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zipcodes.pro — ZIP/20684

20684

ZIP 20684 is Saint Inigoes, 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
802
Coordinates
38.1255, -76.4205
☼ Live from 20684 — Saint Inigoes, MD

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Where 20684 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 20684
  • 🔢 Type 20684 into a pocket calculator and turn it upside down: hBgOZ — not quite a word, sorry.
  • ➕ As a number, 20,684 = 2 × 2 × 5171. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 101000011001100
  • 🏠 Its numerical neighbours: 20682 (Rock Point, MD, 26 mi away) and 20685 (Saint Leonard, MD, 22 mi away).
  • 🔄 Backwards, 20684 becomes 48602 — and that is a real ZIP code: Saginaw, MI, 538 miles away.
  • 👥 62 other ZIP codes are made of exactly the same digits (02468, 02648, 02864, 04268, 04286, 04628, …). The farthest-flung twin is 86402 in Kingman, AZ, 2,081 miles away.
  • 🧭 Farther south than 57% of all ZIP codes, and farther east than 84%.
  • 🎯1,193 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 20684 and you would come out at 38.13°S, 103.58°E — 814 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 31m.
  • 📏 At 8.3 square miles of land, 20684 is bigger than 25% of ZIP codes — room for about 6.3 Central Parks.
🌙 The sky over 20684 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population802This ZIP802
Households357This ZIP357
Housing units357This ZIP357
Median age44.2This ZIP44.2Maryland39.4US 38.9
Median household income$180,060This ZIP$180,060Maryland$103,678US $80,734
Median home value$360,500This ZIP$360,500Maryland$419,900US $332,700
Bachelor's degree or higher49.7%This ZIP49.7%
Mean commute22.2 minThis ZIP22.2 min
Population density96.2 / sq miThis ZIP96.2 / sq mi

Business and tax activity

Business establishments20This ZIP20
Employees551This ZIP551
Annual payroll$44,032,000This ZIP$44,032,000
Tax returns filed560This ZIP560
Total adjusted gross income$55,933,000This ZIP$55,933,000

Land area

Land area8.34 sq miThis ZIP8.34 sq mi
Water area3.39 sq miThis ZIP3.39 sq mi

ZIP codes near 20684

ZIPCityDistance
20680 Ridge, MD 2.2 mi
20630 Drayden, MD 3.3 mi
20686 Saint Marys City, MD 4.3 mi
20628 Dameron, MD 4.8 mi
20692 Valley Lee, MD 5.7 mi
20687 Scotland, MD 6.1 mi
20667 Park Hall, MD 6.4 mi
20674 Piney Point, MD 6.4 mi
20690 Tall Timbers, MD 6.6 mi
20653 Lexington Park, MD 7.7 mi

Find every ZIP code within 10 miles of 20684 →

Questions about this ZIP code

Where is ZIP code 20684?

20684 is in Saint Inigoes, Maryland, in St. Mary's County, part of the Lexington Park, MD metropolitan area. Its published point location is 38.1255, -76.4205.

What county is 20684 in?

20684 lies in St. Mary's County.

What time zone is 20684 in?

20684 uses America/New_York.

How many people live in 20684?

About 802 people live in ZIP code 20684, in 357 households, at 96.2 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 20684?

$180,060 a year, against $103,678 across Maryland.

What ZIP codes are near 20684?

The closest are 20680 (2.2 mi), 20630 (3.3 mi), 20686 (4.3 mi), 20628 (4.8 mi) and 20692 (5.7 mi).

Is 20684 a PO Box ZIP code?

20684 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “20684 ZIP Code — Saint Inigoes, Maryland (St. Mary's County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/20684

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