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Joppa, Maryland facts for kids

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Joppa, Maryland
Joppa, Maryland is located in Maryland
Joppa, Maryland
Joppa, Maryland
Location in Maryland
Joppa, Maryland is located in the United States
Joppa, Maryland
Joppa, Maryland
Location in the United States
Country United States
State Maryland
County Harford
15 ft (5 m)
 • Total 12,304
Time zone UTC-5 (Eastern (EST))
 • Summer (DST) UTC-4 (EDT)
ZIP code
Area code(s) 410 & 443

Joppa is a former colonial town and current planning region of Harford County, Maryland, United States. Joppa was founded as a British settlement on the Gunpowder River in 1707 and designated as the third county seat of Baltimore County in 1712. The original boundaries of Baltimore County were defined in 1659 and contained all of modern day Baltimore County, Baltimore City, Harford and Cecil counties and parts of Howard, Carroll, Anne Arundel and Kent counties. The settlement was named for the Biblical town of Jaffa in the ancient Holy Land of modern-day Israel. Joppa's harbor began to silt in due to clearcutting and farming upriver and coupled with multiple outbreaks of diseases such as smallpox and malaria, the county seat was moved to the growing, deep water port of Baltimore in 1768. Joppa's population would decline rapidly thereafter and businesses left for more prosperous environments in the new Baltimore Town.

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