Montgomery County Map, Marylanda

Written and Fact-checked by , Reviewed by | Last Updated On: May 11, 2026

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Map of Montgomery County, Maryland

Map of Montgomery County, Maryland

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Map of Montgomery County, Maryland

Montgomery County is a county located in the U.S. state of Maryland. It's county seat is Rockville. As per 2020 census, the population of Montgomery County is 1054827 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 507 sq mi (1,313 km2). Montgomery County was established on 1776.

Montgomery County Facts

ContinentNorth America
CountryUnited States
StateMaryland
County SeatRockville
Largest City/TownGermantown
Established1776
Total Area507 sq mi (1,313 sq km)
Land Area491 sq mi (1,272 sq km)
Water Area16 sq mi (41 sq km)
Population1,062,061 (Census 2020)
Population Density2,163 people per sq mi
Time ZoneEastern Time Zone (ET)
Major HighwaysInterstate 270, Interstate 495, U.S. Route 29, Maryland Route 200
Major RiversPotomac River, Patuxent River, Rock Creek
Neighboring CountiesFrederick County, Howard County, Prince George’s County, Fairfax County (Virginia), Loudoun County (Virginia), Washington, D.C.
Famous ForWashington D.C. suburbs, biotechnology, education, diverse communities, parks and cultural attractions
Top AttractionsGreat Falls Park nearby, Brookside Gardens, Glenstone Museum, C&O Canal, Rock Creek Regional Park
Official WebsiteOfficial Website

About Montgomery County, Maryland

Montgomery County is located in central Maryland in the United States bordering Washington, D.C., and was established in 1776. The county seat is Rockville, while Germantown is the largest community by population. The county is known for its highly educated population, biotechnology industry, diverse suburban communities, major parks, and strong economic connection to the nation’s capital.

Cities and Communities in Montgomery County, Maryland

City/CommunityPopulation (Census 2020)Latitude & Longitude
Rockville (county seat)67,11739.0839°N, 77.1528°W
Germantown91,24939.1732°N, 77.2717°W
Silver Spring81,01538.9907°N, 77.0261°W
Bethesda68,05638.9847°N, 77.0947°W
Gaithersburg69,65739.1434°N, 77.2014°W
Wheaton54,83939.0398°N, 77.0553°W
Takoma Park17,62938.9779°N, 77.0075°W
Olney35,82039.1532°N, 77.0669°W
Chevy Chase10,60738.9648°N, 77.0678°W
Potomac46,58139.0182°N, 77.2086°W

Golf Courses in Montgomery County, Maryland

Golf CourseLocationLatitude & Longitude
Falls Road Golf CoursePotomac39.0640°N, 77.1772°W
Needwood Golf CourseDerwood39.1185°N, 77.1544°W
Little Bennett Golf CourseClarksburg39.2490°N, 77.2861°W

Roads and Highways in Montgomery County

Major highways connect the county with Washington, D.C., northern Virginia, and surrounding Maryland communities.

  • Interstate 270 - major commuter interstate linking Montgomery County with Frederick and Washington metropolitan areas
  • Interstate 495 - Capital Beltway surrounding Washington, D.C.
  • U.S. Route 29 - important north-south commuter route through Silver Spring and Columbia corridors
  • Maryland Route 200 (Intercounty Connector) - toll highway connecting Montgomery and Prince George’s counties
  • Maryland Route 355 - historic roadway serving Rockville, Gaithersburg, and Germantown

Neighboring Counties of Montgomery County

  • Frederick County (northwest)
  • Howard County (northeast)
  • Prince George’s County (east)
  • Fairfax County, Virginia (southwest)
  • Loudoun County, Virginia (west)
  • Washington, D.C. (south)

Top Attractions in Montgomery County, Maryland

The county offers parks, museums, shopping districts, and major cultural attractions near Washington, D.C.

  • Great Falls Park nearby - dramatic waterfalls and hiking trails along the Potomac River
  • Brookside Gardens - botanical gardens with walking trails and seasonal flower displays
  • Glenstone Museum - modern art museum with landscaped outdoor exhibits
  • C&O Canal National Historical Park - biking, hiking, boating, and historic canal scenery
  • Rock Creek Regional Park - lakes, trails, picnic areas, and nature recreation
  • Downtown Bethesda - restaurants, arts venues, and shopping districts
  • Strathmore Music Center - performing arts venue hosting concerts and cultural events
  • Cabin John Regional Park - playgrounds, miniature train rides, and outdoor recreation
  • National Capital Trolley Museum - exhibits on historic streetcars and transportation history
  • Seneca Creek State Park - boating, hiking, and nature activities

Distance from Montgomery County to Nearby Cities

The following distances are measured by road (driving).

  • Rockville to Washington, D.C. - 15 mi (24 km)
  • Rockville to Baltimore (Baltimore City), Maryland - 41 mi (66 km)
  • Rockville to Frederick (Frederick County), Maryland - 31 mi (50 km)
  • Rockville to Annapolis (Anne Arundel County), Maryland - 47 mi (76 km)
  • Rockville to Richmond (Richmond City), Virginia - 109 mi (175 km)
  • Rockville to Philadelphia (Philadelphia County), Pennsylvania - 144 mi (232 km)
  • Rockville to Norfolk (Norfolk City), Virginia - 214 mi (344 km)
  • Rockville to Pittsburgh (Allegheny County), Pennsylvania - 226 mi (364 km)
  • Rockville to New York City (New York County), New York - 229 mi (369 km)
  • Rockville to Charlotte (Mecklenburg County), North Carolina - 398 mi (641 km)
  • Rockville to Boston (Suffolk County), Massachusetts - 441 mi (710 km)
  • Rockville to Cleveland (Cuyahoga County), Ohio - 373 mi (600 km)

FAQs about Montgomery County

Where is Montgomery County located?

Montgomery County is located in central Maryland bordering Washington, D.C.

What is the population of Montgomery County?

Montgomery County has a population of 1,062,061 according to the Census 2020.

What is Montgomery County known for?

The county is known for biotechnology, education, diverse suburban communities, and proximity to Washington, D.C.

What are the major highways in Montgomery County?

Major highways include Interstate 270, Interstate 495, U.S. Route 29, and Maryland Route 200.

Are there golf courses in Montgomery County?

Yes, Montgomery County has golf facilities including Falls Road Golf Course and Needwood Golf Course.

References

  1. QuickFacts - U.S. Census Bureau
  2. United States Census Bureau
  3. United States Geological Survey (USGS)
  4. National Geodetic Survey
  5. Official Website