Newport township represents an area within the Newport township subdivision of the Marshall County (South Dakota),
which is not part of any official city, town or other place of the Newport township subdivision.
This area is populated by approximatelly 68 people and occupies the area of 37 square miles - 2 square miles represent water areas.
Racial makeup of the population is : White (98.53%), Two or More races (1.47%) and Some Other Race (0%).
The male part of the population has a median age of 44 and the “median female” is 46 years old.
Statistical data for the Newport township based on the 2010 U.S. Census