Roofs summary
District of Columbia, United States has a recorded population of 702,250. For roofs, the page currently shows roof sections: ~ 49, leak attention points: ~ 20, seasonal risk sites: ~ 27, repair zones: ~ 25, housing units: 286,633. The figures use the available U.S. geography, population, housing and local-structure data for this place.
Calculated from U.S. geography, population and local structure. Public messages are moderated before publication.