Timonium is a

census-designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

(CDP) in

Baltimore County Baltimore County ( , locally: or ) is the third-most populous county in the U.S. state of Maryland. The county is part of the Central Maryland region of the state. Baltimore County partly surrounds but does not include the independent city ...

Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It borders the states of Virginia to its south, West Virginia to its west, Pennsylvania to its north, and Delaware to its east ...

, United States. As of the 2020 census, it has a population of 10,458. Prior to 2010 the area was part of the Lutherville-Timonium CDP. The

Maryland State Fair The Maryland State Fair is an annual event held in the state of Maryland. It is hosted at the Maryland State Fairgrounds, located near York and Timonium roads in Timonium. As of 2006, the fair has been traditionally scheduled for a duration o ...

is held in Timonium each year near

Labor Day Labor Day is a Federal holidays in the United States, federal holiday in the United States celebrated on the first Monday of September to honor and recognize the Labor history of the United States, American labor movement and the works and con ...

on the grounds of the former Timonium Race Course, which is an important site along with

Pimlico Race Course Pimlico Race Course is a thoroughbred horse racetrack in Baltimore, Maryland, most famous for hosting the Preakness Stakes. Its name is derived from the 1660s when English settlers named the area where the facility currently stands in honor of O ...

in northwest

Baltimore Baltimore is the most populous city in the U.S. state of Maryland. With a population of 585,708 at the 2020 census and estimated at 568,271 in 2024, it is the 30th-most populous U.S. city. The Baltimore metropolitan area is the 20th-large ...

and Laurel Park in

Prince George's County Prince George's County (often shortened to PG County or PG) is located in the U.S. state of Maryland bordering the eastern portion of Washington, D.C. As of the 2020 U.S. census, the population was 967,201, making it the second-most populous ...

, along with other former tracks at Bowie and Rosecroft in Maryland thoroughbred horse racing traditions.

Etymology

Timonium takes its name from the Timonium Mansion, the home of Mrs. Archibald Buchanan, who, in melancholia due to the loss of eyesight and the death of a close friend, felt her life was like that of

Mark Antony Marcus Antonius (14 January 1 August 30 BC), commonly known in English as Mark Antony, was a Roman people, Roman politician and general who played a critical role in the Crisis of the Roman Republic, transformation of the Roman Republic ...

after the

Battle of Actium The Battle of Actium was a naval battle fought between Octavian's maritime fleet, led by Marcus Agrippa, and the combined fleets of both Mark Antony and Cleopatra. The battle took place on 2 September 31 BC in the Ionian Sea, near the former R ...

. The original Timonium was an incomplete palace Mark Antony built on the island of

Antirhodos Antirhodos (sometimes Antirrhodos or Anti Rhodes) was an island in the eastern harbor of Alexandria, Egypt, on which a Ptolemaic Egyptian palace was sited. The island was occupied until the reigns of Septimius Severus and Caracalla and it probab ...

in the harbor of

Alexandria Alexandria ( ; ) is the List of cities and towns in Egypt#Largest cities, second largest city in Egypt and the List of coastal settlements of the Mediterranean Sea, largest city on the Mediterranean coast. It lies at the western edge of the Nile ...

, Egypt. Antony died by suicide at the palace after receiving a false report that

Cleopatra Cleopatra VII Thea Philopator (; The name Cleopatra is pronounced , or sometimes in both British and American English, see and respectively. Her name was pronounced in the Greek dialect of Egypt (see Koine Greek phonology). She was ...

had died by suicide.

Geography

Timonium is at (39.4441, −76.6076). According to the

United States Census Bureau The United States Census Bureau, officially the Bureau of the Census, is a principal agency of the Federal statistical system, U.S. federal statistical system, responsible for producing data about the American people and American economy, econ ...

, the CDP has a total area of , all land. The town is north of

along York Road (Maryland Route 45). It is bordered on the north by Cockeysville, on the south by Lutherville, on the east by

Loch Raven Reservoir The Loch Raven Reservoir is a reservoir that provides drinking water for the City of Baltimore and most of Baltimore County, Maryland, Baltimore County, Maryland. It is fed by the Gunpowder River, Big Gunpowder Falls river, and has a capacity of ...

