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Aberdeen, Maryland
City of Aberdeen
Bel Air Avenue in downtown Aberdeen, 2016.
Bel Air Avenue in downtown Aberdeen, 2016.
"All America City"
"The Future of Harford!"
Location in Harford County, Maryland
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Country  United States
State  Maryland
County Flag of Hartford County, Maryland.png Harford
Incorporated 1892
 • Total 6.60 sq mi (17.10 km2)
 • Land 6.59 sq mi (17.08 km2)
 • Water 0.01 sq mi (0.02 km2)
95 ft (29 m)
 • Total 16,254
 • Density 2,464.59/sq mi (951.62/km2)
Time zone UTC−5 (Eastern)
 • Summer (DST) UTC−4 (Eastern)
ZIP code
Area code(s) 410
FIPS code 24-00125
GNIS feature ID 0582854
Website Official Website:

Aberdeen is a city located in Harford County, Maryland, United States, 26 miles (42 km) northeast of Baltimore. The population was 14,959 at the 2010 United States Census. Aberdeen is the largest municipality in Harford County.

Aberdeen is part of the Baltimore-Towson Metropolitan Statistical Area (MSA), which is the 20th-largest United States metropolitan area. The nearest city to Aberdeen is Havre de Grace, 4.8 miles (7.7 km) to the northeast.


Aberdeen was named after Aberdeen, Scotland, by immigrating Scots.

The James B. Baker House, Chestnut Ridge, Griffith House, Poplar Hill, Sophia's Dairy, and Swansbury are listed on the National Register of Historic Places.

The Village of Aberdeen

The Village of Aberdeen was a development by Edmund Law Rogers around 1800. The name originated from its mother city, Aberdeen, Scotland, as a result of the close relationship the Rogers family of Baltimore had with their cousin, the Earl of Aberdeen, who became Prime Minister of Great Britain in 1852. The area now known as Aberdeen is a cluster of three communities

  • Hall's Cross Roads, located at the intersection of Old Philadelphia Road (MD-7, in some places known as Old Post Road, then known as Philadelphia Post Road) and Bush River Neck Road (then the main road from Swan Creek 39°31′28.41″N 76°8′17.75″W / 39.5245583°N 76.1382639°W / 39.5245583; -76.1382639)
  • Mechanicsville, located at 39°36′7.3836″N 76°19′10.8516″W / 39.602051000°N 76.319681000°W / 39.602051000; -76.319681000
  • The Village of Aberdeen

The Town of Aberdeen

In 1892, Aberdeen was incorporated as a Town, under Chapter 136 of the Acts of 1892.

The Town Board of Commissioners

When incorporated as a Town, Aberdeen government was led by a board of commissioners.

  • 1892–1905, a Board President was elected annually by the commissioners
  • 1906–1954, this election was changed to be biennial
  • 1955–1992, the election of a Board President was changed back to be annual

In 1992, the Town of Aberdeen revised the Charter and became the City of Aberdeen with an Elected Mayor. The first Mayor of the City of Aberdeen was Ruth Elliot. The second Mayor was Doug Wilson was elected Mayor in Fred Simmons was elected Mayor in 2005. Michael Bennett elected in 2007-2015 In 2015, Patrick McGrady was elected as the Mayor of Aberdeen and is currently serving a 4-year term.

Presidents – Aberdeen Board of Commissioners

  • 1892–1894 Charles W. Baker
  • 1894–1896 George Walker
  • 1896–1899 John Finney Wells
  • 1899–1900 George H. Irvins
  • 1900–1905 John Finney Wells
  • 1905–1906 James A. Wiles
  • 1906–1908 John Finney Wells
  • 1908–1914 C. H. Johnson
  • 1914–1916 None listed
  • 1916–1950 Frank E. Baker
  • 1950–1952 J. Wilmer Cronin
  • 1952–1954 Charles J. Kelly
  • 1954–1955 Clark D. Connellee
  • 1955–1956 J. Wilmer Cronin
  • 1956–1958 R. Lee Mitchell
  • 1958–1959 Robert P. Atkins
  • 1959–1964 George B. Adams, Jr.
  • 1964–1965 Robert H. Krieger
  • 1965–1967 William Cooper, Jr.
  • 1967–1968 Warren Parrish
  • 1968–1969 John A. Feroll
  • 1969–1970 William Cooper, Jr.
  • 1970–1971 Warren Parrish
  • 1971–1972 Alphonse Demarco
  • 1972–1974 George B. Adams, Jr.
  • 1974–1975 William B. Hause
  • 1975–1977 Kent F. Stewart
  • 1977–1978 William B. Hause
  • 1978–1979 Jerry A. Nolan
  • 1979–1980 William Cooper, Jr.
  • 1980–1981 Raymond H. Warfield
  • 1981–1986 Ronald Kupferman
  • 1986–1987 Raymond H. Warfield
  • 1987–1992 George J. Englesson

The City of Aberdeen

In 1992, the 100th anniversary year of Aberdeen becoming a Town, Aberdeen incorporated as the City it is today.


According to the United States Census Bureau, the city has a total area of 6.81 square miles (17.64 km2), of which, 6.80 square miles (17.61 km2) is land and 0.01 square miles (0.03 km2) is water.


