Living Person
Chester_County,_Pennsylvania
is
As of April 19, 2026
6 years old
approximately!
Date of Birth
(2020 ) is
Rat
Year
* Calculated from Wikipedia data.
Accuracy is not guaranteed.
approx.Cosmic Age Calculator
Moon
approx. 85.4 years old
Mercury
approx. 26.5 years old
Venus
approx. 10.4 years old
Mars
approx. 3.4 years old
Jupiter
approx. 0.5 years old
Saturn
approx. 0.2 years old
* Calculated based on each planet's orbital period.
Chester County, Pennsylvania | |
|---|---|
 | |
 Flag  Seal | |
 Location within the U.S. state of Pennsylvania | |
 Interactive map of Chester County, Pennsylvania | |
| Coordinates: 39°58′N 75°45′W / 39.97°N 75.75°W | |
| Country |  United States |
| State |  Pennsylvania |
| Founded | August 24, 1682 |
| Named after | Chester, England |
| Seat | West Chester |
| Largest borough | Tredyffrin Township |
| Government | |
| • County commission | |
| Area | |
• Total | 759 sq mi (1,970 km) |
| • Land | 751 sq mi (1,950 km) |
| • Water | 8.7 sq mi (23 km) 1.1% |
| Population (2020) | |
• Total | 534,413 |
• Estimate (2025) | 557,116  |
| • Density | 747/sq mi (288/km) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional districts | 5th, 6th |
| Website | chesco.org |
| Designated | October 26, 1982 |
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