18.9% of all households were made up of individuals and 7.2% had someone living alone who was 65 years of age or older.
The average household size was 2.81 and the average family size was 3.24. For every 100 females age 18 and over, there were 93.7 males.
In the Senate by Senators Ed Markey of Malden and Elizabeth Warren of Cambridge.
Tewksbury is one of the more Republican-leaning towns in the Commonwealth.
The population density was 1,392.3 people per square mile (537.6/km²).
The tornado was powerful enough to flatten barns and sheds, pull up large trees by their roots, and sweep away and kill a team of oxen.
Due to the sparse population, and homes located above the valley floor, no one was killed, and only a few people were injured.), or 1.61%, is water.
The town is located about 19 miles (31 km) north-northwest of Boston along I-93 and I-495 (Boston's outer beltway).
Tewksbury is bordered by the city of Lowell to the northwest, Dracut to the north (unreachable across the Merrimack), Andover to the northeast, Wilmington to the southeast, and Billerica to the southwest.