, and on the west by Falls Road (Maryland Route 25), with the Greenspring and Worthington Valleys beyond. Ridgely Road forms the boundary between Timonium and Lutherville, while Padonia Road separates Timonium from Cockeysville. Timonium is in the

Piedmont Piedmont ( ; ; ) is one of the 20 regions of Italy, located in the northwest Italy, Northwest of the country. It borders the Liguria region to the south, the Lombardy and Emilia-Romagna regions to the east, and the Aosta Valley region to the ...

region of the United States, and is in the transition zone between the

Humid subtropical climate A humid subtropical climate is a subtropical -temperate climate type, characterized by long and hot summers, and cool to mild winters. These climates normally lie on the southeast side of all continents (except Antarctica), generally between ...

zone to the south and the

humid continental climate A humid continental climate is a climatic region defined by Russo-German climatologist Wladimir Köppen in 1900, typified by four distinct seasons and large seasonal temperature differences, with warm to hot (and often humid) summers, and cold ...

to the north, with hot and humid summers leading into winters that are cold but not extreme by American standards. The average annual snowfall is and average annual rainfall is .

Demographics

Timonium first appeared as a

census designated place A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counte ...

in the 2010 U.S. Census after the Lutherville-Timonium CDP was split into the Timonium CDP and the Lutherville CDP.

2020 census

Transportation

Roads

Major roads in the Timonium area include: * Deereco Road/Greenspring Drive * Dulaney Valley Road (MD-146) * Pot Spring Road * Timonium Road * York Road (MD-45) *

Padonia Road The following are major and notable roads in Baltimore County, Maryland. A B C D E F G H I J K L M N O P R S T W Y See also * List of streets in Baltimore, Maryland References {{DEFAULTSORT:List Of ...

*Ridgely Road *Mays Chapel Road *Eastridge Road

Public transportation

The

Maryland Transit Administration The Maryland Transit Administration (MTA) is a state-operated mass transit administration in Maryland, and is part of the Maryland Department of Transportation (MDOT). The MTA operates a comprehensive transit system throughout the Washington� ...

's light rail line has two stops in the Timonium area: Timonium and

Fairgrounds Fairground most typically refers to a permanent space that hosts fairs. Fairground, Fairgrounds, Fair Ground or Fair Grounds may also refer to: Places Canada * Fairground, Ontario, a community United States * Fairground, St. Louis, a neighbo ...

. In addition, bus routes 8 and 9 provide regular service along the York Road corridor.

Notable people

* Spiro T. Agnew (1918–1996), former

U.S. Vice President The vice president of the United States (VPOTUS) is the second-highest ranking office in the executive branch of the U.S. federal government, after the president of the United States, and ranks first in the presidential line of succession. Th ...

and

Governor of Maryland The governor of the State of Maryland is the head of government of Maryland, and is the commander-in-chief of the state's National Guard units. The governor is the highest-ranking official in the state and has a broad range of appointive powers ...

(plus

Executive), buried in Timonium *

Mark Belanger Mark Henry Belanger (June 8, 1944 – October 6, 1998), nicknamed "the Blade", was an American professional baseball player and coach. He played 18 seasons in Major League Baseball as a shortstop from through , most notably as a member of the B ...

(1944–1998),

Baltimore Orioles The Baltimore Orioles (also known as the O's) are an American professional baseball team based in Baltimore. The Orioles compete in Major League Baseball (MLB) as a member club of the American League (AL) East Division. As one of the America ...

shortstop * Helen Bentley, politician * William C. Bilo,

United States Army The United States Army (USA) is the primary Land warfare, land service branch of the United States Department of Defense. It is designated as the Army of the United States in the United States Constitution.Article II, section 2, clause 1 of th ...

brigadier general and deputy director of the

Army National Guard The Army National Guard (ARNG) is an organized Militia (United States), militia force and a Reserve components of the United States Armed Forces, federal military reserve force of the United States Army. It is simultaneously part of two differen ...

* Grafton Marsh Bosley (1825–1901), physician, philanthropist, planner, politician, and co-founder of the Maryland State Fair. * Beth Botsford (born 1981), Olympic champion swimmer *

Robert Ehrlich Robert Leroy Ehrlich Jr. (born November 25, 1957) is an American lawyer and politician who served as the List of Governors of Maryland, 60th governor of Maryland from 2003 to 2007. A Republican Party (United States), Republican, Ehrlich represe ...

