Delaware County, Pennsylvania
Delaware County: County in Pennsylvania, United States
About
Delaware County is a county located in the U.S. state of Pennsylvania. As of the 2010 census, the population was 558,979 and a population density of 1,132 people per km². After 10 years in 2020 county had an estimated population of 566,753 inhabitants. Its county seat is Media. The county was created 235 years ago in 1789.
Quick Facts about Delaware County
| Population : | 566,753 (2020) |
| Country : | United States of America |
| State : | Pennsylvania (United States) |
| Different from : | Delaware County, Delaware County, Delaware County, Delaware County, Delaware County |
| Area : | 494 km2 |
| Official name : | Delaware County |
| Water as percent of area : | 3.5% |
| Land as percent of area : | 96.5% |
| Named for : | Delaware River |
| Capital : | Media |
| Establishment : | September 09, 1789 |
| Time Zone : | America/New_York |
| Local time : | 03:51:38 (22nd February 2025) |
| Density : | 1,147 Pop. per km² as of 2020 |
| Population growth : | 1.37% (2010-2020) |
Geography
Delaware County is located at 39°55'1"N 75°23'56"W (39.9168100, -75.3989000). It has 5 neighbors: New Castle County, Gloucester County, Chester County, Montgomery County and Philadelphia County.
Delaware County map
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The largest city of Delaware County is Upland with a population of 33,972. Other cities include, Baldwin population 19,419, Yeadon population 11,489, Darby population 10,704 and Lansdowne population 10,641. See all Delaware County cities & populated places.
Delaware County Populated Places (more)
Cities, towns, neighborhoods & other populated places in Delaware County.
| City Name | Population | Title |
|---|---|---|
| Upper Darby | 82,883 | Town in Delaware County, Pennsylvania, United States |
| Upland | 33,972 | City in Delaware County, Pennsylvania, United States |
| Radnor | 31,902 | Unincorporated community in Radnor Township, Pennsylvania, United States |
| Drexel Hill | 28,043 | Census designated place |
| Upper Providence | 24,535 | Township in Delaware County, Pennsylvania |
| Marple | 23,960 | Public school in Newtown Square, Delaware County, Pennsylvania, United States |
| Baldwin | 19,419 | Borough in Allegheny County, Pennsylvania, United States |
| Aston | 16,754 | Township in Delaware County, Pennsylvania |
| Yeadon | 11,489 | Borough in Delaware County, Pennsylvania |
| Broomall | 10,789 | Census designated place in Pennsylvania |
| Darby | 10,704 | Borough in Delaware County, Pennsylvania, United States |
| Lansdowne | 10,641 | Borough in Pennsylvania, United States |
| Woodlyn | 9,485 | Census designated place |
| Moore | 9,470 | Township in Northampton County, Pennsylvania, United States of America |
| Collingdale | 8,781 | Borough of Pennsylvania |
| Brookhaven | 8,053 | Borough in Delaware County, Pennsylvania |
- Official Website
Official website of Delaware County
Delaware County has 5 neighbours.
