Back مقاطعة مونتغومري (ماريلاند) Arabic Montqomeri qraflığı (Merilend) AZ Montgomery County, Maryland BAR Монтгомъри (окръг, Мериленд) Bulgarian মন্টগোমেরী কাউন্টি, মেরিল্যান্ড BPY Comtat de Montgomery (Maryland) Catalan Montgomery Gông (Maryland) CDO Монтгомери (гуо, Мэриленд) CE Montgomery County (kondado sa Tinipong Bansa, Maryland) CEB Montgomery County, Maryland CY

Montgomery County, Maryland

"MoCo" redirects here. For other uses, see Moco.

Montgomery County, Maryland
County
County of Montgomery[1]
Clockwise: Downtown Bethesda, Spring Street in Silver Spring, Billy Goat B Trail, rural Darnestown, Rockville town center, Great Falls on the Potomac River.
Flag of Montgomery County, Maryland
Flag
Official seal of Montgomery County, Maryland
Seal
Coat of arms of Montgomery County, Maryland
Coat of arms
Official logo of Montgomery County, Maryland
Emblem
Nickname: 
"MoCo"
Motto: 
French: Gardez Bien (English: Watch Well)
Location in the U.S. state of Maryland
Location in the U.S. state of Maryland
Coordinates: 39°08′11″N 77°12′15″W / 39.13638°N 77.20424°W / 39.13638; -77.20424[2]
CountryUnited States
StateMaryland
SeatRockville
Largest communityGermantown
FoundedSeptember 6, 1776[3][4]
Named forRichard Montgomery
Government
 • ExecutiveMarc Elrich (D)
Area
 • Total506.91 sq mi (1,312.89 km2)
 • Land493.11 sq mi (1,277.15 km2)
 • Water13.80 sq mi (35.74 km2)
Population
 (2020)
 • Total1,062,061
 • Density2,153.80/sq mi (831.59/km2)
DemonymsMontgomery Countyan, MoCoite
Gross Domestic Product
[5]
 • TotalUS$93.746 billion (2022)
Time zoneUTC−05:00 (Eastern [EST])
 • Summer (DST)UTC−04:00 (EDT)
ZIP Codes
20812–20918
Area codes
Congressional districts4th, 6th, 8th
Websitewww.montgomerycountymd.gov

Montgomery County is the most populous county in the U.S. state of Maryland. As of the 2020 census, the county's population was 1,062,061, increasing by 9.3% from 2010.[6] The county seat is Rockville and Germantown is the most populous place in the county.[7] The county is adjoined to Washington, D.C., the nation's capital, and is part of the Washington metropolitan area and the Washington–Baltimore combined statistical area. Most of the county's residents live in Silver Spring, Bethesda, Germantown, and the incorporated cities of Rockville and Gaithersburg.[N 1]

The average household income in Montgomery County is the 20th-highest among U.S. counties as of 2020.[8][9][10]

The county has the highest percentage (29.2%) of residents over 25 years of age who hold post-graduate degrees.[11] Like other counties in the Washington metropolitan area, the county has several U.S. government offices, scientific research and learning centers, and business campuses.[12][13]

  1. ^ "Chapter 66. 'Village of Friendship Heights.'". Montgomery County Charter. Archived from the original on August 4, 2018. Retrieved August 3, 2018. County of Montgomery
  2. ^ "Montgomery County". GeoNames.org. Archived from the original on June 9, 2020. Retrieved December 5, 2019.
  3. ^ "Montgomery County Centennial: An Old-Fashioned Maryland Reunion". The Baltimore Sun. September 7, 1876. p. 1. ProQuest 534282014.
  4. ^ Maryland. Convention (1836). Proceedings of the Conventions of the providence of Maryland, held at the city of Annapolis, in 1774, 1775, & 1776. Baltimore, Md.; Annapolis, Md.: Baltimore, James Lucas & E. K. Deaver; Annapolis, Jonas Green. p. 242. hdl:loc.gdc/scd0001.00117695347. LCCN 10012042. OCLC 3425542. OL 7018977M. Resolved, That after the first day of October next, such part of the said county of Frederick as is contained within the bounds and limits following, to wit : beginning at the east side of the mouth of Rock creek on Potowmac river, and running with the said river to the mouth of Monocacy, then with a straight line to Par's spring, from thence with the lines of the county to the beginning, shall be and is hereby erected into a new county by the name of Montgomery county.
  5. ^ "Gross Domestic Product by County and Metropolitan Area, 2022" (PDF). www.bea.gov. Bureau of Economic Analysis. Archived (PDF) from the original on December 13, 2023. Retrieved December 7, 2023.
  6. ^ "2020 Population and Housing State Data". United States Census Bureau. Archived from the original on August 24, 2021. Retrieved August 12, 2021.
  7. ^ American FactFinder, United States Census Bureau. "Maryland by Place – GCT-PH1-R. Population, Housing Units, Area, and Density (geographies ranked by total population): 2000". Factfinder.census.gov. Archived from the original on February 26, 2009. Retrieved July 12, 2009.
  8. ^ Morello, Carol; Mellnick, Ted (September 19, 2012). "Seven of nation's 10 most affluent counties are in Washington region". The Washington Post. Archived from the original on July 28, 2013. Retrieved April 9, 2013.
  9. ^ "Complete List: America's Richest Counties" Archived April 8, 2018, at the Wayback Machine, Forbes, February 2, 2008
  10. ^ "Montgomery County QuickFacts" Archived June 6, 2011, at the Wayback Machine, September 9, 2009
  11. ^ Bureau, U. S. Census. "U.S. Census website". United States Census Bureau. Archived from the original on December 27, 1996. Retrieved April 12, 2017.
  12. ^ [1] Archived February 26, 2015, at the Wayback Machine, February 26, 2015
  13. ^ [2] Archived February 26, 2015, at the Wayback Machine, Montgomery County Chamber of Commerce, February 26, 2015


Cite error: There are <ref group=N> tags on this page, but the references will not show without a {{reflist|group=N}} template (see the help page).