Glenn Dale, Maryland

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Glenn Dale, Maryland
Glenn Dale Fire House at 11900 Glenn Dale Boulevard.
Glenn Dale Fire House at 11900 Glenn Dale Boulevard.
Location of Glenn Dale, Maryland
Location of Glenn Dale, Maryland
Coordinates: 38°58′58″N 76°48′24″W / 38.98278°N 76.80667°W / 38.98278; -76.80667Coordinates: 38°58′58″N 76°48′24″W / 38.98278°N 76.80667°W / 38.98278; -76.80667
Country  United States of America
State  Maryland
County Prince George's
 • Total 7.2 sq mi (18.7 km2)
 • Land 7.1 sq mi (18.4 km2)
 • Water 0.1 sq mi (0.3 km2)
Elevation 121 ft (37 m)
Population (2010)
 • Total 13,466
 • Density 1,900/sq mi (720/km2)
Time zone Eastern (EST) (UTC-5)
 • Summer (DST) EDT (UTC-4)
ZIP code 20769, 20720 (extended area)
Area code(s) 301
FIPS code 24-33400
GNIS feature ID 0598307

Glenn Dale is an unincorporated area and census-designated place (CDP) in Prince George's County, Maryland, United States.[1] The population was 13,466 at the 2010 census.[2] Glenn Dale is home to the Glenn Dale Hospital, an abandoned sanatorium, and the USDA Plant Introduction Station.


Glenn Dale is located at 38°58′58″N 76°48′24″W / 38.98278°N 76.80667°W / 38.98278; -76.80667 (38.982902, -76.806748).[3]

According to the United States Census Bureau, the CDP has a total area of 7.2 square miles (18.7 km2), of which 7.1 square miles (18.4 km2) is land and 0.12 square miles (0.3 km2), or 1.52%, is water.[4]


The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Glenn Dale has a humid subtropical climate, abbreviated "Cfa" on climate maps.[5]


As delineated by the U.S. Census Bureau, Glenn Dale is bordered by:

  • To the north, unincorporated Prince George's County
  • To the east, the city of Bowie
  • To the south, the census-designated places of Fairwood and Mitchellville
  • To the west, the census-designated places of Lanham and Seabrook

The northern boundary of the CDP is formed by Good Luck Road and Duckettown Road. The eastern boundary is formed with the city boundary of Bowie, then by Chestnut Avenue and High Bridge Road, then again by the boundary of Bowie. The southern boundary of Glenn Dale is formed by Annapolis Road (Maryland Route 450), and the western boundary follows the stream called Folly Branch, then Lanham-Severn Road (Maryland Route 564), then Greenbelt Road (Route 193), returning to Good Luck Road.[6]


Historical population
Census Pop.

As of the census[8] of 2000, there were 12,609 people, 4,086 households, and 3,305 families residing in the CDP. The population density was 1,710.0 people per square mile (660.6/km²). There were 4,165 housing units at an average density of 564.9/sq mi (218.2/km²). The racial makeup of the CDP was 40.38% White, 48.09% African American, 0.25% Native American, 7.80% Asian, 0.03% Pacific Islander, 0.92% from other races, and 2.52% from two or more races. Hispanic or Latino of any race were 2.41% of the population.

There were 4,086 households out of which 45.7% had children under the age of 18 living with them, 62.6% were married couples living together, 13.9% had a female householder with no husband present, and 19.1% were non-families. 13.4% of all households were made up of individuals and 1.9% had someone living alone who was 65 years of age or older. The average household size was 3.08 and the average family size was 3.39.

In the CDP, the population was spread out with 29.8% under the age of 18, 7.8% from 18 to 24, 32.2% from 25 to 44, 24.7% from 45 to 64, and 5.5% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 93.2 males. For every 100 females age 18 and over, there were 89.6 males.

The median income for a household in the CDP was $80,851, and the median income for a family was $85,448. Males had a median income of $53,484 versus $40,450 for females. The per capita income for the CDP was $27,920. About 2.6% of families and 4.5% of the population were below the poverty line, including 4.3% of those under age 18 and 9.9% of those age 65 or over.

Glenn Dale Fire Association[edit]

The Glenn Dale Fire Association was formed to serve as a Volunteer Fire Department for the Glenn Dale area in 1928. Prior to that, there was no organized fire protection available for quite some distance around.

Glenn Dale Hospital[edit]

Glenn Dale Hospital was a tuberculosis sanatorium. It is a large facility, consisting of 23 buildings on 210 acres (0.85 km2), that was built in 1934 and closed in 1982 due to asbestos. Though it is now closed and will be eventually demolished, for decades it was an important public health institution near Washington, D.C. Park Police patrol the hospital grounds regularly.

The hospital was featured in an award-winning Washington Post Magazine article, "Quarantined," on Dec. 10, 2006, by Leah Y. Latimer, former staff writer and author. The article detailed Latimer's mother's hospitalization there in the 1950s and the emotional fall-out for their family from then to the present. Latimer gave a lecture on the grounds of Glenn Dale on October 4, 2008. It was the first time the public was allowed on the grounds in almost 30 years. The unadvertised event drew more than 150 people. Latimer said she plans more lectures around the area, based on her continuing research and 110+ interviews.

The hospital was listed on the National Register of Historic Places in 2011.[9]


The area is served by the Prince George's County Public Schools system.

Private schools in Glenn Dale:


  1. ^ U.S. Geological Survey Geographic Names Information System: Glenn Dale, Maryland
  2. ^ a b "Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data (DP-1): Glenn Dale CDP, Maryland". U.S. Census Bureau, American Factfinder. Archived from the original on September 11, 2013. Retrieved December 20, 2011. 
  3. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  4. ^ "Geographic Identifiers: 2010 Demographic Profile Data (DP-1): Glenn Dale CDP, Maryland". U.S. Census Bureau, American Factfinder. Archived from the original on September 11, 2013. Retrieved December 20, 2011. 
  5. ^ Climate Summary for Glenn Dale, Maryland
  6. ^ "P.L. 94-171 County Block Maps (2010 Census) - Prince George's County, Maryland". U.S. Census Bureau. Retrieved December 20, 2011. 
  7. ^ "CENSUS OF POPULATION AND HOUSING (1790-2000)". U.S. Census Bureau. Retrieved 2010-07-18. 
  8. ^ "American FactFinder". United States Census Bureau. Archived from the original on 2013-09-11. Retrieved 2008-01-31. 
  9. ^ National Park Service (2010-07-09). "National Register Information System". National Register of Historic Places. National Park Service. 
  10. ^ "Glenn Dale Elementary School - Glenn Dale, Maryland - MD - School overview". 2010-09-07. Retrieved 2012-10-13. 
  11. ^ "Thomas Johnson Middle School - Lanham, Maryland - MD - School overview". 2010-09-07. Retrieved 2012-10-13. 
  12. ^ "Holy Trinity Episcopal Day School -> Home". 2012-02-05. Retrieved 2012-10-13. 

External links[edit]