, 60th

. He was a resident of Timonium while serving in Congress as a Representative in the House of Representatives (although raised in

Arbutus ''Arbutus'' is a genus of 12 accepted speciesAct. Bot. Mex no.99 Pátzcuaro abr. 2012.''Arbutus bicolor''/ref> of flowering plants in the family Ericaceae, native to temperate regions of the Mediterranean, western Europe, the Canary Islands a ...

which he often cited). * Jim Gentile (born 1934), former Baltimore Orioles first baseman. *

Rob Hiaasen Robert Keith Hiaasen (February 9, 1959 – June 28, 2018) was an American journalist and assistant editor at ''The Capital'', a newspaper published in Annapolis, Maryland. He also taught at the University of Maryland's Philip Merrill College of ...

, journalist and editor who was killed in the

Capital Gazette shooting On June 28, 2018, a mass shooting occurred at the offices of ''The Capital'', a newspaper serving Annapolis, Maryland, United States. The gunman, Jarrod Ramos, killed five employees with a shotgun and injured two others who were trying to esca ...

. * Spencer Horwitz (born 1997), Major League Baseball first baseman for the

Toronto Blue Jays The Toronto Blue Jays are a Canadian professional baseball team based in Toronto. The Blue Jays compete in Major League Baseball (MLB) as a member club of the American League (AL) American League East, East Division. Since 1989, the team has p ...

. *

Pam Shriver Pamela Howard Shriver (born July 4, 1962) is an American former professional tennis player and current tennis broadcaster, pundit, and coach. She was ranked as high as world No. 3 in singles by the Women's Tennis Association (WTA), and List of W ...

(born 1962), tennis player, Olympic champion, ranked as high as world No. 3 in singles, and world No. 1 in doubles. *

Don Shula Donald Francis Shula ( ; January 4, 1930 – May 4, 2020) was an American professional American football, football player, coach and executive who served as a head coach in the National Football League (NFL) from 1963 to 1995. He played seven s ...

(1930–2020), former

Baltimore Colts The Baltimore Colts were a professional American football team that played in Baltimore from 1953 to 1983, when owner Robert Irsay moved the franchise to Indianapolis. The team was named for Baltimore's history of horse breeding and racing. It w ...

player and coach in the 1960s, later famous coach of the

Miami Dolphins The Miami Dolphins are a professional American football team based in the Miami metropolitan area. The Dolphins compete in the National Football League (NFL) as a member of the American Football Conference (AFC) AFC East, East division. The team ...

, undefeated champions in 1972 in the

National Football League The National Football League (NFL) is a Professional gridiron football, professional American football league in the United States. Composed of 32 teams, it is divided equally between the American Football Conference (AFC) and the National ...

, member of the

Pro Football Hall of Fame The Pro Football Hall of Fame is the hall of fame for professional football (gridiron), professional American football, located in Canton, Ohio. Opened on September 7, 1963, the Hall of Fame enshrines exceptional figures in the sport of profes ...

. *

Dick Szymanski Richard Frank Szymanski (Pronounced: Sa-MAN-skee) (October 7, 1932 – October 28, 2021) was an American professional football player, coach, and executive in the National Football League (NFL). As a player, Szymanski was a center and linebacke ...

(1932–2021), former Baltimore Colts player. *

Gus Triandos Gus Triandos (July 30, 1930 – March 28, 2013) was an American professional baseball player and scout. He played in Major League Baseball as a catcher and a first baseman, most prominently as a member of the Baltimore Orioles where he was a fou ...

(1930–2013), Baltimore Orioles catcher in the 1950s; Triandos Drive is named in honor of him. *

Johnny Unitas John Constantine Unitas (; May 7, 1933 – September 11, 2002) was an American professional American football, football quarterback who played in the National Football League (NFL) for 18 seasons, primarily with the Baltimore Colts. Nicknamed "J ...

(1933–2002), former Baltimore Colts quarterback and Pro Football Hall of Fame in the National Football League; buried at Dulaney Valley Memorial Gardens. *

Cheryl Wheeler Cheryl Wheeler (born July 10, 1951) is an American singer-songwriter of contemporary folk music. She has recorded thirteen folk albums to date and has toured extensively throughout the United States since the mid-1970s. Heralded as a “folk l ...

, folk singer.

Education

;Public schools * Pinewood Elementary School * Pot Spring Elementary School * Timonium Elementary School *

Ridgely Middle School Ridgely Middle School is a Blue Ribbon Schools Program, Blue Ribbon-award-winning middle school that serves students in sixth through eighth grades as part of the Baltimore County Public Schools. This school serves students coming from elementary ...

(in Lutherville) * Dulaney High School

References

{{authority control Census-designated places in Baltimore County, Maryland Census-designated places in Maryland