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| City | Chatham |
| State | Pennsylvania (PA) |
| County | Chester |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.853442 |
| Longitude | -75.821609 |
| Population | 480 |
| Density | 18.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 19390, 19318 |
| Area Code | 215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878 |
| County Seat | West Chester |
Chatham is a locality in Chester County, Pennsylvania, United States. It is a small community with a population of 480. The population density is 18.0 people per km². Chatham is located at 39.8534°N, 75.8216°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 19318.
Chatham rests in a cradle of rolling Chester County farmland, where the gentle slopes of the Piedmont begin their westward ascent. It lies 12.3 miles north-north-west of Newark, DE (from Newark, DE: bearing 342°T), and is situated 8.0 miles north-west of Hockessin. The air here, especially in the late afternoon, carries the faint, sweet scent of ripening corn and the richer, earthier perfume of damp soil after a summer shower. Fields of emerald green, punctuated by the deeper hues of mature woodlands, stretch towards a sky that often blazes with the molten gold of sunset, casting long, languid shadows across the landscape. Barns, weathered to a soft, silvery grey, stand as stoic sentinels against the horizon, their red roofs a vibrant counterpoint to the verdant expanse. This is a place where the land itself seems to breathe, a quiet testament to generations of cultivation. The story of Chatham is etched not in grand monuments, but in the enduring agricultural spirit that has shaped its identity for centuries. Early settlers, drawn by the fertile soil and the proximity of the Brandywine Creek, established a community deeply rooted in the land’s bounty. While the precise origins of its name are a matter of local lore, the enduring legacy is one of hard work and a quiet prosperity derived from farming and, in earlier times, the milling industry that harnessed the creek’s power. Today, the legacy continues, with Chatham maintaining a character that is both distinctly rural and comfortably connected, a place where the pace of life still allows for the contemplation of the changing seasons and the enduring rhythm of the agricultural year.
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This page provides an embedded street and satellite map of Chatham, Pennsylvania — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.853442, -75.821609. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Chatham and Chester County.
Detailed location data for Chatham includes the ZIP code (19390), telephone area code (215, 223, 267, 272, 412, 445, 484, 570, 582, 610, 717, 724, 814, 835, 878), county seat of Chester County (West Chester), and school district assignment. These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Chatham is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |