The Montgomery County Map provides a detailed view of one of Maryland’s most populous counties, highlighting major cities, towns, highways, rivers, and important landmarks. Key communities such as Rockville, Gaithersburg, Germantown, Bethesda, Silver Spring, and Potomac are clearly marked, making the map useful for reference, travel, and educational purposes.
This map also displays county boundaries, interstate highways, state routes, and natural features including the Potomac River and Rock Creek Regional Park. Neighboring counties and nearby jurisdictions are identified, helping users understand regional connectivity. It serves as a valuable resource for planning, research, navigation, and geographic analysis.
| Fact | Details |
|---|---|
| Official Name | Montgomery County |
| State | Maryland |
| Country | United States |
| Founded | September 6, 1776 |
| Incorporated | Not incorporated (County Government) |
| Population | 1,062,061 (2020 Census) |
| County | Rockville |
| Area | 506.9 sq mi (1,312.9 km²) |
| Time Zone | Eastern Time (EST/EDT) |
| ZIP Codes | 20812–20918, 21771, 21797 and surrounding ZIP codes |
| Area Code | 301, 240, 227 |
| Known For | Biotechnology industry, federal agencies, diverse communities, excellent schools, proximity to Washington, D.C. |
| Major Airport | Montgomery County Airpark (GAI); nearby Ronald Reagan Washington National Airport |
| Climate | Humid Subtropical Climate (hot summers, cool winters) |
| Nickname | "MoCo" |
| Major Highways | I-270, I-495 (Capital Beltway), I-95 (near county border), US-29, MD-200 (ICC), MD-355 |
| Nearby Border | Frederick County, Howard County, Prince George’s County, Carroll County, Washington, D.C., and Virginia (across the Potomac River) |
| Major Attractions | Rock Creek Regional Park, Great Falls Park, C&O Canal National Historical Park, Brookside Gardens, Glenstone Museum, Black Hill Regional Park, Strathmore Arts Center |