Montgomery County

Montgomery County is Maryland's most populous county, home to over 1.08 million residents, with Rockville serving as the county seat. Spanning 507 square miles adjacent to Washington, D.C., the county is part of the Washington Metropolitan area and is one of the wealthiest, most educated, and most diverse communities in the nation, with a median household income of $132,450 and 61% of adults holding a bachelor's degree or higher.

The county is an economic powerhouse, generating a GDP of over $117 billion — 25% of Maryland's entire state economy. It serves as the anchor of the nation's third-largest biopharma hub, home to more than 350 life sciences companies, 18 federal agency headquarters, and 36 federal laboratories, including the National Institutes of Health (NIH) and the Food and Drug Administration (FDA). Major corporate headquarters include Lockheed Martin, Marriott International, and GEICO.

Montgomery County's diversity is a defining characteristic, with 34% of residents born outside the United States and 43% speaking a language other than English at home — among the highest rates of any county in the nation.

For outdoor recreation, the county offers over 400 parks covering 34,000 acres — 10% of the county's total land area — ensuring every resident is within 2 miles of a park.

The system includes over 250 miles of hiking, biking, and equestrian trails, the 11-mile Capital Crescent Trail, the C&O Canal National Historical Park along the Potomac River, and nearly two dozen lakes throughout the county.