There are 142 Art Galleries & Dealers in District of Columbia, serving a population of 672,391 people in an area of 62 square miles. There is 1 Art Gallery & Dealer per 4,735 people, and 1 Art Gallery & Dealer per square mile.
The state of District of Columbia is ranked 3rd in Art Galleries & Dealers per capita, and 1st in Art Galleries & Dealers per square mile.