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/19711

19711

ZIP 19711 is in Newark, Delaware, in New Castle County; area code 302; Eastern time. Newark has 10 ZIP codes in all.

Type
Standard
Time zone
America/New_York
County
New Castle
Population
49,432
Coordinates
39.7138, -75.7408
☼ Live from 19711 — Newark, DE

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 19711 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 19711
  • 🔢 Type 19711 into a pocket calculator and turn it upside down: IILGI — not quite a word, sorry.
  • ➕ As a number, 19,711 = 23 × 857. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100110011111111
  • 🏠 Its numerical neighbours: 19710 (Montchanin, DE, 10 mi away) and 19712 (Newark, DE, 13 mi away).
  • 🔄 Backwards, 19711 becomes 11791 — and that is a real ZIP code: Syosset, NY, 141 miles away.
  • 👥 9 other ZIP codes are made of exactly the same digits (11719, 11791, 11971, 19171, 71119, 79111, …). The farthest-flung twin is 97111 in Carlton, OR, 2,412 miles away.
  • 🧭 Farther north than 54% of all ZIP codes, and farther east than 85%.
  • 🎯1,210 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 19711 and you would come out at 39.71°S, 104.26°E — 841 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 21m.
  • 📏 At 27.4 square miles of land, 19711 is bigger than 44% of ZIP codes — room for about 21 Central Parks.
🌙 The sky over 19711 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population49,432This ZIP49,432
Households18,815This ZIP18,815
Housing units20,515This ZIP20,515
Median age34.7This ZIP34.7Delaware41.6US 38.9
Median household income$95,403This ZIP$95,403Delaware$84,954US $80,734
Median home value$398,900This ZIP$398,900Delaware$352,000US $332,700
Median gross rent$1,636This ZIP$1,636Delaware$1,401US $1,413
Bachelor's degree or higher53.7%This ZIP53.7%
Mean commute21.3 minThis ZIP21.3 min
Population density1,803.6 / sq miThis ZIP1,803.6 / sq mi

Business and tax activity

Business establishments1,171This ZIP1,171
Employees21,422This ZIP21,422
Annual payroll$1,383,470,000This ZIP$1,383,470,000
Tax returns filed22,380This ZIP22,380
Total adjusted gross income$2,247,037,000This ZIP$2,247,037,000

Land area

Land area27.41 sq miThis ZIP27.41 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Other place names in 19711

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

ZIP codes near 19711

ZIPCityDistance
19717 Newark, DE 2.5 mi
19360 New London, PA 2.5 mi
19716 Newark, DE 3.2 mi
19713 Newark, DE 3.4 mi
19808 Wilmington, DE 4.3 mi
19350 Landenberg, PA 4.4 mi
19347 Kemblesville, PA 5.0 mi
19707 Hockessin, DE 5.8 mi
19804 Wilmington, DE 6.3 mi
19702 Newark, DE 6.6 mi

Find every ZIP code within 10 miles of 19711 →

Questions about this ZIP code

Where is ZIP code 19711?

19711 is in Newark, Delaware, in New Castle County, part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metropolitan area. Its published point location is 39.7138, -75.7408.

What county is 19711 in?

19711 lies in New Castle County.

What area code is 19711?

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

What time zone is 19711 in?

19711 uses America/New_York.

How many people live in 19711?

About 49,432 people live in ZIP code 19711, in 18,815 households, at 1,803.6 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 19711?

$95,403 a year, against $84,954 across Delaware.

What ZIP codes are near 19711?

The closest are 19717 (2.5 mi), 19360 (2.5 mi), 19716 (3.2 mi), 19713 (3.4 mi) and 19808 (4.3 mi).

Is 19711 a PO Box ZIP code?

19711 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “19711 ZIP Code — Newark, Delaware (New Castle County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/19711

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/19711.json

Underlying data is public domain or openly licensed — sources, vintages and licences.