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


Historical population
Census Pop.
1880 101
1890 448 343.6%
1900 600 33.9%
1910 616 2.7%
1920 1,067 73.2%
1930 1,240 16.2%
1940 1,525 23.0%
1950 2,944 93.0%
1960 9,679 228.8%
1970 12,375 27.9%
1980 11,533 −6.8%
1990 13,087 13.5%
2000 13,842 5.8%
2010 14,959 8.1%
2020 16,254 8.7%
U.S. Decennial Census

2010 census

As of the census of 2010, there were 14,959 people, 5,801 households, and 3,897 families residing in the city. The population density was 2,199.9 inhabitants per square mile (849.4/km2). There were 6,191 housing units at an average density of 910.4 per square mile (351.5/km2). The racial makeup of the city was 58.9% White, 30.5% African American, 0.4% Native American, 2.9% Asian, 0.3% Pacific Islander, 1.6% from other races, and 5.3% from two or more races. Hispanic or Latino of any race were 5.4% of the population.

There were 5,801 households, of which 34.3% had children under the age of 18 living with them, 43.5% were married couples living together, 18.3% had a female householder with no husband present, 5.4% had a male householder with no wife present, and 32.8% were non-families. 26.7% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older. The average household size was 2.57 and the average family size was 3.09.

The median age in the city was 38 years. 24.7% of residents were under the age of 18; 9.2% were between the ages of 18 and 24; 24.9% were from 25 to 44; 28.6% were from 45 to 64; and 12.6% were 65 years of age or older. The gender makeup of the city was 47.8% male and 52.2% female.

Aberdeen Proving Ground

Aberdeen is home to the U.S. Army's Aberdeen Proving Ground (APG). The proving ground was established by Act of Congress and came into operation in January 1918. APG is headquarters of the United States Army Test and Evaluation Command (ATEC). The proving ground occupies more than 72,500 acres (293 km2) in Harford County. More than 7,500 civilians and 5,000 military personnel work at APG.

Aberdeen IronBirds

Cal Ripken Jr. and brother Billy are owners of the Aberdeen IronBirds minor league baseball team, which plays at Ripken Stadium.


2019-05-21 15 45 45 View north along Interstate 95 (John F. Kennedy Memorial Highway) just north of Exit 85 in Aberdeen, Harford County, Maryland
I-95 northbound in Aberdeen

Roads and highways

Several major highways serve Aberdeen, with the most prominent of these being Interstate 95. I-95 briefly crosses the northwestern corner of Aberdeen and provides access to many major cities, including Baltimore, Philadelphia, Washington, D.C. and New York City. Access to Aberdeen is provided via an interchange with Maryland Route 22, which also connects directly to the Aberdeen Proving Grounds as well as to Bel Air, the county seat. U.S. Route 40 also serves the city, running parallel to I-95 from Baltimore to Wilmington and serving as an alternate route. Other state highways serving Aberdeen include Maryland Route 7, Maryland Route 132, Maryland Route 159, Maryland Route 462 and Maryland Route 715.

Rail transport

The city of Aberdeen is located on the old Philadelphia, Wilmington and Baltimore Railroad which is now operated by CSX. The new Aberdeen station is located on Amtrak's Northeast Corridor main line is served by Amtrak Northeast Regional, Maryland Area Regional Commuter (MARC) Penn Line trains and local buses. Located just south of the East Coast Greenway, the city has access to a walking and biking trail network linking the major cities along the U.S. east coast.

Local transportation

The city of Aberdeen is part of the Harford Transit LINK public bus system. Routes 1 (Green Line), 2 (Blue Line), 3 (Silver Line) and 5 (Teal Line) connect Aberdeen with Havre de Grace, Bel Air, Edgewood, Joppatowne and Perryville. Route 4 (Yellow Line) is the Aberdeen Circulator which services the different neighborhoods within the city of Aberdeen.

Notable people and groups

  • William Benjamin Baker, U.S. Congressman for Maryland's 2nd District, from 1895 to 1901
  • Linwood Clark, U.S. Congressman for Maryland's 2nd District, 1929–1931; born in Aberdeen on March 21, 1876
  • Les German, Major League Baseball pitcher, trap-shooter
  • David Grace (basketball), UCLA and Oregon State University basketball coach (USAF retired)
  • Michael D. Griffin, head administrator of NASA
  • E. J. Henderson, Minnesota Vikings football player, former Maryland Terrapin
  • Erin Henderson, Minnesota Vikings football player, former Maryland Terrapin
  • Jai Lewis, college basketball player (George Mason Patriots)
  • Gary Neal, NBA player for Washington Wizards
  • Irv Pankey, Aberdeen High School, 2-time wrestling state champion (1975–1976); Penn State offensive lineman (1976–1980); NFL: Los Angeles Rams (1980–1990) Indianapolis Colts (1991–1992)
  • Cal Ripken, Sr., longtime coach and manager in the Baltimore Orioles organization and father of Cal Ripken Jr. and Billy Ripken.
  • Billy Ripken, infielder for Baltimore Orioles and brother of Cal Ripken Jr.
  • Cal Ripken, Jr., baseball Hall of Famer and Baltimore Orioles legend, grew up in Aberdeen and was a student at Aberdeen High School
  • Richard Slutzky, "Coach Slutzky", honoree of National Wrestling Hall of Fame, longtime Aberdeen High School coach
  • Steven M. Wise, animal rights lawyer and scholar, inducted into Aberdeen High School Hall of Fame
  • Frank Zappa, musician, lived in Aberdeen for a short period, father worked at APG
  • Ballyhoo!, reggae rock band
  • Moor Mother, musician, poet, activist
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