- New Castle County county in Delaware, United States
- Gloucester County county in New Jersey, United States
- Chester County county in Pennsylvania, United States
- Montgomery County county in Pennsylvania, United States
- Philadelphia County county in Pennsylvania, United States
Demographics
The population of Delaware County increased by 1.37% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 558,979 | - | census |
| 2011 | 559,275 | 0.05% | estimation process |
| 2012 | 560,761 | 0.26% | estimation process |
| 2013 | 561,499 | 0.13% | estimation process |
| 2014 | 562,696 | 0.21% | estimation process |
| 2015 | 563,225 | 0.09% | estimation process |
| 2016 | 563,708 | 0.09% | estimation process |
| 2017 | 563,858 | 0.03% | estimation process |
| 2018 | 565,231 | 0.24% | estimation process |
| 2019 | 566,747 | 0.27% | estimation process |
| 2020 | 566,753 | 0% | estimation process |
Colonia de Delaware, Comitatul Delaware, Comte de Delaware, Comté de Delaware, Condado de Delaware, Condado han Delaware, Contae Delaware, Contea di Delaware, Delaueur, Delavehr, Delaver, Delaver srjan, Delaware, Delaware Comitatus, Delaware County PA, Delaware Kun, Delaware Kūn, Delaware konderria, Delaware megye, Delawaren piirikunta, Hrabstwo Delaware, Konteth Delaware, Okrug Delaver, Quan Delaware, Quận Delaware, dela'oyyara ka'unti, derau~ea jun, shhrstan dlawyr pnsylwanya, te la hua xian, Делавер, Делавэр, Делауеър, Округ Делавер, Դելավեր շրջան, شهرستان دلاویر، پنسیلوانیا, مقاطعة ديلاوير, ڈیلاویئر کاؤنٹی، پنسلوانیا, ডেলাওয়্যার কাউন্টি, デラウェア郡, 特拉華縣
People born in Delaware County (18)
People born in Delaware County, including record producer Joel Dorn, botanist Thomas Potts James, engraver James B. Longacre, .
List
- Wayne Madsen (American journalist) he was born in 25/04/1954
- Abraham Robinson McIlvaine (American politician) he was born in 14/08/1804
- Frederick K. Engle (United States Navy admiral) he was born in 01/01/1799
- Jean B. Cryor (American politician (1938-2009)) she was born in 13/12/1938
- John C. Kelton (Adjutant General of the U.S. Army from 1889 to 1892) he was born in 24/06/1828
- Karl Chandler (American football player) he was born in 15/02/1952
- Peirce Crosby (United States Navy admiral) he was born in 16/01/1824
- John Edwards (Pennsylvania) (American politician) he was born in 01/01/1786
- Deborah Griscom Passmore (botanical illustrator for the U.S. Department of Agriculture) she was born in 01/01/1840
- Andrew Ervin (American author, critic and editor) he was born in 26/03/1971
- Christopher B. Quinn he was born in 11/10/1967
- John Price Crozer (American philanthropist and manufacturer) he was born in 13/01/1793
- William Garrigues Powel he was born in 17/11/1852
- Alan Calvert (American weightlifter, businessman, magazine publisher, and the author of several books) he was born in 01/01/1875
- Ann Fowler Rhoads (American botanist) she was born in 01/01/1938
Other places with the same name (6)
- Delaware County , Ohio county in Ohio, United States with a population of 213,554 people.
- Delaware County , Indiana county in Indiana, United States with a population of 113,454 people.
- Delaware County , New York county in New York, United States with a population of 43,938 people.
- Delaware County , Oklahoma county in Oklahoma, United States with a population of 43,136 people.
- Delaware County , Iowa county in Iowa, United States with a population of 16,937 people.
Pennsylvania Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Philadelphia County | 1,578,487 | County in Pennsylvania, United States |
| Philadelphia | 1,578,487 | The sixth most populous city in the United States and the center of the Philadelphia metropolitan area. |
| Allegheny County | 1,211,358 | County in the southwestern part of the U. |
| Montgomery County | 833,869 | County in Pennsylvania, United States |
| Bucks County | 627,987 | County in Pennsylvania, United States |
| Lancaster County | 546,192 | County in Pennsylvania, United States |
| Chester County | 526,759 | County in Pennsylvania, United States |
| York County | 450,448 | County in Maine, United States |
| Berks County | 421,017 | County in Pennsylvania, United States |
| Lehigh County | 370,802 | County in Pennsylvania, United States of America |
| Westmoreland County | 347,087 | County in Pennsylvania, United States |
| Luzerne County | 316,982 | County in Pennsylvania, United States |
| Northampton County | 305,892 | County in Pennsylvania, United States |
| Pittsburgh | 299,226 | The second most populous city in Pennsylvania and the center of the Pittsburgh metropolitan area. |
| Dauphin County | 279,874 | County in Pennsylvania, United States |
| Erie County | 268,426 | County in Pennsylvania, United States |
