Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/19931

19931

ZIP 19931 is Bethel, Delaware, in Sussex County; area code 302; Eastern time.

Type
Standard
Time zone
America/New_York
County
Sussex
Metro area
Seaford, DE
Population
375
Coordinates
38.5693, -75.6105
☼ Live from 19931 — Bethel, DE

Weather right now

Asking the National Weather Service…

NEXRAD radar
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Local time: —

Where 19931 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 19931
  • 🔢 Type 19931 into a pocket calculator and turn it upside down: IEGGI — not quite a word, sorry.
  • ➕ As a number, 19,931 = 19 × 1049. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100110111011011
  • 🏠 Its numerical neighbours: 19930 (Bethany Beach, DE, 29 mi away) and 19933 (Bridgeville, DE, 11 mi away).
  • 🔄 Backwards, 19931 becomes 13991, which is not a ZIP code at all.
  • 👥 11 other ZIP codes are made of exactly the same digits (11939, 19139, 19193, 19319, 39119, 39191, …). The farthest-flung twin is 91319 in Newbury Park, CA, 2,405 miles away.
  • 🧭 Farther south than 54% of all ZIP codes, and farther east than 86%.
  • 🎯1,230 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 19931 and you would come out at 38.57°S, 104.39°E — 791 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 52m of daylight. Shortest: 9h 28m.
  • 📏 At 1.2 square miles of land, 19931 is bigger than 9% of ZIP codes — about 578 football fields.
🌙 The sky over 19931 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population375This ZIP375
Households166This ZIP166
Housing units176This ZIP176
Median age54.5This ZIP54.5Delaware41.6US 38.9
Median household income$99,375This ZIP$99,375Delaware$84,954US $80,734
Median home value$294,700This ZIP$294,700Delaware$352,000US $332,700
Bachelor's degree or higher35.5%This ZIP35.5%
Mean commute27.2 minThis ZIP27.2 min
Population density314.1 / sq miThis ZIP314.1 / sq mi

Business and tax activity

Business establishments5This ZIP5
Employees4This ZIP4
Annual payroll$115,000This ZIP$115,000
Tax returns filed150This ZIP150
Total adjusted gross income$12,088,000This ZIP$12,088,000

Land area

Land area1.19 sq miThis ZIP1.19 sq mi
Water area0.00 sq mi

Other place names in 19931

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

ZIP codes near 19931

ZIPCityDistance
19956 Laurel, DE 4.2 mi
19973 Seaford, DE 4.6 mi
21861 Sharptown, MD 6.7 mi
19940 Delmar, DE 6.8 mi
21875 Delmar, MD 9.6 mi
21659 Rhodesdale, MD 10.3 mi
19933 Bridgeville, DE 11.3 mi
21837 Mardela Springs, MD 11.6 mi
21802 Salisbury, MD 12.5 mi
21803 Salisbury, MD 12.5 mi

Find every ZIP code within 10 miles of 19931 →

Questions about this ZIP code

Where is ZIP code 19931?

19931 is in Bethel, Delaware, in Sussex County, part of the Seaford, DE micropolitan area. Its published point location is 38.5693, -75.6105.

What county is 19931 in?

19931 lies in Sussex County.

What area code is 19931?

Bethel uses area code 302, from NANPA's telephone records.

What time zone is 19931 in?

19931 uses America/New_York.

How many people live in 19931?

About 375 people live in ZIP code 19931, in 166 households, at 314.1 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 19931?

$99,375 a year, against $84,954 across Delaware.

What ZIP codes are near 19931?

The closest are 19956 (4.2 mi), 19973 (4.6 mi), 21861 (6.7 mi), 19940 (6.8 mi) and 21875 (9.6 mi).

Is 19931 a PO Box ZIP code?

19931 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “19931 ZIP Code — Bethel, Delaware (Sussex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/19931

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