8.2 mi).

Is 20637 a PO Box ZIP code?

20637 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “20637 ZIP Code — Hughesville, Maryland (Charles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20637

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