Sewer summary
Johnson County, Iowa has a recorded population of 160,080. For sewer, the page currently shows service connections: ~ 915, manhole zones: ~ 18, backup-risk points: ~ 6, wastewater routes: ~ 162, housing units: 65,339. 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.