Linthicum is a census-designated place (CDP) and unincorporated community in Anne Arundel County, Maryland, United States. The population was 10,324 at the 2010 census. It is located directly north of Baltimore–Washington International Thurgood Marshall Airport (BWI).
Linthicum is located at 39°12′14″N 76°39′38″W / 39.20389°N 76.66056°W / 39.20389; -76.66056 (39.203876, −76.660506) in northern Anne Arundel County. It extends from the Patapsco River in the north (the Baltimore County line) to Maryland Route 170 (Aviation Boulevard) in the south, and from Interstate 195 in the west to Maryland Route 648 (Baltimore Annapolis Boulevard) in the east. It is bordered by the CDPs of Baltimore Highlands to the north (in Baltimore County), Brooklyn Park to the east, and Ferndale to the southeast, and by the Baltimore–Washington International Airport to the south.
The BWI Business District West Nursery area is located in Linthicum along the West Nursery Road corridor. The business district is home to numerous companies, offices, and commercial services.
Two major highways run through the CDP. The Baltimore Beltway (Interstate 695) runs northwest–southeast through Linthicum and intersects with the Baltimore–Washington Parkway (Maryland Route 295), which runs northeast-southwest. By the parkway it is 6 miles (10 km) northeast to downtown Baltimore and 32 miles (51 km) southwest to Washington, D.C.
According to the United States Census Bureau, the CDP has a total area of 5.5 square miles (14.3 km), of which 5.4 square miles (14.1 km) is land and 0.039 square miles (0.1 km), or 0.81%, is water.
As of the census of 2000, there were 7,539 people, 2,877 households, and 2,206 families residing in the CDP. The population density was 1,793.1 people per square mile (693.1/km²). There were 2,950 housing units at an average density of 701.6/sq mi (271.2/km²). The racial makeup of the CDP was 94.39% White, 1.76% African American, 0.24% Native American, 2.44% Asian, 0.15% Pacific Islander, 0.23% from other races, and 0.80% from two or more races. Hispanic or Latino of any race were 0.89% of the population.
There were 2,877 households out of which 28.3% had children under the age of 18 living with them, 64.3% were married couples living together, 8.7% had a female householder with no husband present, and 23.3% were non-families. 19.5% of all households were made up of individuals and 10.5% had someone living alone who was 65 years of age or older. The average household size was 2.61 and the average family size was 2.98.
In the CDP, the population was spread out with 21.3% under the age of 18, 6.2% from 18 to 24, 25.5% from 25 to 44, 26.4% from 45 to 64, and 20.6% who were 65 years of age or older. The median age was 43 years. For every 100 females, there were 93.0 males. For every 100 females age 18 and over, there were 91.7 males.
The median income for a household in the CDP was $61,479, and the median income for a family was $72,821. Males had a median income of $46,586 versus $35,104 for females. The per capita income for the CDP was $27,559. About 2.0% of families and 3.6% of the population were below the poverty line, including 3.1% of those under age 18 and 7.8% of those age 65 or over.