There are 34 Monuments & Memorials in District of Columbia, serving a population of 672,391 people in an area of 62 square miles. There is 1 Monument & Memorial per 19,776 people, and 1 Monument & Memorial per 1 square miles.
The state of District of Columbia is ranked 2nd in Monuments & Memorials per capita, and 1st in Monuments & Memorials per square mile.