There are 136 Freight & Cargo Shipping Services in District of Columbia, serving a population of 672,391 people in an area of 62 square miles. There is 1 Freight & Cargo Shipping Service per 4,944 people, and 1 Freight & Cargo Shipping Service per square mile.
The state of District of Columbia is ranked 39th in Freight & Cargo Shipping Services per capita, and 1st in Freight & Cargo Shipping Services per square mile.