Erwinna is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Tinicum Township

Tinicum Township, Bucks County, Pennsylvania

Tinicum Township is a township in Bucks County, Pennsylvania, United States. The population was 3,995 at the 2010 census.The Uhlerstown-Frenchtown Bridge, a free Delaware River Joint Toll Bridge Commission bridge over the Delaware River, connects Uhlerstown to Frenchtown in Hunterdon County, New...

, Bucks County

Bucks County, Pennsylvania

- Industry and commerce :The boroughs of Bristol and Morrisville were prominent industrial centers along the Northeast Corridor during World War II. Suburban development accelerated in Lower Bucks in the 1950s with the opening of Levittown, Pennsylvania, the second such "Levittown" designed by...

, Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

, United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, with a zip code

ZIP Code

ZIP codes are a system of postal codes used by the United States Postal Service since 1963. The term ZIP, an acronym for Zone Improvement Plan, is properly written in capital letters and was chosen to suggest that the mail travels more efficiently, and therefore more quickly, when senders use the...

 of 18920. It is located approximately 40 miles north of Center City

Center City, Philadelphia

Center City, or Downtown Philadelphia includes the central business district and central neighborhoods of the City of Philadelphia, Pennsylvania, United States. As of 2005, its population of over 88,000 made it the third most populous downtown in the United States, after New York City's and Chicago's...

 Philadelphia and has an area code of 610 It is named after Colonel Arthur Erwin (also "Irwin"), who was a leader in the Bucks County Militia. A concise biography of him has been created by the DAR Chapter bearing his name. Colonel Erwin is said to have supplied many of boats that were used by George Washington and the Continental Army to cross the Delaware on the night of December 25, 1776, en route to the Battle of Trenton the following morning.