Sewer summary
Rock Island, Illinois has a recorded population of 36,434. For sewer, the page currently shows service connections: ~ 208, manhole zones: ~ 4, backup-risk points: ~ 2, wastewater routes: ~ 4, housing units: 14,871. 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.