Preston is a town in Caroline County, Maryland, United States.

During the Revolutionary War it supplied grain to George Washington's troops.

It was listed on the National Register of Historic Places in 2009 along with the Jacob and Hannah Leverton House.

[3] Boating publisher Monk Farnham once resided in the town; he established a world record as the oldest person to sail solo across the Atlantic Ocean.

The primary means of travel to and from Preston is by road, and four state highways serve the town.

[4] According to the United States Census Bureau, the town has a total area of 0.57 square miles (1.48 km2), all land.

[5] The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

22.3% of all households were made up of individuals, and 10.7% had someone living alone who was 65 years of age or older.