Harford County supports Aberdeen Proving Ground (APG) as its largest employer and a major economic driver for the region. To contact APG, please call 410-278-5201.

In the United States, a county or county equivalent is an administrative subdivision of a state or territory, typically with defined geographic boundaries and some level of governmental authority. [3] .

Aberdeen is located in Harford County, the “Gateway to the Chesapeake Bay.” Here, you’ll find beautiful neighborhoods, family oriented communities, a wealth of natural resources for outdoor recreation, a …

Find key information & resources for Aberdeen Proving Ground in Maryland including contacts, important messages, directions, cost of living, and more.

Feb 20, 2024 · Aberdeen Proving Ground (APG) was established on the shores of Chesapeake Bay in Maryland’s Harford County in 1917 to provide the nation site where Army materiel could be tested.

Aberdeen Proving Ground (APG) was established in 1917 on the shores of Chesapeake Bay in Harford County, Maryland, to provide the nation a site where Army materiel could be tested.

This free county lookup tool allows you to figure out what US county you're in by doing a search of your address.

County Lookup to lookup any county based on the address. If you don't know the exact address, you can lookup the county by entering the state and city. What County Am I In? By default, the county …

Dec 5, 2025 · Use this tool to find your current county. For best results, allow permission to use your location when prompted by your browser. Your current county name will appear in the panel above …

Ever wondered, “What county am I in?” Whether you’re traveling, moving, or just curious about your location, knowing your county can be incredibly useful. From taxes and voting districts to school …