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zipcodes.pro — ZIP/19966

19966

ZIP 19966 is Millsboro, Delaware, in Sussex County; area code 302; Eastern time.

Type
Standard
Time zone
America/New_York
County
Sussex
Metro area
Seaford, DE
Population
35,884
Coordinates
38.5794, -75.2772
☼ Live from 19966 — Millsboro, DE

Weather right now

Asking the National Weather Service…

NEXRAD radar
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Local time: —

Where 19966 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 19966
  • 🔢 Type 19966 into a pocket calculator and turn it upside down: ggGGI — not quite a word, sorry.
  • ➕ As a number, 19,966 = 2 × 67 × 149. Its digits add up to 31, a total 799 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100110111111110
  • 🏠 Its numerical neighbours: 19964 (Marydel, DE, 43 mi away) and 19967 (Millville, DE, 9 mi away).
  • 🔄 Backwards, 19966 becomes 66991, which is not a ZIP code at all.
  • 👥 5 other ZIP codes are made of exactly the same digits (16699, 69169, 96916, 99166, 99661). The farthest-flung twin is 96916 in Merizo, GU, 8,022 miles away.
  • 🧭 Farther south than 54% of all ZIP codes, and farther east than 87%.
  • 🎯1,247 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 19966 and you would come out at 38.58°S, 104.72°E — 777 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 52m of daylight. Shortest: 9h 28m.
  • 📏 At 89.1 square miles of land, 19966 is bigger than 75% of ZIP codes — room for about 68 Central Parks.
🌙 The sky over 19966 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population35,884This ZIP35,884
Households15,435This ZIP15,435
Housing units19,893This ZIP19,893
Median age53.9This ZIP53.9Delaware41.6US 38.9
Median household income$78,305This ZIP$78,305Delaware$84,954US $80,734
Median home value$317,500This ZIP$317,500Delaware$352,000US $332,700
Median gross rent$1,325This ZIP$1,325Delaware$1,401US $1,413
Bachelor's degree or higher26.1%This ZIP26.1%
Mean commute29.6 minThis ZIP29.6 min
Population density402.8 / sq miThis ZIP402.8 / sq mi

Business and tax activity

Business establishments565This ZIP565
Employees10,458This ZIP10,458
Annual payroll$487,714,000This ZIP$487,714,000
Tax returns filed18,460This ZIP18,460
Total adjusted gross income$1,410,333,000This ZIP$1,410,333,000

Land area

Land area89.08 sq miThis ZIP89.08 sq mi
Water area8.24 sq miThis ZIP8.24 sq mi

Other place names in 19966

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

ZIP codes near 19966

ZIPCityDistance
19939 Dagsboro, DE 3.8 mi
19945 Frankford, DE 6.2 mi
19951 Harbeson, DE 7.4 mi
19967 Millville, DE 8.9 mi
19947 Georgetown, DE 9.3 mi
19975 Selbyville, DE 9.5 mi
19970 Ocean View, DE 9.8 mi
19930 Bethany Beach, DE 11.4 mi
21872 Whaleyville, MD 11.4 mi
19958 Lewes, DE 11.9 mi

Find every ZIP code within 10 miles of 19966 →

Questions about this ZIP code

Where is ZIP code 19966?

19966 is in Millsboro, Delaware, in Sussex County, part of the Seaford, DE micropolitan area. Its published point location is 38.5794, -75.2772.

What county is 19966 in?

19966 lies in Sussex County.

What area code is 19966?

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

What time zone is 19966 in?

19966 uses America/New_York.

How many people live in 19966?

About 35,884 people live in ZIP code 19966, in 15,435 households, at 402.8 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 19966?

$78,305 a year, against $84,954 across Delaware.

What ZIP codes are near 19966?

The closest are 19939 (3.8 mi), 19945 (6.2 mi), 19951 (7.4 mi), 19967 (8.9 mi) and 19947 (9.3 mi).

Is 19966 a PO Box ZIP code?

19966 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “19966 ZIP Code — Millsboro, Delaware (Sussex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/19966

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