Located about 30 miles outside of Baltimore, MD is a town called Joppa. The town of Joppa is within Harford County, Maryland and sits along Rt. 40; running parallel to I-95 and can take you right into the heart of Baltimore. Harford County’s population of nearly 245,000 is included in the Baltimore-Columbia-Towson, MD Metropolitan Statistical Area and has over 90,000 households residing in the county. The largest employer is Aberdeen Proving Ground (a testing area for larger US Army weapons) with 16,800 employees and is the oldest active proving ground in the US.