19717
ZIP 19717 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
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- Population
- 6,036
- Coordinates
- 39.6787, -75.7500
Weather right now
Asking the National Weather Service…
Where 19717 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.
- 🔢 Type 19717 into a pocket calculator and turn it upside down: LILGI — not quite a word, sorry.
- ➕ 19717 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100110100000101 - 🏠 Its numerical neighbours: 19716 (Newark, DE, 1 mi away) and 19718 (Newark, DE, 11 mi away).
- 🔄 Backwards, 19717 becomes 71791, which is not a ZIP code at all.
- 👥 10 other ZIP codes are made of exactly the same digits (11779, 11797, 11977, 19177, 71971, 79117, …). The farthest-flung twin is 97117 in Gales Creek, OR, 2,416 miles away.
- 🧭 Farther north than 53% of all ZIP codes, and farther east than 85%.
- 🎯1,209 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 19717 and you would come out at 39.68°S, 104.25°E — 840 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 21m.
- 📏 At 0.258 square miles of land, 19717 is bigger than 3% of ZIP codes — about 125 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 6,036This ZIP6,036 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Median age | 19.3This ZIP19.3Delaware41.6US 38.9 |
| Mean commute | 14.2 minThis ZIP14.2 min |
| Population density | 23,395.3 / sq miThis ZIP23,395.3 / sq mi |
Business and tax activity
| Business establishments | 7This ZIP7 |
|---|---|
| Employees | 234This ZIP234 |
| Annual payroll | $8,637,000This ZIP$8,637,000 |
Land area
| Land area | 0.26 sq miThis ZIP0.26 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 19717
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 19717
| ZIP | City | Distance |
|---|---|---|
19716 | Newark, DE | 0.8 mi |
19713 | Newark, DE | 2.2 mi |
19711 | Newark, DE | 2.5 mi |
19360 | New London, PA | 3.8 mi |
19702 | Newark, DE | 4.3 mi |
21920 | Elk Mills, MD | 5.1 mi |
19808 | Wilmington, DE | 6.0 mi |
19350 | Landenberg, PA | 6.2 mi |
19347 | Kemblesville, PA | 6.3 mi |
21922 | Elkton, MD | 6.7 mi |
Find every ZIP code within 10 miles of 19717 →
Questions about this ZIP code
Where is ZIP code 19717?
19717 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 39.6787, -75.7500.
What county is 19717 in?
19717 lies in New Castle County.
What area code is 19717?
Newark uses area code 302, from NANPA's telephone records.
What time zone is 19717 in?
19717 uses America/New_York.
How many people live in 19717?
About 6,036 people live in ZIP code 19717, at 23,395.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 19717?
The closest are 19716 (0.8 mi), 19713 (2.2 mi), 19711 (2.5 mi), 19360 (3.8 mi) and 19702 (4.3 mi).
Is 19717 a PO Box ZIP code?
19717 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “19717 ZIP Code — Newark, Delaware (New Castle County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/19717
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/19717.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.