Layhill is an unincorporated community and census-designated place in Montgomery County, Maryland, United States.

[5] The Northwest Branch ran through the tract, and the Norwood Turnpike passed its entire length.

The fieldstone for the foundation was gathered by ox cart from neighboring land, while the timber was donated by George Bonifant Sr. from his nearby farm.

Lay Hill Methodist Episcopal Church, South was formally incorporated on October 26, 1886, and its first Board of Trustees consisted of George Bonifant, Andrew Johnson Cashell, John George Yewel Cashell, James William Godfrey, and Bennett Rufus Wilkerson.

[7] Just to the north of the church was Lay Hill Academy, a one-room public schoolhouse that opened after an 1839 state law established guidance for education for the first time in Maryland.

[7] On May 23, 1932, after weeks of investigation, Montgomery County police raided a house in Layhill and found a 20-horsepower steam boiler still and two barrels of mash.

[8] The police officers arrested Alfred Crum of Kensington, charging him with possession of paraphernalia for manufacturing of intoxicants.

[14] The land turned out to be owned by Helen McGarvey Saul instead, and Evans was arrested and charged with perjury.

[14] Argyle Country Club was originally located on Georgia Avenue in Petworth in the District of Columbia beginning in 1921.

[25] Plaza del Mercado, a shopping center built by Ziegler Corporation,[26] opened in October 1969.

[27] Original stores included Giant Food, Peoples Drug, McDonald's, and Hallmark Card Shop.

Forestry experts said the oak would not survive being moved across the street, and the State Highway Administration estimated that routing Layhill Road around the tree would cost $150,000.

[30][31][32] Layhill is in eastern Montgomery County, bordered by Cloverly to the northeast, Aspen Hill to the northwest, Glenmont to the south, and Colesville to the southeast.

[36] The Intercounty Connector (Maryland Route 200) crosses the northern part of Layhill,[37] with access from Exit 10 (MD 182).

[38] This underground station, which opened on July 25, 1998,[39] is at the east end of the Red Line, and it has two large parking garages.

From Glenmont, the Red Line heads south to downtown Silver Spring and to the District of Columbia before reentering Montgomery County and ending at Shady Grove.

[43] Residents' ancestry includes Subsaharan African (10%), Irish (8%), English (7%), German (6%), American (4%), West Indian (3%), Polish (2%), Arab (2%), Swiss (2%), and Italian (1%).

[44] The Matthew Henson Trail starts at Layhill and continues for 4.2 miles (6.8 km) to Rock Creek in Rockville.