Port Penn is a community in New Castle County, Delaware, home to about 592 people across 0.4 square miles. Its ZIP code is 19731.
Mostly Port Penn
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| Nearest major airport | Philadelphia International Airport (PHL)31 miles away |
|---|---|
| Closer regional airport | Wilmington Airport (ILG)12 miles away |
| Nearest city of 250,000+ | Philadelphia, PA42 miles away |
Straight-line distances from the center of Port Penn; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
It’s the 60th largest of 79 towns in Delaware by population.
New Castle County grew from 109,697 residents in 1900 to 570,719 in 2020.
New Castle County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 26°F. About 45.5 inches of rain and melted snow fall in a typical year, with about 20 inches of snow.
Source: NOAA 1991–2020 climate normals, Wilmington New Castle Co Ap, DE weather station (11 miles away).
306,745 jobs at 17,855 businesses in New Castle County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Libraries
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.