Delaware County | |
|---|---|
County | |
 Delaware County Courthouse in Media, Pennsylvania | |
 Flag  Seal | |
 Location within the U.S. state of Pennsylvania | |
 Pennsylvania's location within the U.S. | |
| Coordinates: 39°55′N 75°24′W / 39.92°N 75.40°W | |
| Country |  United States |
| State |  Pennsylvania |
| Founded | September 26, 1789 |
| Named for | Delaware River |
| Seat | Media |
| Largest Township | Upper Darby |
| Other cities | Chester |
| Area | |
| • Total | 191 sq mi (490 km2) |
| • Land | 184 sq mi (480 km2) |
| • Water | 6.8 sq mi (18 km2) 3.5% |
| Population (2020) | |
| • Total | 576,830 |
| • Estimate (2023) | 576,720  |
| • Density | 3,000/sq mi (1,200/km2) |
| Congressional district | 5th |
| Website | delcopa |
| Designated | October 3, 1982[1] |
Delaware County, colloquially referred to as Delco,[2] is a county in the Commonwealth of Pennsylvania. With a population of 576,830 as of the 2020 census,[3] it is the fifth-most populous county in Pennsylvania and the third-smallest in area. The county was created on September 26, 1789, from part of Chester County and named for the Delaware River. The county is part of the Southeast Pennsylvania region of the state.[a]
Delaware County borders Philadelphia, the nation's sixth-most populous city, to its northeast. It also is adjacent to the city-county of Philadelphia County and is included in the Philadelphia–Camden–Wilmington, PA–NJ–DE–MD metropolitan statistical area. Its county seat is Media.[4]
- ^ "PHMC Historical Markers Search". Commonwealth of Pennsylvania. Pennsylvania Historical and Museum Commission. Archived from the original (Searchable database) on March 21, 2016. Retrieved February 11, 2015.
- ^ "Delco Sheriff: Don't fall for jury duty scam". Delco Times. Retrieved July 1, 2014.; McCrystal, Laura (June 27, 2014). "Voting Wards To Be Changed in Delco's Radnor Township". Philly.com. Retrieved July 1, 2014.; McCrystal, Laura (June 30, 2014). "Roadwork in Delco to affect I-95 and I-476 this week". Philly.com. Retrieved July 1, 2014.; DaGrassa, Peg (June 27, 2014). "Here's the Scoop on Ross, Fresh Stop, KFC and Other Delco Businesses". Delco News Network. Retrieved July 1, 2014.[permanent dead link]; Kurtz, Paul (June 27, 2014). "Delco Homeless Families Get A Day of Escapist Fun". CBS Philly. Retrieved July 1, 2014.;"Delco's bars, taverns are really heating up". Delco Times. June 16, 2014. Retrieved July 1, 2014.
- ^ "Census – Geography Profile: Delaware County, Pennsylvania". Retrieved June 26, 2022.
- ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
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